• 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.
  stainless steel.
  mild steel.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In synchronous motor the torque is proportional to

 Power P
 P²
 1/P²
 1/P

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Induction motors normally use cast aluminium rotor because aluminium is

  of low resistivity.
  easy to cast owing to its low melting point and is easily available.
  lighter in weight.
  cheaper in cost.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 3 - Φ, 12 pole, 600 V, 50 Hz star connected IM has rotor resistance and stand still resistance of 0.03 Ω and 0.5 Ω respectively. The speed of maximum torque will be

 450 rpm.
  240 rpm.
  470 rpm.
 540 rpm.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following motor is more expensive for same KW output rating ?

 Synchronous motor.
 AC single phase motor.
 DC Shunt Motor
 Induction motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For a transformer to be tested at full load conditions but consuming only losses from the main, we do

 OC and SC tests
None of these
 load test
 back to back test

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
↑