Oil of specific gravity 0.7 flow in 1 m diameter tube. If the oil flow rate through the tubes is 1200 litters/second. Find out the flow velocity of fluid in the tube.

Question

Question

This question was previously asked in

NRL GET Mechanical 23 Sept 2021 Official Paper (Shift 1)

Answer 1

Concept:

Flow through pipe is given as, Q = AV

Where, Q = Discharge, A = cross sectional area, V = velocity of flow

Calculation:

Given:

d = 1 m, Q = 1200 ltr/sec = 1.2 m³/sec

\(Q=\frac{\pi}{4} ×d^2×V\)

\(1.2=\frac{\pi}{4} ×1^2×V\)

\(V=\frac{4.8}{\pi} ~m/s\)