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Mechanical Engineering - Theory of machines

Exercise : Theory of machines - Section 2
21.
Which of the following is a higher pair?
Belt and pulley
Turning pair
Screw pair
Sliding pair
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
When the belt is stationary, it is subjected to some tension known as initial tension. The value of this tension is equal to the
tension in the tight side of the belt
tension in the slack side of the belt
sum of the tensions on the tight side and slack side of the belt
average tension of the tight side and slack side of the belt
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
In a force-closed pair, the two elements of a pair are not held together mechanically.
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Maximum fluctuation of energy in a flywheel is equal to (where I = Mass moment of inertia of the flywheel, E = Maximum fluctuation of energy, CS = Coefficient of fluctuation of speed, and ω = Mean angular speed = )
Iω(ω1 - ω2)
Iω2CS
2ECS
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
The coriolis component of acceleration acts
along the sliding surface
perpendicular to the sliding surface
at 45° to the sliding surface
parallel to the sliding surface
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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