Hydraulics and Fluid Mechanics in ME
The length AB of a pipe ABC in which the liquid is flowing has diameter (d1) and is suddenly contracted to diameter (d2) at B which is constant for the length BC. The loss of head due to sudden contraction, assuming coefficient of contraction as 0.62, is

0.375 v₂²/2g
0.5 v₁²/2g
v₁²/2g
v₂²/2g

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Hydraulics and Fluid Mechanics in ME
The intensity of pressure at any point, in a liquid, is

Directly proportional to the length of the vessel containing liquid
Inversely proportional to the depth of liquid from the surface
Directly proportional to the area of the vessel containing liquid
Directly proportional to the depth of liquid from the surface

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