• 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 supply voltage to an induction motor is reduced by 10%. By what percentage, approximately, will the maximum torque decrease?

 5%
 40%
 19%
 10%

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following statements are correct ?

 Both 1 and 2.
 The leakage reactance of the induction motor should be small.
 A small value of leakage reactance will increase the maximum power output of motor.
None of these

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The back emf produced in a dc motor depends on

  none of these.
  Z.
  P.
  P and Z.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In DC machine shape of main field flux distribution is?

 saddle shape
 flat tapped or trapezoidal
 triangular
 peaky in nature

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The armature of a DC motor is laminated to reduce

 hysteresis loss.
 friction and windage loss.
 eddy current loss.
 copper loss.

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
↑