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Theory of Machine

Theory of Machine
The total number of instantaneous centers for a mechanism consisting of n links are

n
n/2
n(n - 1)/2
n - 1

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Theory of Machine
A slider crank chain consists of following numbers of turning and sliding pairs

4, 0
1, 3
3, 1
2, 2

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Theory of Machine
In a steam engine, the distance by which the outer edge of the D-slide valve overlaps the steam port is called

Steam lap
None of these
Exhaust lap
Lead

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Theory of Machine
In a rigid link OA, velocity of 'A' w.r.t. 'O' will be

At 45° to OA
Parallel to OA
Perpendicular to OA
Along AO

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Theory of Machine
The Kutzbach criterion for determining the number of degrees of freedom (n) is (where l = number of links, j = number of joints and h = number of higher pairs)

n = 2(l - 1) - 3j - h
n = 3(l - 1) - 3j - h
n = 2(l - 1) - 2j - h
n = 3(l - 1) - 2j - h

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Theory of Machine
Carnot cycle is

an irreversible cycle
a semi-reversible cycle
a reversible cycle
a quasi static cycle

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MORE MCQ ON Theory of Machine

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