Mechanical Engineering - Engineering Mechanics

11.
The velocity ratio for the second system of pulleys is n.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

12.
The law of motion involved in the recoil of gun is
Newton's first law of motion
Newton's second law of motion
Newton's third law of motion
none of these
Answer: Option
Explanation:
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13.
When a particle moves along a circular path, its acceleration has two components, one is normal component and the other is tangential component of acceleration.
True
False
Answer: Option
Explanation:
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14.
A machine which is not capable of doing any work in the reversed direction, after the effort is removed, is called a reversible machine.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

15.
The range of projectile will be maximum for a given velocity of projectile, when the angle of projection (α) is
β/2
30° + β/2
45° + β/2
60° + β/2
Answer: Option
Explanation:
No answer description is available. Let's discuss.