• 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
As compared to an induction motor, the air gap in a DC motor is

 less than 50%.
 more.
 same.
 between 50% and 90%.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The armature of DC motor is laminated

 to reduce the mass.
 to reduce the hysteresis loss.
 to reduce the inductor.
 to reduce the eddy current loss.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Methods of synchronizing of alternator may be done by

  all of these.
 one dark two bright.
 all dark lamp method.
 all bright lamp method.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In DC generators, electric current to the external circuit from armature is given through

 commutator.
 slip rings.
 solid connection.
 none of above.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Breadth factor is defined as the ratio of

 emf with distributed winding to emf with concentrated winding.
 both 1 and 2.
None of these
 emf with concentrated winding to emf with distributed winding.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Armature reaction in DC generators will result in

 short circuit.
 increase in slip.
 reduction in generated emf.
 open circuit.

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
↑