• 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, 50Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor output power?

 1820W
 1920W
 2000W
 1450W

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The rotor winding for a 3-phase slip-ring induction motor having delta-connected stator must be connected in

  delta or star according to need.
  star.
None of these
  delta.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Scott connections are used for

 single phase to three phase transformation.
 three phase to two phase transformation.
 any of the above.
 three phase to single phase transformation.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The use of double squirrel cage winding on the rotor provides

 higher efficiency.
  a large starting torque.
 low noise.
 reduced starting torque.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In dc motors, under leading pole tips flux density will--------?

 decrease
 either increase or decrease
None of these
 increase

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
No load test on induction motor is conducted to find which of the following losses?

 Rotational loss
All of these
 Stator copper loss
 Stator core loss

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
↑