• 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 8 pole, 50 Hz single phase induction motor is running at 690 rpm. Its slip with respect to forward field is

 -0.08
 0.08
 -1.92
 1.92

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Unbalanced supply voltage given to a 3 - φ, delta connected induction motor will cause

  negative sequence current.
  all of these.
  less heating of the rotor.
  less heating of the rotor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If the field current is reduced to zero the maximum power developed by alternator is

 5.46 KW.
 0.9103 KW.
 1.644 KW.
  2.73 KW.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
DC series motor is best suited for electric traction as

  It develops high starting torque.
 It consume less power.
 It is cheaper in cost.
 It runs at very high speed at light load.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 3 - Φ, 4 pole, 50 Hz induction motor 4 % slip, calculate frequency of the rotor emf?

  2 Hz.
 10 Hz.
  3 Hz.
 50 Hz.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a 3 - Φ wound rotor induction motor the short circuit gear is used to short circuit the

  starting resistance in the starter.
None of these
  stator phases of the motor.
  rotor at slip rings.

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
↑