• 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
In a pantograph, all the pairs are

Self-closed pairs
Spherical pairs
Turning pairs
Sliding pairs

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
With usual notations for different parameters involved, the maximum fluctuations of energy for a flywheel is given by

2ECS
2ECS²
2E²CS
EC S/2

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
Whirling speed of the shaft is the speed at which

Torsional vibrations occur
Shaft tends to vibrate vigorously in transverse direction
Shaft tends to vibrate in longitudinal direction
Combination of transverse and longitudinal vibration occurs

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m). (dx/dt) + (s/m). x = 0. If the roots of this equation are real, then the system will be

Under damped
Over-damped
Critically damped
Without vibrations

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
In a Hartnell governor, the lift of the sleeve is given by (where r₁ and r₂ = Max. and min. radii of rotation, x = Length of ball arm of the lever, and y = Length of sleeve arm of the lever)

(r₁ - r₂) (x/y)
(r₁ + r₂) (y/x)
(r₁ + r₂) (x/y)
(r₁ - r₂) (y/x)

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
The acceleration of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by

ω² (R - r₁) cosθ
ω² R cosθ
ω² r₁ sinθ
ω² (R - r₁) sinθ

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
↑