Industrial Drivers MCQ Questions & Answers

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Current Affairs Interview Blog

Which of the following motors is preferred for boom hoist of a traveling crane?

A) Single phase motor B) Synchronous motor C) A.C. slip ring motor D) Ward-Leonard controlled D.C. shunt motor

Discuss

Answer & Solution

Answer: Option C

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

The traveling speed of cranes varies from

A) 20 to 30 m/s B) 10 to 15 m/s C) 5 to 10 m/s D) 1 to 2.5 m/s

Discuss

Answer & Solution

Answer: Option D

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

Flame proof motors are used in

A) Paper mills B) Steel mills C) Moist atmospheres D) Explosive atmospheres

Discuss

Answer & Solution

Answer: Option D

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

Which of the following machines has heavy fluctuation of load?

A) Printing machine B) Punching machine C) Planer D) Lathe

Discuss

Answer & Solution

Answer: Option B

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

In series motor which of the following methods can be used for changing the flux per pole?

A) Tapped field control B) Diverter field control C) Series-parallel control D) Any of the above

Discuss

Answer & Solution

Answer: Option D

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

Has relatively wider range of speed control.

A) Synchronous motor B) Ship ring induction motor C) Squirrel cage induction motor D) D.C. shunt motor

Discuss

Answer & Solution

Answer: Option D

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

________ has least range of speed control.

A) Slip ring induction motor B) Synchronous motor C) D.C. shunt motor D) Schrage motor

Discuss

Answer & Solution

Answer: Option B

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

In which of the following applications the load on motor changes in cyclic order?

A) Electric shovels B) Cranes C) Rolling mills D) All of the above

Discuss

Answer & Solution

Answer: Option D

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

For which of the following applications motor has to start with high acceleration?

A) Oil expeller B) Floor mill C) Lifts and hoists D) Centrifugal pump

Discuss

Answer & Solution

Answer: Option C

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

A pony motor is used for the starting which of the following motors?

A) Squirrel cage induction motor B) Schrage motor C) Synchronous motor D) None of the above

Discuss

Answer & Solution

Answer: Option C

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

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Industrial Drivers MCQ Questions & Answers | Electrical Engineering