Question

A gas pressure of 65,000.0 Pa (gage pressure) is applied to one leg of a U-tube manometer, which contains a fluid of density of 1905.0 kg/m3. The other leg is open to atmosphere. What is the manometer reading? Draw the U-tube manometer and label all relevant parameters. Hint: You may assume that air density is much less than the fluid density

Answer 1

`h=3.4817\ m`

Step-by-step explanation:

Given:

• Pressure of a gas,
  `P=65000\ Pa`

• density of the fluid in the manometer,
  `\rho=1905\ kg.m^(-3)`

We know that:

`P=\rho.g.h`

putting respective values

`65000-101325=1905 * 9.8* h`

`h=3.4817\ m` is the reading in terms of the fluid column height on the manometer.

Considering the rise in the level of fluid this fluid is not suitable for such huge pressures for a practically convenient manometer.