• 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
Oil is provided in an oil filled transformer for

  both cooling and insulation.
 lubrication.
  insulating.
 cooling.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The reduced air gap results in an increase

  starting torque.
  breaking torque.
  power factor.
  cost of operation.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Number of slip rings in 3-phase synchronous motor will be

 0
 1
 3 or 4
 2

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a transformer zero voltage regulation is achieved at a load power factor which is

 lagging
 leading
 unity
 zero

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In shunt dc motor the direction of rotation of the motor will reversed. When

  only field terminals are changed.
  only armature terminals are reversed.
  either field terminals are reversed or armature terminals are reversed.
  none of above.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a DC generator, the ripples in the direct emf generated are reduced by employing

  commutator with large number of segments.
  equalizer rings.
  carbon brushes.
 graphite 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
↑