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Engineering Mechanics

Engineering Mechanics
A differential pulley block has larger and smaller diameters of 100 mm and 80 mm respectively. Its velocity ratio is

20
10
40
5

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Engineering Mechanics
According to parallel axis theorem, the moment of inertia of a section about an axis parallel to the axis through center of gravity (i.e. IP) is given by(where, A = Area of the section, IG = Moment of inertia of the section about an axis passing through its C.G., and h = Distance between C.G. and the parallel axis.)

IP = Ah2 / IG
IP = IG + Ah2
IP = IG / Ah2
IP = IG - Ah2

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Engineering Mechanics
The maximum frictional force which comes into play when a body just begins to slide over another surface is called

Sliding friction
Kinematic friction
Rolling friction
Limiting friction

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Engineering Mechanics
The resultant of two equal forces ‘P’ making an angle ‘θ’, is given by

2P sinθ/2
2P cotθ/2
2P tanθ/2
2P cosθ/2

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Engineering Mechanics
The slope on the road surface generally provided on the curves is known as

None of these
Angle of friction
Angle of repose
Angle of banking

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Engineering Mechanics
The mechanical advantage of a lifting machine is the ratio of

Output to the input
All of these
Load lifted to the effort applied
Distance moved by effort to the distance moved by load

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MORE MCQ ON Engineering Mechanics

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