Which of the follwoing explanations describes how a multi-fluid manometer works

Question

Which of the follwoing explanations describes how a multi-fluid manometer works?

Pressure at any point can be found by starting with a known pressure and adding or subtracting gh terms between interfaces for each fluid type as you follow the manometer to a point of unknown pressure

Manomters use a heavy fluid such as mercury to measure large pressure differences

Pressure at any point can be found as a consequence that the pressure applied to a confined fluid increases the pressure throughout the fluid by the same amount

A manometer is used to measure small to moderate pressure differences between two points

Pressure at any point can be found by starting with a known pressure and adding or subtracting gh terms between interfaces for each fluid type as you follow the manometer to a point of unknown pressure

Manomters use a heavy fluid such as mercury to measure large pressure differences

Pressure at any point can be found as a consequence that the pressure applied to a confined fluid increases the pressure throughout the fluid by the same amount

A manometer is used to measure small to moderate pressure differences between two points

Explanation / Answer

a multi fluid manometer is pressure meter . pressure meter is the analysis of an applied force on a surface . pressure gauage and vaccum gauge are used for meauserment .

a manometer consist of a column of liquid in a tube whose end are exposed to different pressure . pressure at any point cab be found by starting with a known pressure and adding or subtracting pgh terms between interfaces for each fluid type as you follow the manometer to a point of unknown pressure

so the pressure is given by hydrostatic pressure equation

delta P = P2 - P1 = pgh

where p is the density

h is the height of fluid .

so option A is correct

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