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Mechanical Engineering - Theory of machines

Exercise : Theory of machines - Section 7
6.
The direction of linear velocity of any point on a link with respect to another point on the same link is
parallel to the link joining the points
perpendicular to the link joining the points
at 45° to the link joining the points
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
In a differential band brake as shown in the below figure, the drum rotates anticlockwise and the greater tension T1 acts at A and smaller tension T2 at B. Length OA is greater than length OB. In order to apply the brake, the force P at C should
be zero
act in upward direction
act in downward direction
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
The periodic time of a compound pendulum is __________ when the distance between the point of suspension and the centre of gravity is equal to the radius of gyration of the body about its centre of gravity.
zero
minimum
maximum
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
When the pitching of a ship is upward, the effect of gyroscopic couple acting on it will be
to move the ship towards star-board
to move the ship towards port side
to raise the bow and lower the stern
to raise the stern and lower the bow
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
The unbalanced force due to reciprocating masses
varies in magnitude but constant in direction
varies in direction but constant in magnitude
varies in magnitude and direction both
constant in magnitude and direction both
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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