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

Electrical Machines

Electrical Machines
If direct axis reactance Xd and quadrature axis reactance Xq are equal, then reluctance power is

 maximum
All of these
 minimum
 zero

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Capacitor start capacitor run provides

  high staring torque only.
  high power factor only.
  none.
  high staring torque and high power factor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In induction motor the 7th harmonic torque may make the motor rotate at (1 / 7)th synchronous speed. This is called

  harmonics.
  cogging.
  resonance.
  crawling.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Transformer oil is used as

 inert medium.
 both A and B.
 a coolant.
 an insulator.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For power factor improvement the synchronous motor is to be

 heavily loaded and over excited
 lightly loaded and over excited
 lightly loaded and underecited
 heavily loaded and underexcited

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The back emf produced in a dc motor depends on

  none of these.
  P and Z.
  Z.
  P.

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Electrical Machines

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
↑