Level 2 Module 1 Review Questions
-10V - Correct Answer The voltage at the 270-degree point of a sine wave with a maximum voltage of 10V is
+10V - Correct Answer The voltage at the 90-degree point of a sine wave with a maximum voltage of 10V is
10 feet - Correct Answer the minimum approach distance for voltages between 50 and 750V is
141.4 - Correct Answer The effective(rms) voltage of sine wave with a peak voltage of 200V is
240 Volts - Correct Answer A transformer has 200 windings in its primary, which receives 120VAC. The secondary
has 400 windings. The voltage across the secondary is___.
capacitor-start motor - Correct Answer a centrifugal switch is used in a
capacitor-start, capacitor-run motor - Correct Answer the type of single-phase motor most likely too be used to drive a
refrigerant compressor is a
has more turns of wire than the run winding - Correct Answer the start winding of a split-phase motor
it has large plates and dielectric oil is dissipate heat - Correct Answer A run capacitor in a single-phase motor can
remain in the circuit after the motor starts because
it remains stationary - Correct Answer what happens to the stator winding of a single-phase motor when voltage is
applied.
multimeter - Correct Answer Phasing of two transformers in parallel can be accomplished using
phase shift - Correct Answer a shaded-pole motor is aided in starting by a
resistance - Correct Answer a megger is used to measure
split-phase motor - Correct Answer The schematic diagram shown in Figure 1 represents a
the maximum speed at which it will run - Correct Answer the synchronous speed of a motor is
they may be delta-connected or wye-connected - Correct Answer which of the following applies to three-phase
motors?
three to four tomes greater than that of the run winding - Correct Answer when testing the windings of a single=phase
induction motor, the resistance of the start winding will be
Voltage leads current - Correct Answer In an inductive circuit
voltage present - Correct Answer the distance an arc can jump between surfaces is a function of then
zero ohms - Correct Answer when a fuse is checked using an ohmmeter, a good fuse will read
-10V - Correct Answer The voltage at the 270-degree point of a sine wave with a maximum voltage of 10V is
+10V - Correct Answer The voltage at the 90-degree point of a sine wave with a maximum voltage of 10V is
10 feet - Correct Answer the minimum approach distance for voltages between 50 and 750V is
141.4 - Correct Answer The effective(rms) voltage of sine wave with a peak voltage of 200V is
240 Volts - Correct Answer A transformer has 200 windings in its primary, which receives 120VAC. The secondary
has 400 windings. The voltage across the secondary is___.
capacitor-start motor - Correct Answer a centrifugal switch is used in a
capacitor-start, capacitor-run motor - Correct Answer the type of single-phase motor most likely too be used to drive a
refrigerant compressor is a
has more turns of wire than the run winding - Correct Answer the start winding of a split-phase motor
it has large plates and dielectric oil is dissipate heat - Correct Answer A run capacitor in a single-phase motor can
remain in the circuit after the motor starts because
it remains stationary - Correct Answer what happens to the stator winding of a single-phase motor when voltage is
applied.
multimeter - Correct Answer Phasing of two transformers in parallel can be accomplished using
phase shift - Correct Answer a shaded-pole motor is aided in starting by a
resistance - Correct Answer a megger is used to measure
split-phase motor - Correct Answer The schematic diagram shown in Figure 1 represents a
the maximum speed at which it will run - Correct Answer the synchronous speed of a motor is
they may be delta-connected or wye-connected - Correct Answer which of the following applies to three-phase
motors?
three to four tomes greater than that of the run winding - Correct Answer when testing the windings of a single=phase
induction motor, the resistance of the start winding will be
Voltage leads current - Correct Answer In an inductive circuit
voltage present - Correct Answer the distance an arc can jump between surfaces is a function of then
zero ohms - Correct Answer when a fuse is checked using an ohmmeter, a good fuse will read
