• 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 torque speed characteristics of a AC servomotor is approximately

 parabola
 any of the above
 linearised
 hyperbola

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Lamination of transformer core is made of

  cast iron.
 cast steel.
 wrought iron.
  silicon steel.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The direction of rotation of a 3 - Φ induction motor can be reversed by

  transposing any two leads from supply.
  transposing any two leads from slip rings.
  transposing all the three leads from the supply.
  disconnecting any one phase.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The armature core of a DC machine is laminated to minimise

 temperature rise
 eddy-current loss
 mechanical loss
 hysteresis loss

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Transformer action requires a

 increasing magnetic flux.
 alternating magnetic lux.
 constant magnetic flux.
 alternating electric flux.

ANSWER DOWNLOAD EXAMIANS APP

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

 1
 0
 2
 3 or 4

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
↑