• 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
Iron losses in a DC machine are independent of variation in

  speed and voltage.
  voltage.
 speed.
  load.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Regenerative braking is not found in which motor?

 DC compound.
 DC shunt.
  DC series.
 Induction motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Flux density under leading pole tips in case of generator will

None of these
 either increase or decrease
 decrease
 increase

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Lamination of transformer core is made of

  silicon steel.
 wrought iron.
  cast iron.
 cast steel.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In an induction motor, what is the ratio of rotor input to rotor copper loss?

 1/(1-S)
 1-S
 S
 1/S

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If Kh is hysteresis constant, f is supply frequency, Bm maximum flux density in core of transformer, the expression of hysteresis loss in transformer, is given by

  KhfBm1.6.
 Khf2Bm1.6.
 KhfBm.
 KhfBm3.

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
↑