• 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
When the synchronous motor runs at synchronous speed, the voltage induced in the damper winding is _____

minimum
Zero
Maximum
None of the listed here

ANSWER DOWNLOAD EXAMIANS APP

Synchronous Motors
The shaft of synchronous motor is made of

Alcino
Chrome steel
Stainless steel
Mild steel

ANSWER DOWNLOAD EXAMIANS APP

Synchronous Motors
The rotor of synchronous motor is excited with direct current when the motor _____

Approches half synchronous speed
Is at standstill
None of the listed here
Approches synchronous speed

ANSWER DOWNLOAD EXAMIANS APP

Synchronous Motors
An over excited synchronous motor behaves as _____

A resistor
An inductor
A capacitor
None of the listed here

ANSWER DOWNLOAD EXAMIANS APP

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

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

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

less
more
twice
equal

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
↑