• 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
For the purpose of starting an induction motor, star/delta switch is an equivalent to auto transformer of ratio

 57.7%
 50%
 66.3%
 33.3%

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A DC series motor is accidentally connected to single phase ac supply voltage. The torque produced will be

 steady and unidirectional
 oscillating
None of these
 pulsating and unidirectional

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The shaft of induction motor should be

  flexible.
  hollow.
  any of these.
  stiff.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 4 pole dc generator is running at 1500 rpm the frequency of current in the armature winding is

 200Hz.
 100Hz.
 150Hz.
 50Hz.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
During no load test, an induction motor draws power

  only for the small copper loss.
  for copper loss and windage friction loss.
  for core loss and copper loss.
  for core loss and windage and friction loss.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
We can apply source transformation to voltage source when a resistance is connected to it in

  13 HP.
 14 HP.
  10 HP.
 15 HP.

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
↑