Electrical Machine Design MCQ Questions & Answers

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Each section contains 100 MCQs on Electrical Machine Design .

Operating torques in analogue instruments are

A) deflecting and control B) deflecting and damping C) deflecting, control and damping D) vibration and balancing

Discuss

Answer & Solution

Answer: Option C

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

The principle on which vector voltmeter is based is

A) that it works on the principle of complex variation B) that it measures the response of linear ramp voltage C) same as digital meter D) that it measures the amplitude of a single at two points and at the same time measures their phase difference

Discuss

Answer & Solution

Answer: Option D

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

Which of the following is the major consideration to evolve a good design ?

A) Cost B) Durability C) Compliance with performance criteria as laid down in specifications D) All of the above

Discuss

Answer & Solution

Answer: Option D

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

The stator of phase shifting transformer for use in conjunction with an A.C. potentiometer usually has a

A) single-phase winding B) two-phase winding C) three-phase winding D) any of the above

Discuss

Answer & Solution

Answer: Option B

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

Which of the following problem arises in D.C. motors which are fed from thyristor bridge circuits ?

A) Increased I R losses B) Increased core losses C) Poor commutation D) Change in motor parameters E) All of the above

Discuss

Answer & Solution

Answer: Option E

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

The cylindrical windings using circular conductors are used for current rating of

A) upto 20 A B) upto 40 A C) upto 60 A D) upto 80 A

Discuss

Answer & Solution

Answer: Option D

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

The forced oil and air circulation method is usual one for transformers of capacities

A) upto 5 MVA B) upto 10 MVA C) upto 20 MVA D) 30 MVA upwards

Discuss

Answer & Solution

Answer: Option D

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

In an energy meter braking torque is produced to

A) safe guard it against creep B) brake the instrument C) bring energy meter to stand still D) maintain steady speed and equal to driving torque

Discuss

Answer & Solution

Answer: Option D

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

In a portable instrument, the controlling torque is provided by

A) spring B) gravity C) eddy currents D) all of the above

Discuss

Answer & Solution

Answer: Option A

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

In a meggar controlling torque is provided by

A) spring B) gravity C) coil D) eddy current

Discuss

Answer & Solution

Answer: Option C

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

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Electrical Machine Design MCQ Questions & Answers | Electrical Engineering