Industrial Drivers MCQ Questions & Answers

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Current Affairs Interview Blog

Which of the following motors has series characteristics?

A) Shaded pole motor B) Repulsion motor C) Capacitor start motor D) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which part of a motor needs maximum attention for maintenance?

A) Frame B) Rearing C) Stator winding D) Rotor winding

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

A wound rotor induction motor is preferred, as compared to squirrel cage induction motor, when major consideration is

A) Slop speed operation B) High starting torque C) Low windage losses D) All of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

________ has the least value of starting torque to full load torque ratio.

A) D.C. shunt motor B) D.C. series motor C) Squirrel cage induction motor D) Slip ring induction motor

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The starting torque in case of centrifugal pumps is generally

A) Less than running torque B) Same as running torque C) Slightly more than running torque D) Double the running torque

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

For a D.C. shunt motor which of the following is incorrect?

A) Unsuitable for heavy duty starting B) Torque varies as armature current C) Torque armature current is a straight line D) Torque is zero for zero armature current

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Which of the following happens when star-delta starter is used?

A) Starting voltage is reduced B) Starting current is reduced C) Both (A) and (B) D) None of the above

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Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

__________ method of starting a three phase induction motor needs six terminals.

A) Star-delta B) Resistance starting C) Autotransformer D) None of the above

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

In a paper mill where constant speed is required

A) Synchronous motors are preferred B) A.C. motors are preferred C) Individual drive is preferred D) Group drive is preferred

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Is preferred for synthetic fibre mills.

A) Synchronous motor B) Reluctance motor C) Series motor D) Shunt motor

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

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Industrial Drivers MCQ Questions & Answers | Electrical Engineering