• 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
Hopkinson test is conducted under which of the following condition?

 any of the above
 full load
 half load
 no load

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A single phase transformer when supplied from 220 V, 50 Hz has eddy current loss of 50 W. If the transformer is connected voltage of 330 V, 75 Hz, the eddy current loss will be

 112.5 W
 168.75 W
 50 W
 75 W

ANSWER DOWNLOAD EXAMIANS APP

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

 MNA
None of these
 GNA
 either GNA or MNA

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which 1 - Φ motor does operate at high power factor?

  Shaded pole.
  Capacitor start.
  Capacitor run.
  Split phase.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Quadrature axis synchronous reactance is the ratio of

 Vmin to Imax.
 Vmin to Imin.
 Vmax to Imin.
 Vmax to Imax.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
3rd harmonics are eliminated in induction motor by using

  zig - zag connection.
  delta connection.
  V connection.
  star connection.

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
↑