HVACR REVIEW PACK 2026 SOLVED
QUESTIONS AND ACCURATE ANSWERS
◉ Single phase motor speed is determined by the;.
Answer: number of stator poles
◉ The capacitor start-capacitor run (CSCR) motor provides;.
Answer: high starting and running torque
◉ To change direction of rotation of a three phase motor;.
Answer: change the position of any two supply wires
◉ Capacitors are always connected __________ to the start winding.
Answer: in series
◉ which meter is used to bench check a motor for shorts or open
windings?.
Answer: ohmmeter
◉ A solenoid valve coil operates on the principle of;.
Answer: Electromagnetism
, ◉ When checking the windings of a three phase motor;.
Answer: all three terminals should show the same resistance
◉ When testing the windings of a single phase motor,.
Answer: the common to run terminals show the lowest resistance
◉ Technician #1 says that an OPEN transformer coil is indicated by a
reading of infinity on an analog ohmmeter.
Technician #2 says that a SHORTED transformer coil is indicated by
a reading of infinity on an analog ohmmeter..
Answer: Technician #2 only
◉ A step up transformer increases;.
Answer: voltage
◉ Transformers are rated according to;.
Answer: VA at the secondary
◉ Utility companies usually supply residential homes with ___________
service..
QUESTIONS AND ACCURATE ANSWERS
◉ Single phase motor speed is determined by the;.
Answer: number of stator poles
◉ The capacitor start-capacitor run (CSCR) motor provides;.
Answer: high starting and running torque
◉ To change direction of rotation of a three phase motor;.
Answer: change the position of any two supply wires
◉ Capacitors are always connected __________ to the start winding.
Answer: in series
◉ which meter is used to bench check a motor for shorts or open
windings?.
Answer: ohmmeter
◉ A solenoid valve coil operates on the principle of;.
Answer: Electromagnetism
, ◉ When checking the windings of a three phase motor;.
Answer: all three terminals should show the same resistance
◉ When testing the windings of a single phase motor,.
Answer: the common to run terminals show the lowest resistance
◉ Technician #1 says that an OPEN transformer coil is indicated by a
reading of infinity on an analog ohmmeter.
Technician #2 says that a SHORTED transformer coil is indicated by
a reading of infinity on an analog ohmmeter..
Answer: Technician #2 only
◉ A step up transformer increases;.
Answer: voltage
◉ Transformers are rated according to;.
Answer: VA at the secondary
◉ Utility companies usually supply residential homes with ___________
service..
