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Engineering Mechanics

Engineering Mechanics
The unit of work in S.I. units is

Newton
erg
joule
kg-m

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Engineering Mechanics
Moment of inertia of a circular section about its diameter (d) is

πd3/16
πd4/64
πd3/32
πd4/32

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

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

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

5
10
40
20

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Engineering Mechanics
One kg force is equal to

12 N
8.9 N
9.8 N
7.8 N

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Engineering Mechanics
In ideal machines, mechanical advantage is __________ velocity ratio.

None of these
Greater than
Equal to
Less than

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MORE MCQ ON Engineering Mechanics

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