• 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
A voltmeter gives 120 oscillations per minute when connected to the rotor of an induction motor. The frequency is 50Hz. The slip of the motor is

 5%
 2%
 25%
 4%

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In travelling cranes for swing action which motor is preferred?

  Capacitor type induction motors.
  AC slip ring IM.
  DC series motor.
  Reluctance motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In salient pole synchronous machine, if direct axis reactance and quadrature axis reactance is equal, then power developed due to reluctance is

 infinite value
 any of the above
 maximum
 zero

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The teeth in the armature of a DC machines are sometimes skewed. This is done to reduce

 eddy electric current loss.
 copper loss.
 vibrations.
 hysteresis loss.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a transformer which of the following losses are zero?

All of these
 Iron loss
 Rotational loss
 Copper loss

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a 2 pole lap winding dc machine , the resistance of one conductor is 2Ω and total number of conductors is 100. Find the total resistance

 100Ω
 50Ω
 10Ω
 200Ω

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
↑