• 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
Which of the following is not a part of transformer?

  Commutator.
 Tap changer.
 Conservator tank.
 Radiator.

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

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

ANSWER DOWNLOAD EXAMIANS APP

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

 either increase or decrease
None of these
 decrease
 increase

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The wattage rating of a ceiling fan motor will be

 250 - 500 W.
 10 - 20 W.
 200 - 250 W.
  50 - 150 W.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For a practical synchronous motor the pull out torque will occur when the torque angle is nearly equal to

 30°.
  75°.
 45°.
 0°.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Slip rings of an induction motors are made of

  aluminium.
  carbon.
  phosphor bronze.
  stainless steel.

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
↑