• 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
The current drawn by the a 230 V DC motor of armature resistance 0.5 Ω and back emf 200 V is

 600
 40
 660
 60

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
DC machine windings are

None of these
 full pitched
 either of these
 short pitched

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Regenerative braking is not found in which motor?

 Induction motor.
  DC series.
 DC compound.
 DC shunt.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 200 V DC machine supplies 20 A at 200 V as a generator. The armature resistance is 0.2 Ω. If the machine is now operated as a motor at same terminal voltage and current but with the flux increased by 10%, the ratio of motor speed to generator speed is

 0.87
 0.96
 1.06
 0.95

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Iron loss in a transformer mainly occurs in

 iron made tank of transformer.
 winding of transformer.
 transformer insulating oil.
 steel core in transformer.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A crusher is equipped with

 Slip ring induction motor.
 DC shunt motor.
 Synchronous motor.
 Reluctance 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
↑