• 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
Example of double excited machine is

 Both are correct.
 DC Shunt Motor
 Synchronous motor.
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In electric locomotive which of the following motor are used ?

  Synchronous motor.
  Shunt motor.
  Separately compound motor.
  DC series motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
To increase starting torque of a 3-phase slip ring induction motor, preferred method is to increase

 supply frequency
 rotor resistance
 supply voltage
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
When applied rated voltage per phase is reduce to one half, the starting torque of three phase squirrel cage induction motor becomes

 1/2 of the initial value
 4 time the initial value
 1/4 of the intial value
 twice the initial value

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In DC generator on no-load, the air gap flux distribution in space is

  pulsating.
  sinusoidal.
  flat topped.
 triangular.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If the excitation is reduced, the power factor is

 leading power factor
 unity power factor
 lagging power factor
None of these

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
↑