Mechanical Properties of Fluids

Question : 24

Total: 31

During blood transfusion the needle is inserted in a vein where the gauge pressure is 2000 Pa. At what height must the blood container be placed so that blood may just enter the vein? (Density of blood =1.06×103kg m–3)

Solution:

Here, gauge pressure, P=2000 Pa
density of whole blood, ρ=1.06×103 kg m−3
g=9.8 m s−2
Let h= height at which blood container must be placed = ?
Using the relation, P=hρg, we get
h=

ρg

2000

1.06×103×9.8

m
=

1000

106×49

m
m=0.193m‌or‌h=0.2m.

Go to Question:

Prev Question

Next Question