• 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
Motors for fans and pumps are selected in the rpm range

  1440 to 2880.
  720 to 920.
  375 to 500.
  500 to 720.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The power developed by salient pole synchronous machine is/are

 excitation power only
None of these
 both 1 and 2
 power due to saliency or reluctance only

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Capacitor in split phase induction motor is used to

 start the motor.
 improve the starting torque.
 reduce the harmonics.
 improve the power factor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If dimension of all the parts of a synchorous generator and the number of field and armature turns are double, then generated voltage will change by a factor of

  8.
 1.
 2.
 4.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following machine will have maximum efficiency?

 Induction motor.
 Electrical power generator.
 DC motor.
  Electrical power transformer.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If B is flux density, l the length of the conductor and v the velocity of the conductor, then emf is given by

 Blv.
 Bl2v2.
 Blv2.
 Bl2v.

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
↑