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Theory of Machine

Theory of Machine
Peaucellier’s mechanism has

Twelve links
Four links
Six links
Eight links

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Theory of Machine
If ‘D₁’ and ‘D₂’ be the diameters of driver and driven pulleys, then belt speed is proportional to

D₂/D₁
D₁.D₂
D₁
D₁/D₂

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Theory of Machine
An eccentric sheave pivoted at one point rotates and transmits oscillatory motion to a link whose one end is pivoted and other end is connected to it. This mechanism has

5 links
4 links
2 links
3 links

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Theory of Machine
The axis of precession is __________ to the plane in which the axis of spin is going to rotate.

Both A and B
Perpendicular
None of these
Parallel

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

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

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Theory of Machine
The periodic time is given by (where ω = Angular velocity of the particle in rad/s)

2π/ω
π/ω
ω × 2π
ω/2π

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