• 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
What will be the maximum power factor of an induction motor for dispersion coefficient of 0.05?

 1.1.
 20.
  0.05.
  0.905.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which DC motor will have least percentage increase of input current, for the same percentage increase in the torque

 DC Series Motor
 Separately Excited DC Motor
 Compound Wound DC Motor
 DC Shunt Motor

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The low voltage winding of a 400/230 V single phase 50 Hz transformer is to be connected to keep the magnetization current at the same level in both the cases the voltage at 25 Hz should be

 65 V
 115 V
 460 V
 230 V

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
When a synchronous motor is running at synchronous speed, the damper winding produces

 both 1 and 2.
 no torque.
 damping torqe.
 eddy current torque.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In case of induction motors the ratio of length to pole pitch for minimum cost, is taken as

  1.5 to 2.
 2 to 3.
 1.0.
 3 to 5.

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
↑