• 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
When flux density is constant in a transformer, hysteresis loss varies as

 f
 f²
 V²
 V

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following is/are effects of armature reaction?

 increase the maintenance and repair
 increase the iron loss
All of these
 increases the design cost

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In shapers and slotters which motor are preferred?

  Squirrel cage IM.
  Synchronous motor.
  Slip ring IM.
  Double cage motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For high current and low current rating which winding is employed to DC machine?

 Lap winding
 Both lap and wave winding
 None of above
 Wave winding

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 230 V, 50 Hz, 4 pole single phase induction motor is rotating in the clockwise ( forward ) direction at a speed of 1425 rpm. If the rotor resistance at standstill is 7.8 Ω. Then the effective rotor resistance in the backward branch of the equivalent circuit will be

  2 Ω.
 10 Ω.
 8 Ω.
  4 Ω.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The speed of stator rotating magnetic field (RMF) with respect to rotor is

 S.Ns
 Nr
 Ns
 Zero

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
↑