• 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 field current is reduced to zero the maximum power developed by alternator is

 5.46 KW.
 1.644 KW.
  2.73 KW.
 0.9103 KW.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The principle of dynamically induced emf is utilized in

 generator.
 choke.
 transformer.
 thermocouple.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In which of the following motors DC excitation is not required?

 reluctance motor
 hysteresis motor
 3-phase synchronous motor
 3-phase synchronous generator

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
To eliminate 5th harmonic in the induced voltage phase breadth should be

 30°
 72°
 18°
 36°

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The torque angle, in a synchronous motor, is the angle between

  the supply voltage and the back emf.
None of these
  magnetizing electric current and back emf.
  the rotating stator flux and rotor flux.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Find the number of poles required, when the frequency is 50Hz and speed of the motor is 500 rpm?

 24
 12
 10
 5

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
↑