• 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
In DC generators, the residual magnetism is of the order of

  2.5 %.
  20 %.
 10 %.
  15 %.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The fall in speed of the DC generator due to increase in load can be corrected by

  reducing the load voltage.
  increasing the input to the prime mover.
 cooling the armature.
  increasing the excitation.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What is the phase difference between two windings of A.C servomotor ?

 120°.
 30°.
 60°.
 90°.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The emf induced in the dc generator armature winding is

 AC
 DC
 AC and DC
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Counter emf of a DC motor

 regulates its armature voltage.
 exceeds supply voltage
 helps in energy conversion.
 aids applied voltage.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Star - delta method of starting of motor is not possible in case of

  single phase induction motor.
  high speed motor.
  low horse power motor.
  high torque motor.

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
↑