• 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
A generator may loose residual magnetism due to

  heating.
  over excitation.
  vibrations.
  any of these.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The 3 - Φ induction motor with rotor circuit open will

  get over heated.
  run normally.
  not run.
  make noise.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Torque developed in the rotor is

 directly proportional to slip
 either of these
 inversely proportional to slip
 not dependent on the slip

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Compensating winding are used to rectify the flux density waveform at

 interpole region.
  region under main pole.
 throughout the air gap.
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In dc machine armature windings are placed on rotor because of the necessity for

 development of torque.
 commutation.
 generation of voltage.
 electromechanical energy conversion.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If the full load speed of 3-phase, 50Hz induction motor is 950 rpm, what is its half load speed nearly equals to?

 940 rpm
 1000 rpm
 975 rpm
 950 rpm

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
↑