• 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
In a synchronous motor, damper windings are provided on

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

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 3 - Φ slip ring motor has

  double cage rotor.
  short-circuited rotor.
  any of the above.
  wound rotor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For higher values of armature, the speed of a DC series motor is

  Constant.
 Proportional to armature current.
 Proportional to the square of armature current.
 Inversely proportional to armature current.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Iron losses in a DC machine are independent of variation in

  speed and voltage.
 speed.
  load.
  voltage.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Find the developed torque DC Series Motor having armature resistance of 0.2 Ω and taking armature current of 60 A is connected to 250 V supply. Considered brush drop of 1 V each.

 266.20 N-m.
 cant be determined.
 234.76 N-m.
 133.22 N-m

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For a dc machine shunt resistance and armature resistance values are

 high and high
 high and low
 low and high
 low and low

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
↑