Machine Kinematics Questions and Answers – Linear Acceleration

Questions

1 The acceleration of a particle at any instant has two components, radial component and tangential component. These two components will be

A parallel to each other

B perpendicular to each other

C inclined at 45°

D opposite to each other

View Answer

Answer: perpendicular to each other

2 The centre of gravity of a coupler link in a four bar mechanism will experience

A no acceleration

B only linear acceleration

C only angular acceleration

D both linear and angular acceleration

View Answer

Answer: both linear and angular acceleration

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3 When a point moves along a straight line, its acceleration will have

A radial component only

B tangential component only

C coriolis component only

D radial and tangential components both

View Answer

Answer: tangential component only

4 When a point at the end of a link moves with constant angular velocity, its acceleration will have

A radial component only

B tangential component only

C coriolis component only

D radial and tangential components both

View Answer

Answer: radial component only

5 In a shaper mechanism, the coriolis component of acceleration does not exists.

A True

B False

View Answer

Answer: False

6 The tangential component of acceleration of the slider with respect to the coincident point on the link is called coriolis component of acceleration.

A True

B False

View Answer

Answer: True

7 The coriolis component of acceleration acts

A along the sliding surface

B perpendicular to the sliding surface

C at 45° to the sliding surface

D parallel to the sliding surface

View Answer

Answer: perpendicular to the sliding surface

8 The coriolis component of acceleration is taken into account for

A slider crank mechanism

B four bar chain mechanism

C quick return motion mechanism

D all of the mentioned

View Answer

Answer: quick return motion mechanism

9 The coriolis component of acceleration depends upon

A velocity of slider

B angular velocity of the link

C all of the mentioned

D none of the mentioned

View Answer

Answer: all of the mentioned

10 A body in motion will be subjected to coriolis acceleration when that body is

A in plane rotation with variable velocity

B in plane translation with variable velocity

C in plane motion which is a resultant of plane translation and rotation

D restrained to rotate while sliding over another body

View Answer

Answer: restrained to rotate while sliding over another body

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