• 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 a conductor rotating in a bipolar field is

 both of above.
 AC.
None of these
 DC.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If s is the slip and f is the supply frequency of an induction motor, the frequency of rotor current is given by

  sf.
  f / s.
  sf / 2.
  s2.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
To have sparkless commutation, the armature reaction effect in a DC machine is neutralized by

 increasing field excitation.
 fixing the brush axis inline with the pole axis.
  compensating winding and commutating poles.
 shifting the brush axis from GNA to MNA.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The wound rotor type IM is used for____________ speed operation.

  constant.
  minimum.
  variable.
  maximum.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The output power indicated on the name plate of any motor is always the

 Power drawn in KVA.
 Power drawn in KW.
 Output power at the shaft.
 Gross power.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of following DC generator will be in a position to build up without any residual magnetism in the field?

  Separately excited.
  Compound.
  Series.
 Shunt.

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
↑