International Rodeo Practice Exam

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• Which voltage level is classified as low voltage or utilization voltage?
• Which types of voltage on transmission lines require a corona shield?
• Which of the following is NOT a factor that affects the voltage sustained by a hard hat?
• On which side of the patient will you perform ventilations and use the AED?
• How much deeper should holes for poles be set in angles, corners, or marshes than a standard hole?
• What is the most commonly used and simplest tie for connecting wires?
• Which part of the atom is positively charged?
• What is another name for the short splice used to join two ropes that won't pass through a block?
• What are the weight ratings for strain carriers?
• What is the standard percentage variation in the number of winding turns for a transformer?
• True or False: The purpose of spacers on transmission lines is to prevent conductors from wrapping together and to reduce vibration.
• What percentage of the weight do synthetic insulators such as silica or fiberglass typically weigh compared to the ones they replace?
• In which decade was the need for apprenticeship training recognized?
• Which of the following is NOT a component part of a distribution system?
• What type of aluminum is used for the housing of connectors?
• What instrument is designed to measure the strain on a guy wire?
• What maximum voltage can be found in a Thury system?
• Who developed a high voltage DC transmission system and in what year?
• How high should a light be located above the surface of a road that is less than 40 ft wide?
• An aluminum wire with the same conductivity as copper will have what percentage of the tensile strength of copper?
• Which knot is noted for having the lowest strength percentage?
• What does EPR stand for?
• In order to operate the bypass switch on a voltage regulator, the tap changer must be in which position?
• What is the maximum number of amps the Load-buster tool can interrupt at 12kV?
• True or False: The arc from a fuse blowing is extinguished by erosion of the fuse holder tube.
• Which of the following ropes is recognized for its conductivity?
• What do we call the equipment used to help guide pulling lines over structures?
• What is the purpose of zinc chromate in splicing transmission wires?
• When discussing power factor, what is the status when either lead or lag is large?
• What percentage of total resistance around a ground rod is found within a 6 to 10 foot radius?
• What is the primary reason for cleaning climbing equipment regularly?
• The most energy-efficient transformer cores are constructed with which of the following materials?
• What is the typical transmission voltage range for high-voltage power lines?
• How is the height of the crossarm related to the size of the gain cut?
• What does it indicate if a fuse blows in a circuit?
• For what purpose are large pin insulators primarily used?
• What is the typical distance limitation of lowband systems?
• What should be done to the secondary neutral in a 3 phase 4 wire and a single phase 3 wire system?
• In a current limiting fuse, the transformation of silica sand to glass occurs due to what event?
• Which method is used to determine the center of the crossarm bolt hole?
• What percentage of the weight of copper does aluminum wire maintain when equalized for conductivity?
• Where should you place your hands for compressions during CPR?
• What is typically required to obtain soft or annealed copper wire from hard drawn wire?
• Which term describes the electrical load encountered when energizing a line?
• Given the formula E = I x R, how many amps would be present with 126 volts and 10 ohms?
• What does the 'Voltampere (VA)' unit represent?
• When sagging a bundle of conductors, the tension in the bottom conductors should be approximately what percentage less than the top conductors?
• What is the standard polarity of a transformer less than 200 kva?
• What does SCR stand for in the context of voltage regulators?
• What is the main purpose of steel structures found in a substation?
• What is the breaking strength of Alumoweld guy cable #5?
• What is the formula for calculating power factor?
• All H-frame pole structures require what size bare copper ground wire?
• What is the role of a capacitor in an electrical circuit?
• True or False: Conductors can be damaged by unbalanced loading and lightning discharges.
• What term describes a scenario when a voltage regulator bypasses input voltage?
• A come-along grip relies on which action to effectively grip conductors?
• What is the ideal placement for connecting wires to insulators when using armor rods?
• Which system is used to pull the pulling line through the stringing blocks?
• What is the maximum use voltage for Class 3 gloves?
• Which step comes first in the guy installation process?
• A recloser can operate a predetermined number of times before "locking out." What is the range of these operations?
• What is the required depth for the top of the ground rod to be below the surface?
• What occurs if a power transformer is overloaded for an extended period of time without proper voltage regulation?
• What device can amplify a signal in an electrical circuit?
• In general terms, what does a distribution substation do?
• What issue can defective insulators cause in electrical lines?
• What is the voltage threshold that new hard hats are manufactured to withstand without failure?
• True or False: Arrestors contain semiconductor blocks that allow large currents to pass harmlessly to ground.
• What is the minimum number of turns required for a coil to provide satisfactory earth contact on a pole butt ground in a transmission structure?
• How far should distribution wires be laid out straight before splicing?
• What is the minimum height for secondary lines over streets or alley ways?
• True or False: A wire should be straight for a distance of 10 ft when applying a splice.
• Tanks of submersible transformers are made of what two types of metal?
• What is one of the common environmental loads an anchor must account for when securing lines?
• How many amps can the Load-buster tool safely interrupt at 23kV?
• True or False: Porcelain insulators are usually one piece for voltages below 23,000 v and two pieces for voltages from 23,000 to 46,000 volts.
• What is the maximum resistance allowed for a ground rod, according to standard practices?
• True or False: Rubber gloves can be repaired and used if they successfully pass a re-test.
• What is the maximum operational voltage for Class "0" gloves?
• What does the "TH" slot on a gaff gauge represent?
• How many classes of rubber goods are there, according to safety classifications?
• What is the primary benefit of dipping insulators in a glazing solution and firing them?
• How do you determine the pull required to lift a weight with a block and tackle?
• True or False: Distribution transformers should be installed as far away as possible from the load it is feeding.
• If the conductors are slack, what type of connections can be used?
• In a P-type semiconductor, there is a _____ number of electrons.
• True or False: To calculate circular mils, one should multiply the diameter of wire in thousands of an inch by itself.
• What is an important characteristic of line conductors in relation to Aeolian vibrations?
• At what frequency is A/C power generated in the United States and Canada?
• What is the minimum breaking strength of Alumoweld guy cable #8?
• On a Lineman tool belt, how many inches of loop space should be avoided on either side of the center in the back?
• What is a primary use for three-phase padmount transformers?
• What is the polarity of secondary terminals on a transformer ordered from X3 to X1 from left to right?
• Vacuum reclosers require maintenance every how many years?
• Which component is essential for maintaining safe pedestrian traffic around an anchor assembly?
• In the development of the Unisag watch, what aspect was emphasized?
• True or False: When free electrons in a conductor flow in one direction, it is referred to as electric current.
• What device is used to change AC to DC?
• True or False: All gaseous conductive lamps exhibit a positive-resistance characteristic.
• What is the main function of hand lines in rope applications?
• In a nuclear reactor, the action of atoms splitting is known as what?
• What factors must be considered when determining sag section lengths?
• What is the approximate weight of the head of a hydraulic operated tool?
• What is the appropriate length of the prod used in pole testing?
• What should be done before lowering a victim to the ground?
• What is the term for the amount of light that will illuminate a surface 1 foot from the source?
• What is the optimum insulating SF6 gas pressure?
• On which side are poles generally marked by the pole supplier?
• What are the succeeding cuts for crossarm gains spaced at?
• What distinguishes a 3 wire distribution circuit from a 4 wire distribution circuit?
• Open cutouts are designed for use on distribution circuits up to how many amps?
• What role does 'real power' play in an electrical circuit?
• How frequently should underground cable circuits be walked for inspection by a lineman?
• For secondary power mains, what is the usual limit for voltage drop?
• What are the three types of roofs that can be applied to poles?
• What is an electronic fuse primarily designed to prevent?
• What length of mast arm is typically used in alleys?
• What is the recommended slope for installing duct runs between manholes?
• What devices do converter stations use to convert AC to DC and vice versa?
• What distinguishes a self-protected transformer from a conventional transformer?
• The larger the value of current interrupted, the more what is consumed?
• Which measurement device is commonly used to assess vibrations in infrastructure?
• What is a form of radiant energy?
• How often should electronic reclosers be inspected?
• What is the name of the guy wire that runs from one side of a crossarm to the next pole?
• According to electrical standards, the power factor calculation involves which of the following variables?
• What is utilized to auto sense predetermined electrical faults in circuit breakers?
• What subatomic particle in an atom carries a negative charge?
• Why is it advantageous to increase voltage in electrical systems?
• How many horsepower is approximately equal to 1 KW?
• When using armor rods, where should the conductor attach to the insulator?
• What is the angle used when drilling a hole into a pole for decay inspection?
• By changing a distribution system from delta to wye, what percentage increase in load carrying capacity is achieved?
• How is the operation of circuit switchers typically initiated?
• What primarily causes a fuse link to melt or blow?
• What term is used for approved grips for guy wire?
• True or False: The primary side of a transformer has low electric pressure and large current.
• To calculate KVA, which of the following formulas is correct?
• How long should new treated wood poles resist decay, depending on soil conditions?
• LED is the abbreviation for which term?
• How many operations should electronic reclosers undergo before they need inspection?
• Larger pin insulators are threaded to fit what size inch pins?
• What type of substation is located in the middle of a load center?
• Which type of semiconductor is commonly used as a current rectifier?
• True or False: Cold flow refers to the load encountered when initially energizing a line.
• What is the primary advantage of hard drawn copper for overhead line purposes?
• What is another name for a top groove insulator?
• What term defines the cable used to assist in the installation of overhead conductors?
• In what year was DC transmission initiated in Germany?
• What is the safety factor recommended for polypropylene rope?
• Atoms are made up of which smaller particles?
• What type of guy is defined by having a horizontal strut above the sidewalk?
• What unit measures luminous flux?
• What is the primary function of converter stations in electrical systems?
• What is the breaking strength of 5/16 utility grade guy wire?
• Which component is considered an intentional weak link in a circuit?
• What minimum standard should safety helmets meet according to the regulatory requirements?
• What is the required safety factor for DC cable insulation thickness?
• An implosive compression connector splice typically achieves what percentage of the conductor's breaking strength?
• What is the pulling rope often referred to as when installing new conductors?
• What does CPR stand for in an electrical safety context?
• What is a wire tong used for?
• What factors should be inspected before climbing a wood pole?
• According to LCHB specifications, how far apart should staples on pole butt grounds be placed?
• What process is called commutation in electrical systems?
• Where is the operating handle for a tap changer on a transformer typically located?
• Which factor is most crucial when inspecting a wood pole for safe climbing?
• Loose sandy gravel-type soil weighs approximately how many pounds per square foot?
• How is a P-type semiconductor also referred to?
• How can fiber-optic systems benefit companies?
• True or False: DC circuits have no lead or lag in current versus voltage.
• What is the proper fit requirement for climbing hooks regarding the leg iron?
• What term describes the phenomenon where an electric arc spreads further apart until it breaks?
• What is the maximum duration to check for breathing after opening the airway?
• What is the recommended size of tie wire for conductors that are #4 and smaller?
• What should lines crossing railroads be reinforced with?
• When using the plane test, within how many inches should the gaff hold?
• True or False: Arm guys are used when an equal number of large size conductors (larger than 4/0) are dead-ended on crossarms.
• A pad mounted transformer would typically serve how many customers?
• What is the purpose of filling splices with a protective material?
• In knot tying, what is the term for the portion of the rope that is looped?
• Soft copper has a yield point that is less than what percentage of medium-hard copper?
• How many inches of clearance should be maintained between D-rings and tool pockets?
• What type of metal is preferred for the construction of durable transformer tanks?
• What substance is used to fill the outer splice to prevent oxidation?
• What is the recommended approach to ensure safety during electrical inspections?
• What is the role of silica sand in a current limiting fuse?
• What is represented by the term 'Power (P)' in electrical systems?
• What is the typical rule for determining the depth to set straight line poles in soil?
• What is the primary purpose of a lightning arrestor?
• True or False: The simplicity of a closed series circuit allows for straightforward electrical flow.
• At what voltage level are voltages classified as experimental voltages?
• What distinguishes a two bushing transformer from a CSP transformer?
• Where is the first crossarm gain cut from the top of the pole?
• Feeders generally operate within which range of voltage?
• What is the usual generation voltage of a power plant?
• What is one of the key considerations in managing the effects of Aeolian vibration?
• Which law determines that the flow of induced current will oppose the action causing the voltage?
• Why is it necessary to insulate a guy?
• Stringing blocks for pulling in wire may also be called what?
• Which device is used to stabilize a pole other than a guy?
• How often should distribution facilities be inspected?
• What type of metal is used for the semiconductor blocks in a lightning arrestor?
• Which process is known to reduce the tensile strength of wires?
• When inside the equi-potential zone created with a ground bracket, an employee is safe from what types of potential?
• What term refers to the structure that accommodates both the weight of conductors and environmental factors?
• How long should you assess a patient for normal breathing during your initial assessment?
• If one transformer in a closed delta bank is removed, what percentage of the original capacity can the remaining two transformers handle?
• How many weeks before cutting should trees and brush receive a basil spray treatment to prevent regrowth?
• When should the luminaire refractor be washed and lamp replaced?
• Why are disconnect switches installed in series with circuit breakers?
• What is the voltage range typically generated by subtransmission substations?
• What effect do rescue breaths have on throat tissue during an emergency?
• What do lightning arrestors in a substation primarily do?
• When two ropes are joined together, which splice is primarily utilized?
• If a power transformer does not have auto tap changing underload equipment, what is usually necessary to install?
• What is the approximate percentage of oxygen in the air we breathe?
• What happens to a distribution pole before it fails, after deflecting?
• What voltage classification applies to 69,000 to 230,000 volts?
• What type of rope is considered an insulator when clean and dry?
• What additional measurement is taken for proper sizing of a D-ring for a belt?
• True or False: Large single phase motors have a larger drain on voltage at startup compared to three phase motors.
• Which of the following is NOT one of the three most important factors to consider when choosing a conductor?
• True or False: Scratches on ground or neutral conductors can cause problems if the strength of the wire is not impaired.
• Which of the following factors can increase the risk of vibration-related issues in line conductors?
• What type of light fixture height corresponds to roads more than 40 ft wide?
• What factor mainly influences the wire size in AWG measurements?
• What components transmit communication signals through transmission lines?
• Over how many miles do DC transmission circuits become economical for overhead lines?
• What is the correct compression-to-ventilation ratio for CPR?
• What does the acronym MOV stand for in electrical terminology?
• When using the stop watch method to check the sag of a conductor, how far from the pole should a rope be placed?
• What is the primary function of a running line in wire installation?
• What is the average power factor often assumed in calculations?
• What is the unit of illumination produced on a surface from a point source 1 foot away?
• When the AED arrives, where should it be placed?
• What safety hazard does an equi-potential ground bracket help mitigate?
• What are the three tree growth forms?
• How many wires do DC circuits usually consist of?
• Direct buried transformer tanks are commonly constructed of which materials?
• In field testing the insulation properties of an insulated boom for "Bare-Hand Methods," how long should the boom remain in contact with the energized conductor?
• True or False: A gain is a flat side of a pole.
• What percentage strength does a short splice hold compared to a straight rope?
• What is the function of a Zener diode in an electric circuit?
• What characteristic describes a good insulator?
• What is the allowed tolerance for sag per 100ft of span length?
• What does XLPE stand for?
• What is the largest three-phase padmount transformer in kilovolt-amps (KVA) size?
• What is the minimum bending radius in relation to the overall diameter for reverse curves in lead covered cables?
• What is the role of protective equipment in a distribution system?
• What OSHA standard governs electrical line work?
• Which type of fire extinguisher is recommended for extinguishing pole fires?
• Who is credited with developing the Unisag watch?
• A conductor should never be payed out from which type of reel?
• What effect does changing the rotation of a three phase bank have on connected equipment?
• To test a pole, how high should you hammer from ground level?
• What is the function of side guys in electrical line systems?
• Since what year has New York not allowed overhead lines?
• What term is used to refer to distribution circuits greater than 600 volts up to 69,000 volts?
• To produce full brilliance, the filament in an incandescent lamp needs to be heated to approximately what temperature?
• What is the gaff angle recommended by the manufacturer?
• What type of component is used to grip the aluminum sleeve in compression sleeves for ACSR conductors?
• What type of splice is used for a permanent connection at the end of a rope?
• What is the maximum capacity of wind turbines currently operating in the US?
• What development necessitated the long-distance transmission of electrical energy?
• What is the component on a slack block that allows catching off the rope before attachment?
• Why can more power be drawn from a transformer during the winter?
• In conductors greater than #4, what size tie wire should be used?
• In terms of electrical safety, why is grounding important for guys?
• Which property determines the mechanical strength of a conductor?
• What unit is used to measure real and reactive power?
• At what temperature should ropes be kept away from to prevent damage?
• How many inches is equivalent to 1 circular mil?
• In the context of electrical installations, what does a 'foul' refer to?
• What material is primarily used for the housing of internally fired connectors?
• Upon finding an unresponsive co-worker, after tapping their shoulder, what should you do next?
• Which ground measurement is crucial for electrical safety and performance?
• What should be applied at all times when using an automatic splice to prevent conductor dropout?
• What are knots primarily composed of in their structure?
• What controls the emission of light from a streetlight?
• When installing duct runs, the slope should be no less than how many inches per 100 feet?
• Before installing protective grounds, what tool is essential for testing the absence of voltage?
• What mechanism do overload indicators on CSPs use to indicate winding temperature?
• What term describes a source of light?
• What is one advantage of manufactured anchors compared to traditional anchors such as the "dead man"?
• Radiation is measured in which unit?
• How should new hard hats be treated to ensure they meet electrical safety standards?
• What should be done with ropes in high-temperature environments?
• How does the number of free electrons affect the properties of an insulator?
• A ground rod that penetrates perpetually moist earth will have what kind of resistance?
• How many lumens are equivalent to one candlepower?
• What is the third kind of copper used in industry alongside hard-drawn and medium-drawn copper?
• What is the process called when silicon is made conductive by adding other materials?
• What type of gloves is rated for 36,000 a/c and 70,000 d/c?
• How many different insulink splice colors are there mentioned?
• What are the locations of protective devices known as?
• When connecting conductors, which should be placed over the other, aluminum or copper?
• Which factor affects the performance and efficiency of an electric lamp?
• What does "doping" refer to in semiconductor manufacturing?
• What year did the Occupational Safety and Health Act require linemen to wear safety hats?
• How long must a coil be to ensure proper earth contact in a pole butt ground?
• What is the term for the phenomenon where alternating current flows more densely at the outer surface of a conductor?
• Which of the following is NOT a type of trimming technique?
• What is the minimum length for a conspicuous marker for an anchor exposed to pedestrian traffic?
• What is the estimated cost percentage of structure assembly for steel H-frame structures compared to standard rigid-latticework steel towers?
• For what purpose are Bull ropes specifically used?
• Before installing grounds on a conductor, what should be done first?
• How far should ground rods be driven from the pole?
• What happens when the current leads the voltage?
• What is the recommended frequency for inspecting climbing tools?
• Where were the first electric arc lamps installed?
• How often must the system common neutral be connected to a deep earth ground rod?
• At what diameter are through bolts measuring 5/8" or 10/16" typically used?
• How far in feet should a splice be made from the suspension end point on a transmission line?
• What is another name for the "running" splice used in rope splicing?
• Should a no load tap changer on a transformer be adjusted while it is energized to change voltage?
• When are bolted connections permitted in electrical work?
• When using conductors, how many word names are acceptable for code names?
• Which of the following statements about potential transformers is true?
• What is the usual capacity in megawatts (MW) of a combustion turbine generating station?
• What is the recommended number of crew members to pike a 50 ft pole?
• How many times can guy grip deadends be removed and reapplied after installation?
• How should all 90-degree corners in line construction be supported?
• What device is used to measure the total amount of electric energy consumed over time?
• True or False: A generator generates electricity by creating electrical pressure that causes electricity to flow.
• True or False: A potential transformer is used in situations where the load is expected to expand.
• Which of the following materials is commonly used for high voltage insulation?
• How frequently should switchgear for underground electric distribution circuits be inspected?
• What percentage of oxygen do we exhale?
• What type of contractors might benefit from apprenticeship training?
• How long does it take to pump a 100ft telescoping steel pole full of transit mix concrete to full height?
• What is the key characteristic of guy grip deadends in terms of application?
• What is the formula for calculating power in an electrical circuit?
• What is the voltage requirement for an electric rapid-transit car motor to operate?
• What mechanism do some high voltage circuit breakers use to operate?
• How much feet of copper should be spiraled at the butt of the pole for H-frame structures?
• Transmission voltages are classified as voltages over what level?
• To eliminate the pulsating output voltage in a circuit, which component should be added?
• What does the term 'Power Factor (p.f.)' represent?
• What is the smallest size wire typically used for a pole butt ground?
• What is the unit of reactive power in an electric circuit?
• What effect does thermal conditions have on transmission lines?
• Which of the following is NOT a unit used in measuring electric power?
• Which of the following is NOT one of the five steps to guy installation?
• What device is used to direct, control, or modify light?
• Which conductor presents cold flow problems when not properly connected?
• What percentage of bolts must be in place before erecting the next section of a tower?
• What is the recommended distance to lay out conductors in each direction before splicing?
• How does Aeolian vibration typically occur?
• What is the minimum depth recommended for setting poles?
• True or False: Grease on conductors can cause the generation of corona.
• During CPR, how effective are chest compressions in circulating blood compared to the normal heart function?
• True or False: Washing insulators should start from the bottom and work up.
• What factor affects the capacity of a condenser to hold a charge?
• What are two methods used to switch multiple lighting circuits from different transformers?
• How often should leather parts of climbing equipment be cleaned?
• In what context are dry-chemical fire extinguishers primarily used?
• Which type of splice is stronger than a short splice but weaker than an eye splice?
• What should you ask a victim who appears to be choking?
• What type of anchor is the oldest used for counteracting unbalanced forces in line structures?
• What is the glass-like substance produced when the heat from an arc melts silica sand in a current limiting fuse?
• Which circuit type is typically characterized by three-phase power systems?
• In which decade was the need for apprenticeship training recognized?
• What should be used to treat wood poles for environmental advantages?
• What types of hazards do protective grounds primarily protect line workers from?
• What type of switch is a high voltage switch that operates under oil?
• What type of voltage typically requires a two-piece porcelain insulator?
• True or False: Single phase motor startup causes greater flicker effects than three phase motors.
• What is the function of a circuit breaker in electrical systems?
• What is the standard polarity of a 7200 volt transformer that is less than 200 KVA?
• What type of connections must be used for tensioned transmission and distribution line conductors?
• True or False: Electrical continuity must be maintained when working on a grounded guy assembly.
• In what application would you most likely find direct buried transformers?
• If a voltmeter is rated for a possible voltage involved in the setup, what does this indicate?
• What term is used to describe large over-voltages that develop suddenly on electric circuits?
• What is the principal cooling agent used in most transformer tanks?
• What type of insulation is typically most effective against environmental factors?
• What is the likely consequence of shell rot in a wood pole?
• What fraction of the total weight of conductor is required for a three-phase transmission system compared to a single or two-phase system?
• How long should you perform rescue breaths during CPR?
• What tool can enhance the connection in a joint between two conductors?
• What role does tension play in automatic splicing?
• Which materials are generally used for wire insulation?
• What is an atom called that has no free electrons?
• Steel wire has what percentage of conductivity in comparison to copper?
• What should be the focus during the initial patient assessment?
• In which type of devices does current lag voltage?
• What type of vibration do line conductors experience?
• Which of the following factors is considered when choosing a conductor?
• True or False: Voltages of 1 million volts or more are classified as ultra-high voltages.
• What is the maximum allowed span length for secondary lines without a lift pole?
• How often should climbing tools be cleaned according to safety practices?
• Climbing hooks can be made in adjustable lengths from what minimum to maximum size?
• Who designed a transmission system using copper rods insulated with jute?
• What is the recommended safety factor for manila rope?
• What is a common method for mitigating electrical faults in a power distribution system?
• What happens to the capacity of a condenser as the distance between the plates decreases?
• When using direct buried transformers, how many customers are typically connected to a single transformer?
• True or False: Steel poles can be used in substations to eliminate the need for guys and anchors.
• True or False: Capacitors and transformers operate in nearly identical ways.
• Which materials are typically used to cover lines with less than 5000 volts?
• Splices on a distribution conductor should be made at least how many inches from the nearest tie wire or deadend clamp?
• What is a typical condition that limits the capacity of a transmission line?
• What is the maximum voltage rating for enclosed cutouts in electrical circuits?
• What is the resistance of cadmium-sulfide photo cells when dark?
• What is the definition of 'Power' in a circuit?
• What is the main purpose of using soft drawn tie wire?
• What is the maximum total current flow from a generating plant?
• What is the impact insulative value of early hard hats before advancements were made?
• True or False: Manholes are generally made of fiberglass.
• What standard depth measurement is used for setting poles on a slope?
• What is the size hole needed for a standard crossarm through bolt?
• How does aluminum conductivity compare to copper?
• Hydraulic oil circuit breakers should be inspected after how many operations?
• Which two materials are commonly used in the manufacturing of solid state devices?
• What does the term 'energy' refer to in electrical terms?
• What is the holding strength percentage of a bowline or clove hitch knot?
• How many jog-briefings shall be held each day according to safety guidelines?
• When performing CPR, what is an important aspect of your technique?
• What does ACSR stand for in the context of electrical conductors?
• What issue does using a popsicle eliminate when connecting a stranded aluminum conductor in a copper clamp?
• What type of conductor grip is utilized to pull conductors through blocks or travelers?
• What happens to the fiber inside a cutout barrel each time a cutout fails?
• Which unit measures real power in electrical systems?
• What distance should the top of your climbers be set in relation to the knee joint?
• What is the potential difference between two points in a circuit commonly known as?
• What auxiliary device is used with vapor lamps to provide proper operating characteristics?
• When excess current passes through a fuse link, what is the likely outcome?
• Good grounds are essential for the proper operation of which device?
• What is the maximum potential holding power of properly installed rock anchors?
• What is the maximum safe operating temperature for insulating materials like cotton and silk?
• At what voltage are hot line tools factory tested per foot?
• Which class of rubber is primarily used for utility line applications?
• What does roofing a pole refer to in electrical practice?
• What is the process called when conductors are installed on towers without touching ground or other conductors?
• What is the purpose of lightning arrestors and fuses in an electrical system?
• In electrical terms, how does current behave in relation to voltage?
• What does "CSP" stand for in electrical terms?
• What is the minimum ampacity for underground services installed with 2/0 aluminum conductor for new homes?
• Where is the breaker in a substation installed?
• At what fluid pressure do hydraulic tools typically operate?
• What engineering solution can mitigate the effects of Aeolian vibrations on conductors?
• Which of the following is NOT a typical knot component?
• What is a guy at the end of a pole line that counterbalances the pull of the conductors called?
• What is the primary cause of voltage regulation issues in substations?
• What is the maximum allowable voltage drop for secondary lighting main circuits?
• What is the maximum length of a sag section limited by?
• How often are wooden transmission poles typically scheduled for inspection?
• Which of the following accurately reflects the weight of a typical hydraulic tool head?
• Which two conditions should be avoided when using rope?
• True or False: Motors operating off of three-phase are generally more expensive and less satisfactory than those operating off of single or two-phase.
• What is the simplest arrangement of a circuit called?
• What material is usually used for line conductors that experience Aeolian vibration?
• What is the tensile strength reduction range for soft drawn wires compared to hard drawn copper?
• By how much can cable lube reduce friction between cable and duct walls?
• What is the immediate next step after administering an AED shock?
• What is the required minimum ground clearance for secondary services restricted to pedestrian traffic?
• A Thury system connects generators in what configuration to transmit a certain amount of amps?
• What type of equipment operates on the principle of power factor correction?
• True or False: Disconnect switches or breaker isolation switches are designed to handle fault currents?
• When voltage is applied to a conductor, what do the free electrons do?
• What is the function of a metallic thermostat in overload indicators?
• What is the term used to describe the difference in voltage between no load and full load on an electrical system?
• If a pole has a diameter of 10 inches, what should be the diameter of the hole for proper tamping?
• What is the frequency range for Aeolian vibrations?
• How long can the human brain survive without oxygenated blood?
• Which of the following is NOT a potential consequence of Aeolian vibrations?
• A 120 volt, 60 watt incandescent bulb draws how many amps?
• According to the Coyne First Aid booklet, what should you do during chest compressions?
• Compared with a copper wire, how much must aluminum wire increase in size to have the same conductivity?
• What weight of hammer is recommended for testing a pole?
• What are the three loading districts associated with wire?
• When the voltage regulator is in the neutral position, how does the input voltage relate to the output voltage?
• Which type of tree growth form typically has a wide spread?
• To produce full brilliance in an incandescent lamp, what temperature must the tungsten filament reach?
• What term describes the systems that originate in distribution substations and distribute electricity to customers?
• What should be performed after providing two rescue breaths?
• Before giving rescue breaths, what is the first action you take in an emergency?
• What provides overcurrent protection for the secondary leads in a CSP transformer?
• Which property primarily characterizes a diode's function?
• In what year was the first hard hat with impact resistance and electrical insulation introduced to linemen?
• What is the allowable voltage variation for a residence with a 120 volt secondary service?
• Which of the following best describes the role of a neutral conductor in electrical systems?
• What is the recommended depth for cutting gains?
• Voltages of 69,000 to 230,000 are classified as what type of voltages?
• What is the maximum safe operating temperature in degrees Fahrenheit for insulating materials?
• The rated lamp life is defined as the time required for what proportion of the lamps to fail?
• Which of the following is NOT a type of tree trimming?
• In electrical terminology, voltage may also be referred to as electrical what?
• In a transformer, the flux in the core cuts both the primary and which other coils?
• How can two single phase transformers be connected to increase capacity?
• The tensile strength of aluminum is approximately what fraction of hard-drawn copper?
• What is the role of high voltage fuses in electrical systems?
• Which type of ropes are primarily used for heavy lifting and lowering?
• During CPR, how many compressions should be given to every two breaths?
• A solid material fuse is typically filled with which substance?
• How is the operation of some circuit breakers initiated?
• How many crew members are needed to pike a 40 ft pole?
• A head guy runs from the top of a pole to a point below which part of the adjacent pole?
• Which knot is considered the simplest and forms part of many other knots?
• What color is associated with #10 insulink splice?
• How frequently should streetlights be inspected?
• What does "CLF" stand for in electrical engineering?
• What does SDC stand for in electrical terminology?
• What type of installations typically use vertical racks for overhead systems?
• What kind of resistance does a ground rod in dry soil exhibit?
• Positive and negative charges of electricity do what to each other?
• In the context of transformers, what is a common issue when positioned incorrectly?
• What can cause arcing and radio interference on distribution lines?
• To match the conductivity of copper, how much larger must an aluminum wire be in cross-section?
• What is the minimum trip current on a recloser typically rated at?
• What is an advantage of a Wye primary system over a Delta primary system?
• What is a key consideration when installing conductors to prevent interference with traffic?
• Which of the following is necessary for maintaining the safety of electrical installations?
• What engineering field is most concerned with the vibrations of line conductors?
• How far should splices be installed from a tie wire or armor rod?
• Which of these is a characteristic of a heavy loading district for wires?
• How much does a prestressed-concrete 50 ft distribution pole deflect before cracks appear?
• Which type of line is best suited for raising and lowering lightweight materials?
• Which component is NOT typically found in a distribution system?
• Amorphous metal cores are how much more efficient than laminated steel cores?
• What is the term for the total opposition to the flow of current in a transformer?
• What is the typical size range for compression tool connectors used for splicing stranded conductors in aluminum and ACSR?
• What is the purpose of a span in electrical installations?
• What is the significance of knots found in a wood pole during inspection?
• What piece of equipment is specifically responsible for converting AC to DC?
• When does current lead voltage in devices?
• What type of equipment is used to provide high-frequency voltages for voice communication on high voltage transmission circuits?
• In the context of vibration management, why is environmental analysis important?
• In terms of AWG wire size, what does a larger number indicate?
• What is a throw line used for in rope work?
• The power factor typically falls within which range?
• What type of component is a combining device made of an ammeter and a voltmeter?
• Which factor is essential for maintaining the safety of hard hats in field conditions?
• Which of the following is NOT a treatment for wood poles?
• After performing the head tilt-chin lift and still finding no normal breathing, what should you do next?
• Voltage regulation is defined as the difference in voltage between periods of no load and periods of what type of load?
• What term describes an electronic device that protects service entrance and provides coordination?
• A single phase transformer consists of a primary winding and a secondary winding wound on what type of core?
• What type of fuses are used to protect electrical systems from faults?
• Which factors should be considered when selecting guy size?
• Most sub-transmission circuits operating in the voltage range of 34.5 - 115kv are constructed on which type of wood poles?
• True or False: The lumen output of an electric lamp decreases with use.
• What is the basis understanding of electricity known as?
• What is the primary impact of Aeolian vibration on line conductors?
• When alternating voltage and current rise and fall at the same time, what is the power factor?
• Which type of voltages are multiples of the base frequency?
• What term describes the notch cut into a pole for mounting the crossarm?
• If there is no normal breathing detected, what is your next action step?
• What is the tensile strength of aluminum in lb/in2?
• What is the standard process for checking a wooden pole for decay?
• What is the commonly acceptable explanation for potential transformers?
• When inspecting hydraulic oil circuit breakers, what is the maximum number of years between inspections?
• Core losses of distribution transformers can be significantly reduced by using which type of core?
• Where are overhead secondary mains typically installed?
• What is a common practice when installing a new transformer?
• What is the assured demand for each customer in KW?
• What is the approximate percentage reduction in core losses for distribution transformers built with an amorphous core compared to those with a laminated steel core?
• What does the abbreviation IPCEA stand for?
• Which of the following treatments softens the wood, making it easier to climb?
• What is one potential problem caused by a broken tie wire on an insulator?
• Which components can also be used to convert AC to DC aside from Commutators?
• What is the consequence of failing to insulate a guy properly?
• In an N-type semiconductor, there is an _____ number of electrons.
• How many guys are typically required for dead ends and corners?
• What is the purpose of a capacitor bank in a substation?