• 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
Quadrature axis synchronous reactance is the ratio of

 Vmin to Imin.
 Vmax to Imax.
 Vmax to Imin.
 Vmin to Imax.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a DC Shunt Motor the speed can be increased by

 Increasing the armature current.
 Increasing the field current.
 Increasing the field current.
 Decreasing the field current.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Slip test is performed to determine

 positive sequence reactance and negative sequence reactance
All of these
 direct axis reactance and quadrature axis reactance
 slip

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What happens if fifth multiples of harmonics is given to induction motor?

  It will rotates in normal operation.
  Fail to start.
  Either short circuit or open circuit occurs.
  It will rotates in reverse direction.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If an additional resistance is connected in series with a DC series motor operating at rated speed, the speed of the motor will

 Increase.
 Remain unaltered.
 Oscillate around the normal speed.
 Reduce.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The torque angle, in a synchronous motor, is the angle between

  magnetizing electric current and back emf.
  the rotating stator flux and rotor flux.
None of these
  the supply voltage and the back emf.

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
↑