• 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 speed regulation of a DC motor is given as

 (NnL − NfL)/NfL.
 NnL − NfL.
 (NfL − NnL)/NnL.
 NnL/NfL.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A smaller air gap in a polyphase induction motor helps to

  reduce the chance of crawling.
  reduce the chance of cogging.
  reduce the magnetizing current.
  increase the starting torque.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In case of a conductively compensated DC series motor, the compensating winding is provided

 In parallel with the armature winding.
  In series with the armature winding.
 In parallel with the field winding.
 As a separate unit.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In electric locomotives which of the following motor are used ?

 Synchronous motor.
 DC series motor.
 DC compound motor.
 DC Shunt motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A triangular mmf wave is produced in the air gap of an electric machine. Such wave is produced by

 stator of a induction machine.
 stator of a dc machine.
 rotor of an synchronous machine.
 rotor of a dc machine.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a transformer, hysteresis and eddy current losses depend upon

 both 2 and 3
 load current
 maximum flux density
 supply frequency

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
↑