• 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
which of the following losses are negligible in blocked rotor test?

 iron loss
 copper loss
 mechanical loss
 both A and B

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In DC series motor the speed is ______________ proportional to the armature current.

 directly.
 inversely.
 none of these.
 has no relation.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Sparkless commutation can be achieved by employing

  inter poles.
 compensating winding.
  high resistance carbon brushes.
  any one or more of the above methods.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In above question, find rms line voltage for delta connection?

 100 V.
  230.2 V.
 50 V.
 399 V.

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

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

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Induction motors provided with open slots have

  less breakdown torque.
  more breakdown torque.
  higher efficiency.
  leading power factor.

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
↑