• 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

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

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following is/are the methods to reduce the armature reaction and its effects?

 pole stacking
 pole chamfering
 compensating winding
All of these

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A dc series motor driving and electric train faces a constant power load. It is running at rated speed and rated voltage. If the speed has to be brought down to 0.25 p.u. the supply voltage has to be approximately brought down to

  0.125 p.u
  0.75 p.u
  0.25 p.u
  0.5 p.u

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Rotating magnetic field is produced in an induction motor because of

  stator winding.
  rotor winding.
  either stator winding or rotor winding.
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Hunting in a synchronous motor takes place

  when power factor is unity.
  motor is under loaded.
  when supply voltage fluctuates.
  when load varies.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Synchronising power of a synchronous motor varies

 directly as Xs2
 directly as synchronous reactances Xs
All of these
 inversely as 1/Xs

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
↑