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Theory of Machine

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)

8.95/N²
89.5/N²
8950/N²
895/N²

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Theory of Machine
In a spring controlled governor, when the controlling force ____ as the radius of rotation increases, it is said to be a stable governor.

None of the listed here
Increases
Remains constant
Decreases

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Theory of Machine
The relation between number of links (l) and number of joints (j) in a kinematic chain is

l = (3/4).(j + 3)
l = (2/3).(j + 2)
l = (1/2).(j + 2)
l = j + 4

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Theory of Machine
A kinematic chain requires at least

4 links and 4 turning pairs
2 links and 3 turning pairs
3 links and 4 turning pairs
5 links and 4 turning pairs

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Theory of Machine
The velocity of the belt for maximum power is (where m = Mass of the belt in kg per meter length)

T/3
(T.g)/3
√(T/3m)
√(3m/T)

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Theory of Machine
The velocity of any point in mechanism relative to any other point on the mechanism on velocity polygon is represented by the line

Joining the corresponding points
Not possible to determine with these data
Perpendicular to line as per (A)
At 45° to line as per (A)

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