• 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
For pure resistive load what is the armature reaction?

All of these
 magnetization
 demagnetization
 cross magnetization

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Ratio of starting torque to full load torque is minimum in

  Shunt motor.
  Series motor.
  Differential compound motor.
  Cumulative compound motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following represents the pitch factor?

 Cos α
 Cos (α/2)
 sin (α/2)
 Cos α²

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following transformer insulating oil generally used in India?

  Paraffin based insulating oil.
 Olefin based insulating oil.
 Aromatics based insulating oil.
 Naphtha based insulating oil.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If an AC servomotor has one of its winding excited by AC, then voltage measured at the other winding with rotor running will be

  proportional to rotor speed.
 zero.
 proportional to square of rotor speed.
 constant independent of speed.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What is the necessity of copper brushes in a dc motors?

  To increase the flux cutting by the rotor.
  To absorb the mechanical shocks produced during running condition.
  None of these.
  To convert alternating supply current to direct current.

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
↑