200 Important Single Phase Induction Motor MCQ Question & Answer | PDF Free Download
1.Which of the following types of motors are not the commutator motors?
- AAC Series Motors
- BReluctance Motors
- CUniversal Motors
- DRepulsion Motors
2.Which of the following types of ac motors are synchronous type?
- AReluctance motors
- BHysteresis motors
- CUniversal motors
- DBoth (a) and (b)
3.Which of the following motors does not use a centrifugal switch?
- AShaded pole motor
- BSplit phase motor
- CCapacitor start capacitor run motor
- DRepulsion start induction motor
4.Which single phase induction motor has the lowest speed?
- AShaded pole
- BUniversal
- CHysteresis
- DRepulsion
5.For speeds higher than say 3000 rpm the machine used is
- AInduction motor
- BSynchronous motor
- CUniversal motor
- DNone of the above
6.AC servomotor is basically a
- AUniversal motor
- BCapacitor motor
- C2-phase induction motor
- D3- phase induction motor
7.Two stator windings of ac servomotors are oriented _______ electrical degrees apart.
- A90
- B60
- C120
- D180
8.A linear servomotor must have
- AHigh rotor resistance
- BHigh rotor reactance
- CA large air gap
- DBoth high rotor resistance and reactance
9.The input to a stepper motor is in the form of
- AFrictional force
- BElectric pulses
- CMechanical inertia
- DViscous damping force
10.The rotor of a stepper motor has
- ANo windings
- BNo commutator
- CNo brushes
- DAll of the above
11.For given stepper motor, the following torque has the high numerical value
- ADetent torque
- BPull in torque
- CPull out torque
- DHolding torque
12.The following motor definitely has a permanent magnet rotor:
- ADC commutator motor
- BBrushless dc motor
- CStepper motor
- DReluctance motor
13.The motor which can be produce uniform torque from standstill to synchronous speeds is
- AUniversal motor
- BStepper motor
- CReluctance motor
- DHysteresis motor
14.Stepper motors are mostly used for
- AHigh power requirements
- BControl system applications
- CVery high speed of operation
- DVery low speed of operation
15.Stepper motors are widely used because of
- AWide speed range
- BLarge rating
- CNo need for field control
- DCompatibility with digital system
16.Which one of the following types of motors is not suitable for a computer printer drive?
- AReluctance motor
- BHysteresis motor
- CShaded pole motor
- DStepper motor
17.The output of a stepper motor is in the form of
- ALinear movements
- BAngular movements
- CEither (a) or (b)
- DNone of the above
18.________ motor is usually employed in motor generator sets
- ASquirrel cage induction
- BSlip ring induction
- CSynchronous
- DCommutator