• 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
In a DC Shunt Motor if the load current increases then field flux

 decreases.
 decreases
 remains constant.
 increases.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The mechanical power is developed by a DC motor is maximum when

 back emf is equal to applied voltage.
 back emf is equal to twice of applied voltage.
 back emf is equal to half of applied voltage.
 none of above.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following are variable losses?

 hysteresis loss
 armature copper loss
 shunt field copper loss
 eddy current loss

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
An electric motor with constant output power will have a torque speed characteristics in the form of a

 Straight line through the origin.
 Straight line parallel to the speed axis.
 Circle about the origin.
 Rectangular hyperbola

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In travelling cranes for hoisting and lowering which type of motor is preferred?

  Single phase induction motor.
  AC slip ring motor.
  DC series motor.
  Synchronous motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The induction motor shaft is made of

  aluminium.
  cast iron.
  stainless steel.
  mild steel.

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
↑