• 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 the air gap of IM is increased, ____________ will increase.

  speed.
  power factor.
  air gap flux.
  magnetizing current.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Hunting in a synchronous motor takes place

  when supply voltage fluctuates.
  when power factor is unity.
  when load varies.
  motor is under loaded.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
At slip s = 1 torque developed in machine is

  electromagnetic torque.
  maximum torque.
  none.
  starting torque.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The main purpose of providing tertiary winding in a three phase transformer is

 to carry extra load.
 to interconnect three voltage systems.
None of these
  to suppress harmonic and unbalance in voltage.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In DC machines shape of net flux density is?

 saddle shape
 flat tapped or trapezoidal
 sine wave
 peaky in nature

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For the same power output rating and full load speed, the motor will have poorest starting torque, is

 Series.
  Shunt.
 Differential compound.
 Cummulative compound.

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
↑