• 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
If the applied voltage of a DC motor is 230 V, then back emf, for maximum power developed is

 115 V.
 200 V.
 460 V.
 230 V.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If the excitation is reduced, the power factor is

 unity power factor
None of these
 lagging power factor
 leading power factor

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What will be the eddy current loss if the supply frequency of a transformer becomes double?

 Eight times.
 Four times.
 Remains same.
 Doubled.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A dc motor with armature resistance of 0.5 ohms connected directly to a 230 Volt supply. If the armature is stationary then the current flowing through armature is

 250 A.
  340 A.
 570 A.
  460 A.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following DC Motor requires 3 point starter?

  Shunt, compound and series motor.
  Shunt motor.
  Shunt motor as well as compound motors.
  Series motor.

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
↑