Electrical Engineering > EXAM > LINEMAN APPRENTICE TEST 2025 STUDY QUESTIONS WITH CORRECT ANSWERS | RATED A+ (All)

LINEMAN APPRENTICE TEST 2025 STUDY QUESTIONS WITH CORRECT ANSWERS | RATED A+

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LINEMAN APPRENTICE TEST 2025 STUDY QUESTIONS WITH CORRECT ANSWERS | RATED A+ The minimum ground clearance on a secondary service for voltages ranging from 0 to 750 volts in areas restricted to pede ... strian traffic is _ feet. - Answer>>> 12 feet The cost of structure assembly of steel H-frame structures is estimated to be approximately percent of the standard rigid-lattice work steel tower. (25,30,40,50) - Answer>>> 50 Underground services to new homes are usually installed with 2/0 aluminum conductor or larger to provide a service capable of delivering how many amps? - Answer>>> 200 amps Why is it necessary to insulate a guy? - Answer>>> When guys are exposed to voltages over 300 volts or when guys are on poles with unprotected conductors over 300 volts and the guy is not grounded. An insulator made from synthetic material such as silica or fiberglass weighs what percentage of the insulators they replace? - Answer>>> 5-10% The semiconductor blocks in a lightening arrestor are made using what type of material? - Answer>>> Zinc Oxide Material After driving a ground rod you should check the resistance with an ohm meter. If the resistance is not below ohms, one should be added on top or another rod should be driven beside the existing one. - Answer>>> 25 ohms or less In the United States & Canada A/C power is generated at Hz (hertz or frequency) - Answer>>> 60 Hz Protective grounds protect the line worker from what types of hazards? - Answer>>> Static charges, accidental energizing, induced voltage. System voltages of volts or less are classified as low voltages or utilization voltages. - Answer>>> 600 volts During CPR, do chest compressions circulate the same amount of blood as the heart does normally? - Answer>>> Under best conditions, only 1/3 of normal flow is accomplished. A ft mast arm is used in alleys, a ft mast arm is used in residential areas w/ streets less than 40 ft wide, a ft is used where streets are more than 40 ft wide and in industrial/ commercial areas? - Answer>>> 3 ft alleys 6 ft residential <40 ft 12 ft industrial >40 ft What does MOV stand for? - Answer>>> Metal Oxide Varistor [Show More]

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