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Engineering Mechanics

Engineering Mechanics
The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is

2mr²/5
3mr²/5
2mr²/3
mr²/3

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Engineering Mechanics
The moment of inertia of a square of side a about its diagonal is

a⁴/12
a⁴/16
a²/8
a³/12

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Engineering Mechanics
The maximum frictional force, which comes into play, when a body just begins to slide over the surface of the other body, is known as

Coefficient of friction
Limiting friction
Static friction
Dynamic friction

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Engineering Mechanics
If n = number of members and y = number of joints, then for a perfect frame, n = ?

43865
43892
43864
43832

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Engineering Mechanics
When a body falls freely under gravitational force, it possesses __________ weight.

No
Maximum
None of these
Minimum

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Engineering Mechanics
For a self locking machine, the efficiency must be

Greater than 50%
Equal to 50%
1
Less than 50%

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MORE MCQ ON Engineering Mechanics

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