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Machine Kinematics
Machine Kinematics Objective
Quiz 1
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Q.1
A point is moving at the end of the link rotating with constant angular velocity ω, what will be the value of tangential component of acceleration?
a) 0
b) ω2R
c) Infinite
d) ω2R/2
Q.2
The tangential component of acceleration is maximum when the link rotates with a constant angular velocity.
a) True
b) False
Q.3
A point is moving at the end of the link rotating with constant angular velocity ω, what will be the value of radial component of acceleration?
a) 0
b) ω2R
c) Infinite
d) ω2R/2
Q.4
In a slider crank mechanism, the crank rotates with a constant angular velocity ofrpm, Length of crank is 150mm, and the length of the connecting rod is 600mm. Determine linear velocity of the midpoint of the connecting rod in m/s. Crank angle =from IDC.
a) 4.1
b) 4.4
c) 4.8
d) 5.2
Q.5
In a slider crank mechanism, the crank rotates with a constant angular velocity ofrpm, Length of crank is 150mm, and the length of the connecting rod is 600mm. Determine acceleration of the midpoint of the connecting rod in m/sCrank angle =from IDC.
a) 117
b) 144
c) 148
d) 252
Q.6
What will be the shape of the velocity diagram of the slider crank mechanism if there are three links including the slider.
a) Triangle
b) Parallelogram
c) Square
d) Trapezium
Q.7
If the normal component of the acceleration is doubled, what will be the effect on the radial component?
a) Doubled
b) Halved
c) Remains same
d) Becomes 4 times
Q.8
If the body is not rotating with a constant angular velocity then there are both radial and tangential component of acceleration.
a) True
b) False
Q.9
In the given figure, the direction of radial velocity vector and angular velocity is given what will be the direction of coriolis force?
a) Along the radial velocity vector
b) Opposite to radial velocity vector
c) Perpendicular to radial velocity vector towards right
d) Perpendicular to radial velocity vector towards left
Q.10
Coriolis component of acceleration exists when there is relative motion between two points from the ground frame.
a) True
b) False
Q.11
Calculate the coriolis component of acceleration in m/s2 from the following data:
a) 24
b) 12
c) 36
d) 6
Q.12
Which component of acceleration is parallel to the given link?
a) Radial
b) Tangential
c) Coriolis
d) Pseudo
Q.13
Which of the following mechanism will have coriolis component?
a) Quick return motion mechanisms
b) Slider crank mechanism
c) Four bar chains
d) Gnome engine
Q.14
Which component of acceleration is parallel to the velocity of given link?
a) Radial
b) Tangential
c) Coriolis
d) Pseudo
0 h : 0 m : 1 s
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