Synchronous Motors MCQ Questions & Answers | Electrical Engineering

Home / Electrical Engineering / Synchronous Motors

Section 1 Section 2

1.
Synchronous motors are

A. Not-self starting

B. Self-starting

C. Essentially self-starting

D. None of the above

Answer & Solution Discuss in Board Save for Later

2.
The standard full-load power factor ratings for synchronous motors are

A. zero or 0.8 leading

B. unity or 0.8 lagging

C. unity or 0.8 leading

D. unity or zero

Answer & Solution Discuss in Board Save for Later

3.
If the synchronous motor, properly synchronised to the supply is running on no load and is having negligible loss then

A. the stator current will be zero

B. the stator current will be very small

C. the stator current will be very high

D. the back e.m.f. will be more than the supply voltage

Answer & Solution Discuss in Board Save for Later

4.
The speed regulation of a synchronous motor is always

A. 1%

B. 0.5%

C. positive

D. zero

Answer & Solution Discuss in Board Save for Later

5.
The construction of a synchronous motor resembles

A. a series motor

B. an induction motor

C. an alternator

D. a rotary converter

Answer & Solution Discuss in Board Save for Later

1 2 3 4 5 6 7 8 9 10

Read More Section(Synchronous Motors)

Each Section contains maximum 70 questions. To get more questions visit other sections.

Synchronous Motors - Section 1