JOURNEYMAN (Electrical Engineering) EXAM PREP MULTIPLE QUESTIONS AND ANSWERS RATED A.
1. 1. Which of the following do three 150 volt parallel d
circuits produce the total current ?
a . 50 volts
b . 150 volts
c . 225 volts
d . 450 volts
2. 3. If a custodian in your building finds out that an c
office worker is using a hot plate on a circuit that
already has a lot of appliances plugged into , the
safest thing to do is to :
a .remove the hot plate from the office when its owner
is not present
b demand that the office worker remove the hot plate
immediately
c . write a report to the supervisor of the office requesting corrective action
d . ignore the situation
3. 4. The following conditions must be met for branch c
circuits to be de rived from autotransformers :
a .The grounded conductor is protected from access
by unauthorized personnel .
bThe autotransformer operates at less than 600 volts
nominal
c. An electrical connection is made be tween the
grounded conductor of the supplied circuit and the
grounded conductor of the system supplying the
auto transformer
d . All of the above
4. 5. It is permitted to tap two - wire AC circuits with a
ungrounded conductors from circuits that have one
of the following :
a .Two switching devices
b .Switches with multiple poles that operate automatically
c . Conductors that are grounded
d . None of the above