• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

DC Motors

DC Motors
A direct on line starter is used for starting motors

Upto 20 HP
Upto 5 HP
Upto 15 HP
Upto 10 HP

ANSWER DOWNLOAD EXAMIANS APP

DC Motors
Compensating winding in a dc machine is placed

On yoke in the interpolar gap
On armature
None of the listed here
On yoke in the pole faces

ANSWER DOWNLOAD EXAMIANS APP

DC Motors
In a dc machines the residual magnetism is of the order of

50 to 75 percent
2 to 3 percent
10 to 15 percent
20 to 25 percent

ANSWER DOWNLOAD EXAMIANS APP

DC Motors
A dc series motor is that which

Has its field winding consisting of thick wire and less turns
Has almost constant speed
Has a poor torque
Can be started easily without load

ANSWER DOWNLOAD EXAMIANS APP

DC Motors
The torque developed by a dc motor is directly proportional to

Flux per pole × armature current
Armature resistance × applied voltage
Armature resistance × armature current
None of the listed here

ANSWER DOWNLOAD EXAMIANS APP

DC Motors
If a dc motor is comnected across the AC supply it will

Run at lower speed
Run at normal speed
Not run
Burn due to heat produced in the field winding by eddy currents

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON DC Motors

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
↑