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

QUESTIONS

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

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

ANSWER DOWNLOAD EXAMIANS APP

DC Motors
If the speed of a dc shunt motor is increased the back emf of the motor will

Become zero
Remains same
Increase
Decrease

ANSWER DOWNLOAD EXAMIANS APP

DC Motors
What will happen if the back emf of a dc motor vanishes suddenly?

The motor will run noisy
The motor will stop
The armature may burn
The motor will continue to run

ANSWER DOWNLOAD EXAMIANS APP

DC Motors
When two dc series motor are commected in parallel, the resultant speed is

Loss than the normal speed
Zero
Normal speed
More than the normal speed

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics & Fluid Mechanics
The position of center of pressure on a plane surface immersed vertically in a static mass of fluid is

None of these
at the centroid of the submerged area
always above the centroid of the area
always below the centroid of the area

ANSWER DOWNLOAD EXAMIANS APP
  • «
  • 1
  • ...
  • 438
  • 439
  • 440
  • 441
  • 442
  • ...
  • 15170
  • »

GO TO PAGE

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
↑