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THEORY OF MACHINE

Theory of Machine
If some links are connected such that motion between them can take place in more than one direction, it is called

Partially constrained motion
Completely constrained motion
Incompletely constrained motion
Successfully constrained motion

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Theory of Machine
The frequency of oscillation of a torsional pendulum is

2πk/r. √(g/l)
r/2πk. √(l/g)
r/2πk. √(g/l)
2πr/k. √(g/l)

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Theory of Machine
If the number of links in a mechanism is equal to l, then the numbers of possible inversions are equal to

l
l - 2
l - 1
l + 1

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Theory of Machine
The unbalanced force due to reciprocating masses

Varies in magnitude but constant in direction
Constant in magnitude and direction both
Varies in direction but constant in magnitude
Varies in magnitude and direction both

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Theory of Machine
A higher pair has__________.

Surface contact
Point contact
None of these
No contact

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