• 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
Hysteresis loss is proportional to

 f3.
 f1.5.
  f.
 f2.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The magnetic field which initially induces emf in the armature in a self excited DC generator is because of

None of these
  residual magnetism.
 armature reaction.
  permanent magnets.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If the excitation is reduced, the power factor is

 leading power factor
 lagging power factor
None of these
 unity power factor

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Two synchronous generators operating in parallel 200 MW and 400 MW respectively. The drooping characteristics of their governors are identical as 4% from no load to full load. Consider the governors operating at 50Hz on no load. What is the operating frequency, if the load is 600 MW?

 48 Hz
 48.5 Hz
 45 HZ
 50 Hz

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which type motors are preferred for lathes?

 Squirrel Cage induction motor.
 DC shunt motors.
 Either A or B.
 Synchronous motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What does happen if tripled harmonics given to induction motor?

  Fail to start.
  Nothing will happen.
  Will results in open circuit.
  Will results in short circuit.

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
↑