A vertical water pipe, 1.5 m long, tapers some distance from 75 mm diameter at the bottom then straightens to 150 mm diameter at the top at the rate of flow is 50 L/s upwards. If the pressure at the bottom end is 150 kN/m2, the pressure at the top will be nearly

A vertical water pipe, 1.5 m long, tapers some distance from 75 mm dia

1.	A vertical water pipe, 1.5 m long, tapers some distance from 75 mm diameter at the bottom then straightens to 150 mm diameter at the top at the rate of flow is 50 L/s upwards. If the pressure at the bottom end is 150 kN/m2, the pressure at the top will be nearly
A.	196.65 kN/m2
B.	191.4 kN/m2
C.	187.6 kN/m2
D.	183.8 kN/m2
Answer» B. 191.4 kN/m2