• 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?

 80W
 100W
 40W
 60W

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Example of double excited machine is

None of these
 Both are correct.
 DC Shunt Motor
 Synchronous motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What is the shunt resistance component equivalent circuit obtained by no load test of an induction motor representative of ?

 windage and friction loss
 core loss only
 Copper loss
 both 1 and 2

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Direction of the current in the compensating winding is________ to the direction of current in the armature conductors?

None of these
 same
 exactly opposite
 either of these

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Hunting in a synchronous cannot be due to

  variable load.
  windage friction.
  variable frequency.
  variable supply voltage.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Maximum power developed by a synchronous motor depends on

 supply voltage and excitation
 supply voltage, load angle and excitation
 excitation and load angle
 supply voltage and load angle

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
↑