T4Tutorials .PK

Chapter 7 SPECIAL MOTORS MCQs

1. . _______ motor changes its position in angular steps.

(A) Induction


(B) Series


(C) Stepper


(D) Shunt




2. . A _______ motor is an incremental device.

(A) Servo


(B) Alternator


(C) Stepper


(D) Induction




3. . The rotation of stepper motor depends upon _______

(A) Poles


(B) Current


(C) Voltage


(D) Frequency




4. . Stepper motor has low _______ current.

(A) Starting


(B) Running


(C) Stand still


(D) All




5. . Stepper motor has low ________

(A) None


(B) Starting current


(C) Both (a) & (b)


(D) Efficiency




6. . Stepper motor is used in _______

(A) Computer


(B) Robot


(C) All


(D) Rotary tables




7. . Servo motor can rotate in both directions with _______ torque.

(A) Either (a) or (b)


(B) Low


(C) High


(D) None




8. . Servo motors are ________

(A) AC


(B) DC


(C) Both (a) & (b)


(D) None




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