• 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
The induction motor shaft is made of

  stainless steel.
  mild steel.
  cast iron.
  aluminium.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For the above problem, find the induced voltage of an alternator of it is to deliver a load of 100 A at power factor of 0.8 lagging with terminal voltage of 200 V.

  222 V.
 225 V.
 230 V.
 220 V.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The air gap between the yoke and armature is dc machine is kept very small

All of these
 to avoid over heating.
 to avoid locking of the armature.
 to achieve a stronger magnetic field.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following motors has negative speed regulation?

 Series motors.
 Differential compound motors.
 Both B and C.
 Shunt motors.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A short circuit test on a transformer gives

  copper loss at any load.
 copper loss at full load.
 copper loss at over load.
 copper loss at half load.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 4 pole DC generator rotates at 1500 rpm. How many times in a second, will the emf induced in each armature conductor changes its direction?

  100.
 200.
 500.
 750.

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
↑