• 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 armature reaction mmf in a DC machines has a form of

 sinusoidal.
 trapezoidal.
 rectangular.
  triangular.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following motor used in hair dryers?

  Cage induction motor.
  Synchronous motors.
  Shaded pole IM.
  Split phase IM.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
To get the speed of DC motor more than normal without wastage of electrical energy _____________ is used.

 none of above.
 any of above method.
 rheostatic control.
 Ward Leonard control.

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Flux density under trailing pole tips in case of generator will

 either increase or decrease
 increase
None of these
 decrease

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What happens if fifth multiples of harmonics is given to induction motor?

  It will rotates in normal operation.
  Either short circuit or open circuit occurs.
  It will rotates in reverse direction.
  Fail to start.

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
↑