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Engineering Mechanics
Exercise: Engineering Mechanics
📂 Engineering Mechanics
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Questions for: Engineering Mechanics
The ideal angle of banking provided on the curves on roads depends upon
A:
weight of the vehicle
B:
(velocity)
2
of the vehicle
C:
nature of the road surface
D:
coefficient of friction between the road and vehicle contact point
Answer:
B
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The velocity ratio for the first system of pulleys is(where
n
is the number of pulleys.)
A:
n
B:
n
2
C:
2
n
D:
2
n
- 1
Answer:
C
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The moment of inertia of a sphere of mass
m
and radius
r
, about an axis tangential to it, is
A:
2
mr
2
/3
B:
2
mr
2
/5
C:
7
mr
2
/3
D:
7
mr
2
/5
Answer:
D
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One joule means that
A:
work is done by a force of 1 N when it displaces a body through 1m
B:
work is done by a force of 1 kg when it displaces a body through 1 m
C:
work is done by a force of 1 dyne when it displaces a body through 1 cm
D:
work is done by a force of 1 g when it displaces a body through 1 cm
Answer:
A
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The velocity ratio of a first system of pulleys with 4 pulleys is
A:
4
B:
8
C:
16
D:
20
Answer:
C
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