Written Exam for NC II Electrical Installation and Maintenance UPDATED Exam Questions and CORRECT Answers
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Course
NC II Electrical Installation and Maintenance
Institution
NC II Electrical Installation And Maintenance
Written Exam for NC II Electrical
Installation and Maintenance UPDATED
Exam Questions and CORRECT Answers
These are sheet metal troughs with hinged or removable covers for housing and protecting
electrical wires and cables and in which conductors are laid in place these are installed. They
...
Written Exam for NC II Electrical
Installation and Maintenance UPDATED
Exam Questions and CORRECT Answers
These are sheet metal troughs with hinged or removable covers for housing and protecting
electrical wires and cables and in which conductors are laid in place these are installed. They
are called? - CORRECT ANSWER- ✔✔Wire ways
Most of the required electrical parameters apply to an incandescent bulb are - CORRECT
ANSWER- ✔✔Rated power and Rated Voltage
When tightening a terminal screw connection with the splice wire, the end of the splice wire
should pass around the screw in the same direction as the screw is turned, so that -
CORRECT ANSWER- ✔✔The wire will not turn off
A part providing an appropriate degree protection of equipment against contains external
influences and defined degree of protection against contacts with live parts any direction. -
CORRECT ANSWER- ✔✔Panel Board
Why is it necessary to use torque wrench in tightening bolted joints of copper bus bars inside
bus ducts and bus ways? - CORRECT ANSWER- ✔✔To reduce the resistance in the joint
Before adding to or altering an installation, you must ensure that______________? -
CORRECT ANSWER- ✔✔Safety precautions are followed
The size of circuit breaker to be used in 40 Ampere motor full load current is? - CORRECT
ANSWER- ✔✔Less than 50 AT
The selection requirements for circuit breaker are? - CORRECT ANSWER- ✔✔Ampacity,
Rated power and Rated voltage
The material used in long length bus bar joints to give allowance for thermal expansion
is________? - CORRECT ANSWER- ✔✔Annealed soft drawn copper
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