• 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
Open circuit test on transformer gives

 both 1and 2
 copper loss
 eddy current loss
 hysteresis loss

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The efficiency of a transformer is mainly dependent on

 stray losses.
 copper losses.
 dielectric losses.
 core losses.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If the field winding connection of DC shunt motor is changed

 motor will not run.
  It will run in opposite direction.
 It will run in same direction.
 motor will become slow.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If B is flux density, l the length of the conductor and v the velocity of the conductor, then emf is given by

 Blv.
 Blv2.
 Bl2v2.
 Bl2v.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Capacitor in split phase induction motor is used to

 improve the starting torque.
 improve the power factor.
 reduce the harmonics.
 start the motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The speed of a motor falls from 1100 r.p.m at no-load to 1050 r.p.m at rated load. The speed regulation of motor is

 2.56 %.
 2.57 %.
 3.76%.
 4.76%.

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
↑