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Mechanical Engineering - Theory of machines

Exercise : Theory of machines - Section 5
11.
A system in dynamic balance implies that
the system is critically damped
there is no critical speed in the system
the system is also statically balanced
there will absolutely no wear of bearings
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
The example of completely constrained motion is a
motion of a piston in the cylinder of a steam engine
motion of a square bar in a square hole
motion of a shaft with collars at each end in a circular hole
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
In involute gears, the pressure angle is
dependent on the size of teeth
dependent on the size of gears
always constant
always variable
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
A shaft carrying three rotors will have
no node
one node
two nodes
three nodes
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
The minimum force required to slide a body of weight W on a rough horizontal plane is
W sin θ
W cos θ
W tan θ
W cosec θ
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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