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Theory of Machine

Theory of Machine
The behaviour of gases can be fully determined by

4 laws
2 laws
3 laws
1 law

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Theory of Machine
An automobile steering gear is an example of

Lower pair
Higher pair
Rolling pair
Sliding pair

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Theory of Machine
There are six gears A, B, C, D, E and F in a compound train. The numbers of teeth in the gears are 20, 60, 30, 80, 25 and 75 respectively. The ratio of angular speeds of the driven (F) to the driver (A) of the drive is

1/24
1/8
4/15
12

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Theory of Machine
Tangential acceleration direction is

Perpendicular to angular velocity
Opposite to angular velocity
Along the angular velocity
May be any one of these

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Theory of Machine
The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing)

r sinφ
r tanφ
(r/2) cosφ
r cosφ

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Theory of Machine
A Porter governor is a

Dead weight governor
Spring loaded governor
Pendulum type governor
Inertia governor

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MORE MCQ ON Theory of Machine

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