• 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
If the full load speed of 3-phase, 50Hz induction motor is 950 rpm, what is its half load speed nearly equals to?

 940 rpm
 1000 rpm
 975 rpm
 950 rpm

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 220 V DC generator is run at full speed without any excitation. The open circuit voltage will be

  zero.
  220 V.
  about 2 V.
  about 50 V.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If terminal voltage of one 1000 rpm shunt motor is reduced to half the speed of the motor will be

 1000 rpm
 250 rpm
 500 rpm
 2000 rpm

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A flat compound generator is obtained from compound generator by connecting a variable resistor

 in parallel with the shunt field
 in parallel with the series field
 in series with the series field
 in series with the shunt field

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In DC generator, full form of MNA is what?

 Magnetically no-load armature co-ordinate.
 Magnetic neutral armature co-ordinate.
  Magnetic neutral axis.
 Magnetic no-load axis.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The ventilating ducts in most of DC machine are

 radial.
 radial as well as longitudinal.
 none of these.
 longitudinal.

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
↑