• 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
If we increase the rotor reactance value, the maximum torque will

 increase
 decrease
 not changed
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Under commutation results in

  no sparking.
  sparking at the middle of the brush.
  sparking the trailing edge of the brush.
  sparking at the leading edge of the brush.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Rotating magnetic field is produced in an induction motor because of

  either stator winding or rotor winding.
  stator winding.
  rotor winding.
None of these

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

Electrical Machines
Type of single phase motor having highest power factor at full load is

  shaded pole type.
  split phase.
  capacitor run.
  capacitor start.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The power input to a 3 - φ induction motor is 60 kW and stator loss is 1 kW the rotor cu loss per phase is

 1.
  slip X 50 / 3.
  slip X 59 / 3.
  slip X 69 / 3.

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
↑