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GATE 2023 || Theory of Machines & Vibrations || Quiz 24

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Question 1

No of instantaneous centres for 6 links ________.

Question 2

In a four bar planar mechanism shown in the figure, AB = 5 cm, AD = 4 cm and DC = 2 cm. In the configuration shown, both AB and DC are perpendicular to AD. The bar AB rotates with an angular velocity of 10 rad/s. The magnitude of angular velocity (in rad/s) of bar DC at this instant is

Question 3

A Rigid link PQ of length 2 m rotates about the pinned end Q with a constant angular acceleration of 12 rad/s2. When the angular velocity of the link is 4 rad/s, the magnitude of the resultant acceleration (in m/s2) of the end P is _________.

Question 4

For the given four bar linkage, the velocity of B with respect to A will be:-

Question 5

A slider is moving with a velocity of 2 m/s in a link which is rotaing with an angular velocity of10 rad/s and angular acceleration of 2 rad/s2 in the same direction. If the position of the slider is 1 m away from the fixed end of the link. Find the acceleration of the slider at that instance in m/s2 .

Question 6

For the mechanism shown below, if link SH rotates at 60 rad/s, then angular velocity of link MO will be _________ rad/s.
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