• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Synchronous Motors

Synchronous Motors
The armature current of a synchronous motor will be minimum for ______ power factor.

0.8 leading
Unity
None of the listed here
0.8 lagging

ANSWER DOWNLOAD EXAMIANS APP

Synchronous Motors
When load on an over-excited or under excited synchronous motor is increased, rate of change of its armature current as compared with that of power factor is

twice
more
equal
less

ANSWER DOWNLOAD EXAMIANS APP

Synchronous Motors
An over excited synchronous motor behaves as _____

A capacitor
An inductor
None of the listed here
A resistor

ANSWER DOWNLOAD EXAMIANS APP

Synchronous Motors
In a 3-phase synchronous motor, the negative phase sequence exists when the motor is

None of these
over-loaded
under-loaded
supplied with unbalanced voltage

ANSWER DOWNLOAD EXAMIANS APP

Synchronous Motors
When the field of a synchronous motor is under-excited, the power factor will be

leading
zero
unity
lagging

ANSWER DOWNLOAD EXAMIANS APP

Synchronous Motors
When pull-out torque occurs in a synchronous motor, the poles of the rotor are _______

Coincident with statorbpoles
45° (electrical) behind stator poles
Mid way between N and S poles of stator
None of the listed here

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Synchronous Motors

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑