• 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 field current is reduced to zero the maximum power developed by alternator is

 1.644 KW.
  2.73 KW.
 5.46 KW.
 0.9103 KW.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a DC Motor 3 point starter is used to

 limit the starting current to a safer value.
 provide protection against Low-Voltage.
 all of above.
 provide overload protection.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The brushes of a DC machine should be placed on the

 commutator in the inter polar axis.
 armature midway between poles.
 armature in the polar axis.
 commutator in the polar axis.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The constant losses in transformer is/are

 hysteresis loss.
 copper loss.
 eddy current loss.
 both 2 and 3.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A smaller air gap in a polyphase induction motor helps to

  reduce the magnetizing current.
  reduce the chance of cogging.
  reduce the chance of crawling.
  increase the starting torque.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The inertia constant H of a synchronous condenser is

 equal to that of the effective length of the line.
 greater than that of hydro generator.
 greater than that of turbo alternator.
  none of these.

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
↑