• 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
A 4 pole, 3-phase induction motor is running at 4% slip at full load. If the speed of the motor is 720 rpm, the supply frequency is

 50 Hz
 60 Hz
 40 HZ
 25 Hz

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Synchronous reactance of an alternator represents

 armature reactance and leakage reactance
All of these
 field winding reactance
 a reactance operating at synchronous speed

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What will be the maximum power factor of an induction motor for dispersion coefficient of 0.05?

 1.1.
  0.905.
  0.05.
 20.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Armature of DC machine is made of

 non-ferrous material.
 insulating material.
 conducting material.
 silicon steel.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In salient pole synchronous machine, maximum power occurs at a load angle of

 Greater than 90°
 90°
 less than 90°
 0°

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The no load and full load speed of DC mototr are 1400 rpm and 1200 rpm respectively. What is the percentage speed regulation of the motor?

 14.28%.
 18.25%.
 15.30%.
  16.67%.

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
↑