• 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
A 3-phase, 50 Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor copper loss?

 100W
 60W
 40W
 80W

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Two windings provided on the stator of 1-phase induction motor, one main winding and the other auxiliary winding are connected

 in series
 through inductive coupling
 in parallel
 either of these depending on the design of the motor

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
At what power factor, the voltage regulation of a transformer can be zero ?

  Leading power factor.
 Zero power factor.
 Lagging power factor.
 Unity power factor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
At stand still condition the value of slip is

 finite value
 0
 1
 infinite value

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The ventilating ducts in most of DC machine are

 none of these.
 radial.
 radial as well as longitudinal.
 longitudinal.

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
↑