• 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 which transformer, the tertiary winding is used?

 Star - star
 Delta - star
 Star - delta
 Delta - delta

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In star-delta starting of squirrel cage induction motor compared to DOL starting the starting current and torque are

 1/√3, 1/3
 1/√3, 1/√3
 1/3, 1/√3
 1/3, 1/3

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
Rotating magnetic field is produced in an induction motor because of

  stator winding.
  either stator winding or rotor winding.
None of these
  rotor winding.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In an alternator the voltage generated per phase is proportional to

All of these
  number of turns in coil.
  flux per pole.
  frequency of waveform.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The effect of ------------------ on main field flux is armature reaction?

 armature flux
All of these
 armature current
 armature mmf

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
↑