• 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
In DC generator, which component plays the vital role to produce the direct current?

 Armature.
 Brush.
 Yoke.
  Commutator.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The output power indicated on the name plate of any motor is always the

 Power drawn in KW.
 Output power at the shaft.
 Power drawn in KVA.
 Gross power.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
An IM cannot run at synchronous speed because

  induction motor will become synchronous motor.
  none of above.
  air friction will prevent it.
  rotor torque will not be produced.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
When a synchronous motor is running at synchronous speed, the damper winding produces

 eddy current torque.
 damping torqe.
 no torque.
 both 1 and 2.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In DC generators, the cause of rapid brush wear may be

 any of above.
 rough commutator surface.
 imperfect contact.
 severe sparking.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In induction motor wound rotor motor is mainly is used in application where

 power factor is less.
  less costly motor is not required.
  high starting torque.
  low starting torque.

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
↑