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Mechanical Engineering - Engineering Mechanics

Exercise : Engineering Mechanics - Section 5
31.
The centre of gravity of a quadrant of a circle lies along its central radius (r) at a distance of
0.5r
0.6r
0.7r
0.8r
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
The horizontal range of a projectile (R) is given by
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
Which of the following are vector quantities?
Angular displacement
Angular velocity
Angular acceleration
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
The maximum mechanical advantage of a lifting machine is
1 + m
1 - m
1 / m
m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
A machine having an efficiency greater than 50%, is known as
reversible machine
non-reversible machine
neither reversible nor non-reversible machine
ideal machine
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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