• 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
Which of the following is the largest conversion device?

 Synchronous machine
 Induction machine
All of these
 DC machine

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The no load and full load speed of DC motor are 1400 rpm and 1200 rpm respectively. What is the percentage speed regulation of the motor ?

 14.28%.
 18.25%.
 16.67%.
 15.30%.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Dissolve gas analysis of transformer oil is carried out to determine

 condition of transformer oil.
 condition of bushings.
 condition of bushing stud.
  condition of transformer.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A dc series motor driving and electric train faces a constant power load. It is running at rated speed and rated voltage. If the speed has to be brought down to 0.25 p.u. the supply voltage has to be approximately brought down to

  0.5 p.u
  0.25 p.u
  0.75 p.u
  0.125 p.u

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If an induction machine is run at above the synchronous speed it acts as

None of these
 a synchronous motor
 an induction generator
 an induction motor

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following motor is expensive for same Kw output rates?

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

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
↑