• 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

  EIa.
  EbIa2.
  EbIa.
  none of these.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A three phase induction motor has a synchronous speed of 1500 rpm the machine runs at 1460 rpm at a particular load. The slip at this load is ___________.

  30 %.
 5 %.
  2.67 %.
 1.5 %.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For same HP rating and full load speed which of following motor has poor starting torque?

 Differently compounded.
 Cummulative compound.
 Shunt.
 Series.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Dynamic braking is very effective for

 separately excited motors.
 shunt motors.
 series motors.
 differential compound motors.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Swinburne's test is applicable to

 DC compound motor.
 DC shunt and level Compound motor.
 DC Shunt motor.
 DC series motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A separately-excited dc motor has an armature resistance of 0.5 Ω. It runs off a 250 V dc supply Drawing an armature current of 20 A at 1500 rpm. The torque developed for an armature current Of 10 A, for the same field current, will be

 15.28 Nm
 15.92 Nm
 15.6 Nm
 16.55 Nm

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
↑