• 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
What is the highest possible speed of turbo alternators?

 1000 rpm
 3000 rpm
 4000 rpm
 1500 rpm

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Resistance commutation is used generally in case of

 DC machines bellow 5 kW.
None of these
 DC machines above 10 kW.
  fractional kW DC machines.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Armature coil is short circuited by brushes when it lies

  in none of above positions.
  in any of above positions.
  along field axis.
  along neutral axis.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Saving of copper in auto transformer is increased as compared to two winding transformer, when transformation ratio K approaches to

 zero.
  unity.
 two.
 infinity.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In salient pole synchronous machine, the reluctance power varies as

 cos2δ
 cosδ
 sinδ
 sin2δ

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For standing a DC motor a starter is required because

  it limits the starting current to a safe value.
None of these
  it limits the speed of the motor.
  It starts the motor.

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
↑