• 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
Which of the following is not a part of transformer?

 Tap changer.
 Conservator tank.
  Commutator.
 Radiator.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If an AC servomotor has one of its winding excited by AC, then voltage measured at the other winding with rotor running will be

 proportional to square of rotor speed.
 zero.
 constant independent of speed.
  proportional to rotor speed.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A DC 4 pole lap wound generator is running at 1000 rpm having 1200 conductors and flux density is 10 mwb. find the generated emf?

 200V
 20V
 100V
 10V

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 3-phase, 50 Hz, 4 pole induction motor is running at 1440 rpm. Find the rotor efficiency?

 96%
 95%
 92%
 94%

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In DC motors, under trailing pole tips, flux density will_______ ?

 decrease
None of these
 increase
 either increase or decrease

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In DC machines internal characteristics are plotted between

 Eg vs Ia
 Eg vs load current
 Vt vs load current
 Vt vs Ia

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
↑