• 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
Maximum allowable moisture content of power transformer insulating oil is generally taken as

 20 ppm.
 45 ppm.
  35 ppm.
 25 ppm.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Field weakening control method is used for the _________ ?

 both A and B
 below rated speed
None of these
 above rated speed

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In star-delta starting of squirrel cage induction motor compared to DOL starting the starting current and torque are

 1/√3, 1/√3
 1/3, 1/3
 1/√3, 1/3
 1/3, 1/√3

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Total core loss is also called as -------------?

 Copper loss
 Magnetic loss
 Hysteresis loss
 Eddy current loss

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In DC generator, which component plays the vital role to produce the direct current?

 Yoke.
 Armature.
 Brush.
  Commutator.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A short-shunt cumulatively-compounded dc generator builds up a voltage of 220 V at no load at rated speed. If it is operated as a differentially compounded generator, other things remaining the same, it would build up

 220 V
 6 V
 somewhat less than 220 V
 more than 220 V

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
↑