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Engineering Mechanics

Engineering Mechanics
If the body falls freely under gravity, then the gravitational acceleration is taken as

-9.8 m/s2
+8.9 m/s2
-8.9 m/s2
+9.8 m/s2

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Engineering Mechanics
Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the depth (d), is

db³/12
db³/36
bd³/36
bd³/12

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Engineering Mechanics
The velocity ratio of a differential wheel and axle with 'D' as the diameter of effort wheel and d1 and d2 as the diameters of larger and smaller axles respectively, is

2D/(d₁ - d₂)
D/(d₁ - d₂)
D/(d₁ + d₂)
2D/(d₁ + d₂)

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Engineering Mechanics
The centre of gravity of an isosceles triangle with base (p) and sides (q) from its base is

(p² + q²)/4
(p² - q²)/4
(4p² - q²)/6
[√(4p² - q²)]/6

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Engineering Mechanics
The friction experienced by a body, when in motion, is known as

Rolling friction
Static friction
Limiting friction
Dynamic friction

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Engineering Mechanics
If rain is falling in the opposite direction of the movement of a pedestrian, he has to hold his umbrella

Less inclined when moving
More inclined when standing
More inclined when moving
Less inclined when standing

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MORE MCQ ON Engineering Mechanics

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