• 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 direct axis reactance Xd and quadrature axis reactance Xq are equal, then reluctance power is

 minimum
All of these
 maximum
 zero

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The armature core of a DC machine is laminated to minimise

 temperature rise
 mechanical loss
 eddy-current loss
 hysteresis loss

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The armature shaft must be able to withstand

All of these
 any unbalanced magnetic pull on the armature core.
 bending moment due to weight of the armature.
 twisting strains due to transmission of torque.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If input of a transformer is square wave the output will be

 square wave.
 sine wave.
 triangular wave.
  pulsed wave.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In Ward-Leonard system, the lower limit of the speed imposed by

 Armature resistance.
 None of above.
 Residual magnetism of the generator.
 Field resistance.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Series generators are used in which of the following applications?

 Used as boosters in dc distribution or transmission.
All of these
 Arc welding.
 Air crafts.

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
↑