• 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
A 50 Hz synchronous motor runs at 200 rpm. The number of salient poles on the rotor are______

36
None of the listed here
30
16

ANSWER DOWNLOAD EXAMIANS APP

Synchronous Motors
The rotor copper losses, in a synchronous motor, are met by

supply lines
motor input
armature input
c. source

ANSWER DOWNLOAD EXAMIANS APP

Synchronous Motors
Leading power factor synchronous motors cost ______ the unity pf motors.

None of the listed here
About the same as
Less than
More than

ANSWER DOWNLOAD EXAMIANS APP

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

lagging
unity
zero
leading

ANSWER DOWNLOAD EXAMIANS APP

Synchronous Motors
Small synchronous motors are started by _______

None of the listed here
Pony motor
Damper winding
Variable frequency source

ANSWER DOWNLOAD EXAMIANS APP

Synchronous Motors
A synchronous machine with low value of short-circuit ratio has

high stability limit
lower stability limit
good voltage regulation
good speed regulation

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
↑