• 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 output power of a dc motor is given by

  EIa.
  EbIa.
  none of these.
  EbIa2.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The output voltage of a DC generator is

 E = V – IaRa.
 E = V + Ia.
 E = V + Ra.
  E = V + IaRa.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If the back emf in DC motor vanishes suddenly the motor will

 burn.
 run at very low speed.
 run at very high speed.
 start haunting.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For higher values of armature, the speed of a DC series motor is

  Constant.
 Inversely proportional to armature current.
 Proportional to armature current.
 Proportional to the square of armature current.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Field weakening method is also called as-----------?

 constant current control
 constant torque control
 constant voltage control
 constant power control

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a 3 - φ induction motor running at full load which of these parameters is stationary with respect to the stator mmf wave?

  Stator winding.
  Rotor winding.
  Rotor mmf wave.
  Both rotor and stator winding.

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
↑