• 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
Maximum allowable moisture content of power transformer insulating oil is generally taken as

 45 ppm.
 25 ppm.
  35 ppm.
 20 ppm.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a synchronous motor, damper windings are provided on

  pole faces.
None of these
  stator frame.
  rotor shaft.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The three point starter is used for

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

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following DC generators has rising V-I characteristics?

  Series.
  Compound.
  Shunt.
  None of them.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Maximum allowable tan - delta (tanδ) of dielectric dispassion factor of power transformer insulating oil is generally taken as

 0.5 at 90°C.
 2 at 90°C.
  1 at 90°C.
 3 at 90°C.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If the number of rotor slots is equal to number of stator slots, then motor refuses to start. Hence it is known as

  crawling.
  cogging.
  air gap.
  relative speed.

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
↑