• 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
Brushes are always placed on--------------- , in order to achieve sparkles commutation?

 MNA
 GNA
None of these
 either GNA or MNA

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The flux involved in the emf equation of a transformer has

 total value.
 average value.
  maximum value.
 rms value.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For a transformer to be tested at full load conditions but consuming only losses from the main, we do

 OC and SC tests
 load test
 back to back test
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Fufuraldehyde analysis is done to determine the

 condition of oil in transformer.
 condition of cork gaskets used in transformer.
 condition of lamination on CRGO steel sheet.
  condition of paper insulation in transformer.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
At what power factor, the voltage regulation of a transformer can be zero ?

 Lagging power factor.
 Zero power factor.
 Unity power factor.
  Leading power factor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Flux density under trailing pole tips in case of generator will

 either increase or decrease
 decrease
None of these
 increase

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
↑