Theory of Machine MCQ Questions and Answers | Mechanical Engineering | page 37

Theory of Machine
The values of velocity and acceleration of piston at near dead center for a slider-crank mechanism will be

0, and less than coV

0, and more than co2r

cor, 0

0, 0

0, and less than coV

0, and more than co2r

cor, 0

0, 0

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Theory of Machine
When the two elements of a pair have a surface contact when relative motion takes place and the surface of one element slides over the surface of the other, the pair formed is known as a

Self-closed pair

Higher pair

Lower pair

Force-closed pair

Self-closed pair

Higher pair

Lower pair

Force-closed pair

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Theory of Machine
The ratio of the number of teeth to the pitch circle diameter in millimeters, is called

Circular pitch

Diametral pitch

Module

None of these

Circular pitch

Diametral pitch

Module

None of these

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Theory of Machine
Which of the following mechanism is an approximate straight line motion mechanism?

Grasshopper mechanism

Watt's mechanism

Robert's mechanism

All of these

Grasshopper mechanism

Watt's mechanism

Robert's mechanism

All of these

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Theory of Machine
The magnitude of velocities of the points on a rigid link is

Inversely proportional to the distance from the points to the instantaneous center and is perpendicular to the line joining the point to the instantaneous center

Directly proportional to the distance from the points to the instantaneous center and is perpendicular to the line joining the point to the instantaneous center

Directly proportional to the distance from the points to the instantaneous center and is parallel to the line joining the point to the instantaneous center

Inversely proportional to the distance from the points to the instantaneous center and is parallel to the line joining the point to the instantaneous center

Inversely proportional to the distance from the points to the instantaneous center and is perpendicular to the line joining the point to the instantaneous center

Directly proportional to the distance from the points to the instantaneous center and is perpendicular to the line joining the point to the instantaneous center

Directly proportional to the distance from the points to the instantaneous center and is parallel to the line joining the point to the instantaneous center

Inversely proportional to the distance from the points to the instantaneous center and is parallel to the line joining the point to the instantaneous center

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THEORY OF MACHINE

Theory of Machine The values of velocity and acceleration of piston at near dead center for a slider-crank mechanism will be

Theory of Machine When the two elements of a pair have a surface contact when relative motion takes place and the surface of one element slides over the surface of the other, the pair formed is known as a

Theory of Machine The ratio of the number of teeth to the pitch circle diameter in millimeters, is called

Theory of Machine Which of the following mechanism is an approximate straight line motion mechanism?

Theory of Machine The magnitude of velocities of the points on a rigid link is

Theory of Machine
The values of velocity and acceleration of piston at near dead center for a slider-crank mechanism will be

Theory of Machine
When the two elements of a pair have a surface contact when relative motion takes place and the surface of one element slides over the surface of the other, the pair formed is known as a

Theory of Machine
The ratio of the number of teeth to the pitch circle diameter in millimeters, is called

Theory of Machine
Which of the following mechanism is an approximate straight line motion mechanism?

Theory of Machine
The magnitude of velocities of the points on a rigid link is