Single Phase Motors TPC UPDATED
Questions and CORRECT Answers
A servomotor operates when the - CORRECT ANSWER control field is energized
On a motor nameplate, the NEMA designation "A" indicates a - CORRECT
ANSWER normal starting current
A manual single-phase motor starter has - CORRECT ANSWER one or two poles
You can reverse the direction of rotation in a split-phase motor by reversing the connections to -
CORRECT ANSWER either winding but not both
Hysteresis motors will run on frequencies ranging from _________ to _________ Hz. -
CORRECT ANSWER 25; 2000
A distinguishing characteristic of a universal motor is its - CORRECT ANSWER high
power output per pound of weight
The best way to maintain torque in a universal motor running at low speed is to use a(n) -
CORRECT ANSWER electronic controller with an SCR
In synchro transmitters and receivers, stator coils - CORRECT ANSWER serve as the
secondary windings
The part of a synchro control system that supplies an ac signal from its rotor is the - CORRECT
ANSWER control transformer
Questions and CORRECT Answers
A servomotor operates when the - CORRECT ANSWER control field is energized
On a motor nameplate, the NEMA designation "A" indicates a - CORRECT
ANSWER normal starting current
A manual single-phase motor starter has - CORRECT ANSWER one or two poles
You can reverse the direction of rotation in a split-phase motor by reversing the connections to -
CORRECT ANSWER either winding but not both
Hysteresis motors will run on frequencies ranging from _________ to _________ Hz. -
CORRECT ANSWER 25; 2000
A distinguishing characteristic of a universal motor is its - CORRECT ANSWER high
power output per pound of weight
The best way to maintain torque in a universal motor running at low speed is to use a(n) -
CORRECT ANSWER electronic controller with an SCR
In synchro transmitters and receivers, stator coils - CORRECT ANSWER serve as the
secondary windings
The part of a synchro control system that supplies an ac signal from its rotor is the - CORRECT
ANSWER control transformer
