SSC JE Mechanical Engineering 2017 Set 1 Paper

Question : 153 of 200

Marks: +1, -0

The locus of elevations that water will rise in a series of pitot tube is called_____.

Hydraulic grade line
Pressure head
Energy grade line
Head loss

Solution:

A line that represents the elevation of energy head (in feet or meters) of water flowing in a pipe, conduit, or channel. The line is drawn above the hydraulic grade line (gradient) a distance equal to the velocity head

(V^2/{2g})

of the water flowing at each section or point along the pipe or channel.

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