• 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
An ideal DC generated is one that has _____________ voltage regulation.

 negative.
 low.
 positive.
  zero.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In DC generators, the cause of rapid brush wear may be

 imperfect contact.
 severe sparking.
 any of above.
 rough commutator surface.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following pairs is/are correct?

 closed slot----- leakage flux is high
 semi closed slot-----leakage flux is moderate
All of these
 open slot----- leakage flux is less

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The heat transfer by convection in a transformer least depends on

 air velocity.
  color of the paint.
 surface area.
 temperature difference.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
At slip s = 1 torque developed in machine is

  electromagnetic torque.
  none.
  starting torque.
  maximum torque.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Thin laminations are used in a machine in order to reduce

 Eddy current losses
 Hysteresis losses
 Both 1 and 2
 Copper losses

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
↑