JATC 3-1: Questions With Insightful Solutions

JATC 3-1: Questions With Insightful Solutions
Underground primary connections are prone to ________
A ferroresonance
B reduced power factor
C self-protection
D transient voltages Correct Answer - A ferroresonance

The time required to charge or discharge a capacitor is measured in
time constants. It takes _______ time constant(s) to charge a capacitor.
A1
B3
C5
D 8 Correct Answer - C5

The manpower cost of a job is normally figured at _______ of the total
cost.
A 20%
B 30%
C 40%
D 50% Correct Answer - C 40%

Commercial 3-phase generators have coils mounted on the stator
and are connected together as three circuits, with a _________degrees
phase separation.
A 60
B 120
C 180
D 360 Correct Answer - B 120

If you have determined that a transformer needs to be replaced in a
three transformer bank, the information you would need to order a
replacement would include: kVA size, voltage requirements,
polarity, and _______

, A bank configuration
B fuse size
C impedance
D tap fuse location Correct Answer - C impedance

When discussing the apprenticeship program and training, the
"why" of the trade is learned _______
A at the union hall/union meetings
B by your journeyman/foreman
C in the classroom
D on the job Correct Answer - C in the classroom

AC circuit loads are described as inductive, capacitive, or _________
loads.
A average
B effective
C resistive
D RMS Correct Answer - C resistive

The measure of the number of cycles that occur in one second is
called
A frequency
B harmonics
C pulse rate
D sine wave Correct Answer - A frequency

The most effective method of identifying and communicating with
unorganized workers is __________
A a good training program
B salting
C the local phone book
D the state license requirements Correct Answer - B salting