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

Theory of Machine

Theory of Machine
The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is

6 Hz
3π Hz
3 Hz
6π Hz

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
When the load on the engine increases, it becomes necessary to increase the supply of working fluid and when the load decreases, less working fluid is required. The supply of the working fluid to the engine is controlled by a

Meyer's expansion valve
Governor
D-slide valve
Flywheel

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
In under damped vibrating system, if x₁ and x₂ are the successive values of the amplitude on the same side of the mean position, then the logarithmic decrement is equal to

x₁/x₂
log(x₁.x₂)
loge(x₁/x₂)
log(x₁/x₂)

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
When the sleeve of a Porter governor moves upwards, the governor speed

Increases
First increases and then decreases
Remain unaffected
Decreases

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
When the pitching of a ship is __________ the effect of gyroscopic couple acting on it will be to move the ship towards port side.

Downward
Forward
Backward
Upward

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂ attached in the same plane of rotation as that of m₁, such that (where r₁ and r₂ are the radii of rotation of m₁ and m₂ respectively)

m₁ r₁ = m₂ r₂
None of these
m₁ r₂ = m₂ r₁
m₁ m₂ = r₁ r₂

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Theory of Machine

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
↑