Electrician Practice Tests

For a small form building consisting of 2 wire branch circuits, What is the minimum ampacity capacity of service equipment is required?

One pole circuit breaker protects one 120 volt branch circuit.

If the motor overload is increased to much, the motor will ………………..

Proximity effect is due to the current flowing in the …………..

In a Transmission system the reactive power can be injected by using ……………………..

Regulating transformers are used in power system to control:

The speed of the ordinary AC Motor can be controlled by rheostats.

A 3 HP motor operating at 104 F has a service factor of 1.2. What is the maximum power that it can continuously without any damage?

Which of the following motors has lowest starting current?

Repulsion-Start Induction Run Motors can run on only single phase alternating current.

Which of the following is the equation used to calculate the voltage drop in a resistor according to Kirchhoff’s voltage law?

How many number of entrances should be provided to give access from working space about electrical equipment?

The minimum size copper equipment grounding conductor for a 100 amperes circuit is …………….

The overhead conductors between last pole of power company and building structure used for electrical service are termed as …………..

The pendant conductors longer than ……….. in length to be twisted together.