• 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 induction motor has synchronous speed of 1500 rpm. What will be the slip when it is running at a speed of 1450 rpm?

 +3%
 +3.33%
 -3.33%
 -3%

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A transformer core is made up of a silicon steel laminations which has maximum flux density 1 Tesla. If it was cold rolled grain oriented its flux density increases to 1.6 Tesla. What is the saving in core size or area due to cold rolled grain oriented process?

 68%
 40%
 38%
 60%

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The induction motor shaft is made of

  stainless steel.
  cast iron.
  aluminium.
  mild steel.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In IM the rotor lamination can be ________________ than stator laminations.

  thinner.
  rotor can not have any laminations.
  sipper.
  thicker.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a DC generator, the ripples in the direct emf generated are reduced by employing

  commutator with large number of segments.
  equalizer rings.
 graphite brushes.
  carbon brushes.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Tappings of a transformer are provided

 at the middle of hv side
 at the phase end of hv side
 at the phase end of lv side
 at the neutral side end of hv side

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
↑