I find an empty manometer in the lab and a bottle of oil that has a...
I find an empty manometer in the lab and a bottle of oil that has a specific gravity of 1.910 according to the label. The manometer is marked in mmH2O with a maximum range of 100 mmH2O. What is the largest differential pressure, in pascals, that I will be able to measure with this system?
Homework Answers
Given : Manometer range 100mm of water
Specific gravity of oil to be used= 1.91
Solution:
The specific gravity of given oil is 1.91
So density of oil = 1.91* density of water
the height H=100mm=0.1m , when occupied by oil instead of water the pressure exerted is given by
So this much pressure can be measured using oil instead of water.
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