• 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 power flow of a dc motor, with respect to a DC generator is

  increased.
  modified.
  reversed.
  none of these.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The slight curvature at the lower end of the OCC of a self excited DC generator is due to

  residual flux.
  high field resistance.
  high speed.
  magnetic inertia.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For a dc machine shunt resistance and armature resistance values are

 high and low
 high and high
 low and high
 low and low

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The direction of rotation of a DC compound motor can be reversed by interchanging

 armature connections.
 series field connections.
 shunt field connections.
 armature or field connections.

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

 infinity.
 two.
  unity.
 zero.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following methods are used to control the speed of DC motors is

All of these
 supply voltage control
 armature circuit resistance control
 field current control

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
↑