• 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
Slip rings of an induction motors are made of

  stainless steel.
  carbon.
  aluminium.
  phosphor bronze.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What does happen if tripled harmonics given to induction motor?

  Will results in short circuit.
  Nothing will happen.
  Fail to start.
  Will results in open circuit.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Field weakening control method is used for the _________ ?

 below rated speed
 above rated speed
 both A and B
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Series generators are used in which of the following applications?

 Air crafts.
All of these
 Used as boosters in dc distribution or transmission.
 Arc welding.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The torque speed characteristics of a AC servomotor is approximately

 parabola
 any of the above
 hyperbola
 linearised

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Unbalance 3 - Φ stator currents cause

All of these
  double frequency currents in the rotor.
  vibrations.
  heating of rotor.

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
↑