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Theory of Machine

Theory of Machine
Any point on a link connecting double slider crank chain will trace a

Straight line
Ellipse
Parabola
Circle

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Theory of Machine
In a reciprocating steam engine, which of the following forms a kinematic link?

Crankshaft and flywheel
Cylinder and piston
Flywheel and engine frame
Piston rod and connecting rod

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Theory of Machine
The height of a Watt's governor (in meters) is equal to (where N = Speed of the arm and ball about the spindle axis)

8950/N²
89.5/N²
895/N²
8.95/N²

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Theory of Machine
The mechanism forms a structure, when the number of degrees of freedom (n) is equal to

1
-1
2

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Theory of Machine
The velocity of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by

ω(R - r₁) sinθ
ωR cosθ
ωr₁ sinθ
ω(R - r₁) cosθ

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Theory of Machine
V-belts are usually used for

Short drives
None of these
Long drives
Long and short drives

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