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Theory of Machine

Theory of Machine
The maximum value of the pressure angle in case of cam is kept as

20°
14°
10°
30°

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

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

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Theory of Machine
A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure, is gear driven such that the ratio of speed of shaft B to shaft A is 'G'. Neglecting the inertia of gears, the equivalent inertia of disc on shaft B at the speed of shaft A is equal to

G².I₂
I₂/G
G.I₂
I₂/G²

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Theory of Machine
The ratio of the driving tensions for V-belts is __________ times that of flat belts.(Where β = Semi-angle of the groove)

sinβ
secβ
cosecβ
cosβ

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Theory of Machine
To connect two parallel and coplanar shafts the following type of gearing is used

Bevel gear
Spur gear
None of the listed here
Spiral gear

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

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

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MORE MCQ ON Theory of Machine

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