• 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
The induction motor shaft is made of

  cast iron.
  aluminium.
  mild steel.
  stainless steel.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For 250 volt DC Shunt Motor the armature and field resistance are 0.5 ohm and 250 ohm respectively. What will be the back e.m.f. produced when it takes a load current of 21A.

 280 V.
 150 V.
 220 V.
 240 V.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In applied voltage is reduced in a dc shunt motor

 Full load torque.
 Full load speed.
  Full load current.
 None of these.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In DC generator, armature reaction refers to what?

  Effect of armature flux on the main field flux.
 Effect of field flux on the armature flux.
None of these
 Effect of armature flux on the load.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following DC Motor requires 3 point starter?

  Shunt, compound and series motor.
  Series motor.
  Shunt motor as well as compound motors.
  Shunt motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Value of specific electric loading of Induction motor is in the range of

 30000 - 100000 ampere conductor / metre.
  400 - 4000 ampere conductor / metre.
 40 - 400 ampere conductor / metre.
  5000 - 45000 ampere conductor / metre.

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
↑