

Hydraulics - Engineering
Q1: A body of dimensions 1.5 m x 1.0 m x 2 m weighs 3000 kg in water. Its specific gravity isA
0.8
B
0.9
C
1.0
D
1.1
ANS:D - 1.1 The specific gravity of a substance is defined as the ratio of the density of the substance to the density of water at a specified temperature. We can find the specific gravity (SG) of the body by using the relationship between the weight of the body in air (Wair) and the weight of the body in water (Wwater): SG=Wair / Wair-Wwater Given:
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