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Theory of Machine

Theory of Machine
The radial distance from the top of a tooth to the bottom of a tooth in a meshing gear, is called

Clearance
Dedendum
Working depth
Addendum

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Theory of Machine
Carnot cycle is

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

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Theory of Machine
In full depth involute system, the smallest number of teeth in a pinion which meshes with rack without interference is

32
16
12
25

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Theory of Machine
The flank of the tooth is the surface of the tooth __________ the pitch surface.

None of these
Above
At
Below

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Theory of Machine
A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂ attached in the same plane of rotation as that of m₁, such that (where r₁ and r₂ are the radii of rotation of m₁ and m₂ respectively)

m₁ r₁ = m₂ r₂
m₁ m₂ = r₁ r₂
None of these
m₁ r₂ = m₂ r₁

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Theory of Machine
The fundamental equation for correct steering is (where φ and α = Angle through which the axis of the outer wheel and inner wheel turns respectively, c = Distance between the pivots of the front axles, and d = Wheel base)

cosφ - sinα = c/b
tanφ + cotα = b/c
cotφ - cotα = c/b
sinφ + sinα = b/c

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