• 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
The emf induced in the dc generator armature winding is

 AC
None of these
 DC
 AC and DC

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In DC machine shape of armature MMF wave is?

 Triangular and directed towards brush axis.
 Triangular and directed towards main pole.
 Saddle shape.
 Peaky in nature.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Stray losses in transformer occurs in

  winding conductors and steel structures of transformer.
 steel core.
 paper insulation in transformers.
 transformer insulating oil.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a loaded DC motor, if the brushes are given a shift from the interpolar axis in the direction of rotation, then the commutation will

 deteriorate and the speed falls.
 improve and the speed falls.
 improve and the speed rises.
 deteriorate and the speed rises.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Flux density under trailing pole tips in case of generator will

 either increase or decrease
 increase
None of these
 decrease

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following is/are the advantages of carbon brush over the copper brush?

 They are self lubricating in nature
All of these
 They are not hard as copper brush
 In case of any sparking they will be less damaged than copper brushes

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
↑