• 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
If field current is decreased in shunt dc motor, the speed of the motor

 decreases.
 remains same.
 increases.
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What is the mechanical power developed by a DC series motor is maximum?

 Back emf is equal to half the applied voltage.
 None of above.
 Back emf is equal to zero.
 Back emf is equal to applied voltage.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What is the shunt resistance component equivalent circuit obtained by no load test of an induction motor representative of ?

 both 1 and 2
 Copper loss
 windage and friction loss
 core loss only

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In Ward-Leonard system, the lower limit of the speed imposed by

 None of above.
 Residual magnetism of the generator.
 Armature resistance.
 Field resistance.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Ward-Leonard control is basically a ___________ control method.

 Armature voltage control.
 Field diverter control.
 Field control.
 Armature resistance control.

ANSWER DOWNLOAD EXAMIANS APP
  • «
  • 1
  • 2
  • 3
  • ...
  • 203
  • »

GO TO PAGE

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
↑