• 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
For satisfactory performance of 3-phase 480V, 60 Hz induction motor, the supply voltage at 50 Hz should be equal to

 350 V.
 480 V.
 400 V.
 420 V.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Armature reaction in DC generators will result in

 short circuit.
 reduction in generated emf.
 increase in slip.
 open circuit.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
When maximum flux density is constant, the eddy current losses are proportional to

 V
 f2
 f
 V2

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In an ideal DC generator the regulation is

 zero.
 low.
 positive.
 high.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If the back emf in DC motor vanishes suddenly the motor will

 run at very low speed.
 start haunting.
 burn.
 run at very high speed.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What is the actual arrangement of series wound generator?

 Armature and field both are parallel.
 Armature and field both are connected.
 Armature winding is in series with load.
  Armature and field both are in series with the load.

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
↑