• 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
If a DC Series motor is connected across an AC supply it will

 run at normal speed.
 burn.
 run at lower speed.
 not run.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Select the motor that should not be started on no load?

  Series motor.
 Shunt motor.
 Compound motor.
 Brushless DC motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Dynamic braking is employed to brake

None of these
 both 1 and 2
 non reversing drive
 reversing drive

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a DC generator in case the brushes are moved so as to bring them in magnetic neutral axis, then, there will be

  cross-magnetization as well as demagnetization.
  cross-magnetisation.
 demagnetisation.
  none of above.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Minimum allowable resistivity of power transformer insulating oil is generally taken as

 2 X 1012 Ω - cm at 27°C and 0.2 X 1012
 4 X 1012 Ω - cm at 27°C and 0.4 X 1012
  1 X 1012 Ω - cm at 27°C and 0.1 X 1012
 3 X 1012 Ω - cm at 27°C and 0.3 X 1012

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The torque developed in IM is nearly proportional to

  V.
  1 / V.
 1 / V2.
  V2.

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
↑