• 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 standard full-load power factor ratings for synchronous motors are

unity or 0.8 leading
zero or 0.8 leading
unity or 0.8 lagging
unity or zero

ANSWER DOWNLOAD EXAMIANS APP

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

the stator current will be very small
the stator current will be very high
the stator current will be zero
the back e.m.f. will be more than the supply voltage

ANSWER DOWNLOAD EXAMIANS APP

Synchronous Motors
The construction of a synchronous motor resembles

an alternator
an induction motor
a rotary converter
a series motor

ANSWER DOWNLOAD EXAMIANS APP

Synchronous Motors
The operating speed of a synchronous motor can be changed to new fixed value by

changing frequency
using brakes
changing the load
changing the supply voltage

ANSWER DOWNLOAD EXAMIANS APP

Synchronous Motors
The minimum armature current of the synchronous motor corresponds to operation at

zero power factor leading
0.707 power factor leading
0.707 power factor lagging
unity power factor

ANSWER DOWNLOAD EXAMIANS APP
  • «
  • 1
  • ...
  • 14
  • 15
  • 16
  • 17
  • 18
  • ...
  • 22
  • »

GO TO PAGE

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
↑