• 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
Hopkinson test is conducted under which of the following condition?

 any of the above
 half load
 no load
 full load

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 3 stack stepper motor has 12 teeth on stator as well as on rotor. Determine the step size when each stack excited?

 45°.
 24°.
 30°.
  10°.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In one 132 / 33 kV transformer the LV resistance is 0.02 per unit. The resistance referred to HV side is

  0.02 pu.
 0.01 pu.
 0.16 pu.
  0.08 pu.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What is power factor of a 3 - φ induction motor at no load?

  Equal to 1.
  High.
  Low.
  Same as full load.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In dc machines, the field-flux axis and armature-mmf axis are respectively along

 direct axis and interpolar axis
 quadrature axis and direct axis
 quadrature axis and interpolar axis
 direct axis and indirect axis

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 240 V, dc shunt motor draws 15 A while supplying the rated load at a speed of 80 rad/s. The armature resistance is 0.5 W and the field winding resistance is 80 W. The net voltage across the armature resistance at the time of plugging will be

 474 V
 234 V
 6 V
 240 V

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
↑