• 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
 hysteresis loss
 copper loss
 eddy current loss

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a transformer the magnetic coupling between the primary and secondary winding can be increased by

 using transformer oil of better quality.
 using soft material for winding.
 using the magnetic core of low reluctance.
 increasing the number of turns.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
An inverted V-curve of synchronous motor shows the variation of

 power factor and dc excitation at constant load
 supply voltage and field current at constant excitation
 power factor and supply voltage during hunting
All of these

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In case of a compensated DC series motor, the compensating winding is provided

 In parallel with the field winding.
 In parallel with the armature winding.
  In series with the armature winding.
 As a separate unit.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Torque developed in the rotor is

 inversely proportional to slip
 not dependent on the slip
 either of these
 directly proportional to slip

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which one of the following statement is correct ? In an induction motor if the air gap is increased then

 its power factor will reduce
 its speed will reduce
 its efficiency will improve
 its speed will increase

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
↑