• 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
Stepper motor is used in

All of these
 food processing
 computer printers
 traction

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a synchronous machine, if φ is the flux per pole and f is the frequency of the emf induced E then

 E ∝ φ/f
 E ∝ φf
 E ∝ f/φ
 E ∝ 1/(φf)

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For the speed control of polyphase squirrel cage induction motor, if frequency of operation is decreased with

 constant V, Tst increases
 constant supply voltage V, starting torque Tst decreases
None of these
 either of these

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The wound rotor type IM is used for____________ speed operation.

  maximum.
  variable.
  constant.
  minimum.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Armature reaction effect is more in which of the following methods?

 armature resistance control
 field weakening method
 same in both methods
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In DC shunt motor if load is increased, the speed

 reduce slightly.
 remains constant.
 increase proportional.
 increased slightly.

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
↑