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All the question's and answer's in this Quiz are found in Tom Henry's book, "
Journeyman Electrician Exam Question's and Answer's
".
1.
Enclosed knife switches that require the switch to be open before the housing door can be opened, are called _______ switches?
[ ] a. release
[ ] b. air-break
[ ] c. safety
[ ] d. service
2.
Brass is an alloy of _______?
[ ] a. zinc and copper
[ ] b. lead and copper
[ ] c. tin and lead
[ ] d. lead and tin
3.
The decimal equivalent of 9/16 is ______?
[ ] a. 0.5625
[ ] b. 0.675
[ ] c. 0.875
[ ] d. none of these
4.
A 1000 watt, 120 volt lamp uses electrical energy at the same rate as a 14.4 ohm resistor on _______?
[ ] a. 120 volts
[ ] b. 115 volts
[ ] c. 208 volts
[ ] d. 240 volts
5.
A single pole switch to operate a light will have the wiring connected in the _______ conductor?
[ ] a. grounded
[ ] b. identified
[ ] c. ungrounded
[ ] d. neutral
6.
Silver and Gold are better conductors of electricity than copper, however, the main reason copper is used is its __________?
[ ] a. weight
[ ] b. strength
[ ] c. melting point
[ ] d. cost is less
7.
A current limiting overcurrent protective device is a device which will ________ the current flowing in the faulted circuit?
[ ] a. reduce
[ ] b. increase
[ ] c. maintain
[ ] d. none of these
8.
If the circuit voltage is increased, all else remains the same, only the ________ will change?
[ ] a. resistance
[ ] b. current
[ ] c. ampacity
[ ] d. conductivity
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Journeyman Electrician Exam Question's and Answer's
".
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