All the above Question 14 5 out of 5 points Correct The allowable voltage drop of most manufacturers is 15% below the nameplate rating. To make the technician understand the loads in the panel. Provide protection for the panel and supply conductor and will give the technician a means of disconnect for the main lugs in the panel. Selected Answer: Correct True Answers: Correct True False Question 13 5 out of 5 points Correct What is the purpose of a main breaker Selected Answer: Correcta. Question 12 5 out of 5 points Correct To calculate the voltage drop in a conductor, you must know the number of feet of wire that is used.
Answers: A switch that is used to break the whole unit except the condensing fan motor Correct Is a switch used to break the power supply to the load. #14 TW or #14 THWN Question 10 5 out of 5 points Correct When pulling a defective fuse from a distribution panel you should use channel lock pliers? Selected Answer: Correct False Answers: True Correct False Question 11 5 out of 5 points Correct What is a disconnect switch? Selected Answer: Correct Is a switch used to break the power supply to the load. all the above Question 9 5 out of 5 points Correct What size wire would be used for a fan motor if the FLA of the motor is 14 amps? Selected Answer: Correctd. Any of the above would work Question 8 5 out of 5 points Correct Which of the following is a disadvantage of using aluminum wire? Selected Answer: Correctd.
#4 TW, #4 TWHN, #6 THHN Answers: Correcta. Question 7 5 out of 5 points Correct What size wire would be required for the power supply of the following package unit? Compressor requiring 45 amps Indoor Fan Motor 6 amps Condensing Fan Motor 6 amps? Selected Answer: Correcta. A plastic box approved by the NEC to be mounted on the electronics for the unit being serviced.
A device that can be used as a switch and also provide protection for the circuit d. A box with thermostat wires controlling the thermostat Correctc. A device that is large and bolted to the side of the primary side of the main panel in the house.
A device that can be used as a switch and also provide protection for the circuit Answers: a. Question 4 5 out of 5 points Correct How would you determine the voltage drop in a circuit? Selected Answer: Correct E=IR Answers: E=RI R=EI Correct E=IR R=1E Question 5 5 out of 5 points Correct What is the resistance of a #4 wire if the circuit is 500 feet long? Selected Answer: Correct 1.26 ohms Answers: 8.1 ohms 1.62 ohms Correct 1.26 ohms 2.16 volts Question 6 5 out of 5 points Correct What is a circuit breaker? Selected Answer: Correctc. Correct The National Electric Code(NEC), Local codes, state codes. the Aluminum and Copper system sizing manual. Answers: Consumers report guide The NTB safety board manual. Selected Answer: Correct True Answers: Correct True False Question 3 5 out of 5 points Correct Which of the following guides should be used to determine the sizing and installation of an electric circuit? Selected Answer: Correct The National Electric Code(NEC), Local codes, state codes. Selected Answer: Correct True Answers: Correct True False Question 2 5 out of 5 points Correct Aluminum is a good conductor of electricity, however, it has a tendency to corrode. Question 1 5 out of 5 points Correct The type of insulation surrounding the conductor usually determines its application and the amperage it can be used for.
0 kommentar(er)
