• 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
Universal motor have which of the following application?

  Lift.
  Domestic pump.
  Traction.
  Food mixer.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The field divertor resistance for a DC series motor is of order of

 10 Ω
 100 Ω
 0.1 Ω
 50 Ω

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A dc shunt generator has full-load voltage regulation of 10% at rated speed of 1000 rpm. If it is now driven at 1250 rpm, then its voltage regulation at full load would

 be 12.5%
 be more than 10%
 remain unchanged
 be less than 10%

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A DC 4 pole lap wound generator is running at 1000 rpm having 1200 conductors and flux density is 10 mwb. find the generated emf?

 200V
 10V
 20V
 100V

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The armature resistance of a permanent magnet dc motor is 0.8 Ohm. At no load, the motor draws 1.5 A from a supply voltage of 25 V and runs at 1500 rpm. The efficiency of the motor while it is operating on load at 1500 rpm drawing a current of 3.5 A from the same source will be

 59.2%.
 48.0%.
 88.8%.
 57.1%.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The speed of a cumulatively compound DC motor can be controlled by varying

 Shunt field resistance control.
 Armature resistance control.
 Armature voltage control.
 Any of above.

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
↑