• 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 noise resulting from vibrations of lamination set by magnetic forces, is termed as

 zoom.
  hum.
 boo.
 magnetostriction.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Autotransformer makes effective saving on copper and copper losses, when its transformation ratio is equal to

  very low
  approx to one.
  greater than one.
  less than one.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Counter emf of a DC motor

 aids applied voltage.
 regulates its armature voltage.
 helps in energy conversion.
 exceeds supply voltage

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The armature of DC motor is laminated

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

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Width of a carbon brush should be equal to

 the width more than 3 commutator segment.
 the width of the 1 to 2 commutator segment.
 less than the width of commutator segment.
 the width of the 2 to 3 commutator segment.

ANSWER DOWNLOAD EXAMIANS APP
  • «
  • 1
  • ...
  • 23
  • 24
  • 25
  • 26
  • 27
  • ...
  • 203
  • »

GO TO PAGE

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
↑