• 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
If the applied voltage to a dc machine is 230 V, then the back emf, for maximum power developed, is

 115 V
 200 V
 230 V
 460 V

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In which of the following speed control of DC motor the speed obtained is below than the rated speed?

 Any of above.
 Armature voltage control.
 Field resistance control.
 Armature circuit resistance control.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In shapers and slotters which motor are preferred?

  Synchronous motor.
  Slip ring IM.
  Squirrel cage IM.
  Double cage motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of these types of motor is self starting?

  Single phase induction motor.
  None of these.
  Poly-phase induction motor.
  Poly-phase synchronous machine.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
When Flemings right hand rule to find the direction of induced emf, the thumb points towards

 opposite to the direction of motion of the conductor.
 direction of motion of the conductor.
 direction of flux.
 direction of induced emf.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
An auto transformer having a transformation ratio of 0.8 supplies a load pf 10 KW. The power transfered inductively from the primary to secondary is

 0.
 8 KW.
 10 KW.
  2 KW.

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
↑