• 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 output power of a dc motor is given by

  EbIa.
  none of these.
  EbIa2.
  EIa.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 3-phase, alternator has generated emf per phase of 230 V with 10% 3rd harmonic and 6% 5th harmonic content. Calculate rms line voltage for star connection.

 50 V.
 100 V.
  230.2 V.
 399 V.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Slip exists in

  induction motor.
  none of above.
  in both machines.
  synchronous motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 4 pole 50 Hz induction motor is running at 1470 rpm. What is the slip value?

 0.4
 0.2
 0.04
 0.02

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Centrifugal switch is absent in which of the single phase induction motor?

None of these
 Shaded pole motor.
 Split phase motor.
  PSC (permanent split capacitor) motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In which transformer, the tertiary winding is used?

 Delta - star
 Star - star
 Star - delta
 Delta - delta

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
↑