• 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
Cross head and guides form a

Higher pair
Lower pair
Sliding pair
Turning pair

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
The velocity of sliding of meshing gear teeth is (Where ω₁ and ω₂ are angular velocities of meshing gears and ‘y’ is distance between point of contact and the pitch point)

(ω₁ × ω₂) y
(ω₁ + ω₂)/y
(ω₁ + ω₂) y
(ω₁/ω₂) y

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
The advantage of the piston valve over the slide valve is that in the former case

Both wear and power absorbed are low
The pressure developed being high provides tight sealing
Power absorbed is less
Wear is less

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
The primary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is

90° and 180°
0° and 90°
0° and 180°
180° and 360°

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
A shaft has an attached disc at the centre of its length. The disc has its centre of gravity located at a distance of 2 mm from the axis of the shaft. When the shaft is allowed to vibrate in its natural bow-shaped mode, it has a frequency of vibration of 10 rad/s. When the shaft is rotated at 300 r.p.m., it will whirl with a radius of

2.22 mm
3.0 mm
2.50 mm
2 mm

ANSWER DOWNLOAD EXAMIANS APP

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

6π Hz
6 Hz
3π Hz
3 Hz

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
↑