Electrical Machine Design MCQ Questions & Answers

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Each section contains 100 MCQs on Electrical Machine Design .

The slot leakage can be calculated by making which of the following assumptions ?

A) The current in the slot conductors is uniformly distributed over their cross-section B) The leakage path is straight across the slot and around the iron at the bottom C) The permanence of air paths is only considered. The reluctance of iron paths is assumed as zero 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 a D.C. machine comprises of

A) main poles B) interpoles C) frame D) all of the above

Discuss

Answer & Solution

Answer: Option D

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

Electrical machines having power outputs ranging from a few kW up to approximately 250 kW may be classified as

A) small size machines B) medium size machines C) large size machines D) any of the above

Discuss

Answer & Solution

Answer: Option B

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

In an Anderson bridge, the unknown inductance is measured in terms of

A) known inductance and resistance B) known capacitance and resistance C) known resistance D) known inductance

Discuss

Answer & Solution

Answer: Option B

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

The desirable static characteristics of a measuring system are

A) accuracy and reproducibility B) accuracy, sensitivity and reproducibility C) drift and dead zone D) static error

Discuss

Answer & Solution

Answer: Option B

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

A moving iron instrument can be used for

A) D.C. only B) A.C. only C) both D.C. and A.C. D) neither D.C. and A.C.

Discuss

Answer & Solution

Answer: Option C

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

Machines cooled by direct cooling method may be called

A) supercharged B) inner cooled C) conductor cooled D) any of the above

Discuss

Answer & Solution

Answer: Option D

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

In D.C. machines the usual limit of slot pitch is

A) between 5 to 10 mm B) between 10 to 15 mm C) between 15 to 20 mm D) between 25 to 35 mm

Discuss

Answer & Solution

Answer: Option D

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

In majority of instruments damping is provided by

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

Discuss

Answer & Solution

Answer: Option C

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

_______ instruments are those which measure the total quantity of electricity delivered in a particular time.

A) Absolute B) Indicating C) Recording D) Integrating

Discuss

Answer & Solution

Answer: Option D

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

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Electrical Machine Design MCQ Questions & Answers | Electrical Engineering