• 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
When maximum starting torque is obtained, rotor power is

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If input of a transformer is square wave the output will be

  pulsed wave.
 square wave.
 triangular wave.
 sine wave.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The shaft torque of a dc motor is less than the electromagnetic torque because of

  eddy current losses.
  hysteresis losses.
  mechanical losses.
  ohmic losses.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Transformer core is laminated to reduce

 both 1 and 2.
 copper loss.
 hysteresis loss.
 eddy current loss.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In dc motors, under leading pole tips flux density will--------?

None of these
 either increase or decrease
 increase
 decrease

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following methods are used to control the speed of DC motors is

 field current control
 armature circuit resistance control
 supply voltage control
All of these

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
↑