Does it matter if one uses gauge instead of absolute pressures in applying Bernoulli's equation. Explain.

Why has nature given us two eyes instead of one ?

Problems based on Pressure Variation | Archimedes Principle and Bernoulli's Equation

Desalination of seawater is done by using reverse osmosis. The pressure applied to the solution is

Absolute Pressure And Gauge Pressure

Statement-1 : Bernoullis equation is based on energy conservation. Statement-2 : Bernoullis equation can only be applied if the flow is streamlined. Statement-3 : Bernoullies equation can be applied evern if the flow is not streamlined as total energy is always conserved.

using the illustration when both surfaces 1 and 2 are exposed to the atmoshere, P_1 and P_2 are gauge pressure , and h_1 and h_2 are heights . The Bernoulli equation for this situation is h_1+P_1 /W+V_1^2/"2a"=h_2+P_2/W+V_2^2/"2a" If an Identical outlet were placed at exactly the same point on the left side of the container, the velocity would be

using the illustration when both surfaces 1 and 2 are exposed to the atmoshere, P_1 and P_2 are gauge pressure , and h_1 and h_2 are heights . The Bernoulli equation for this situation is h_1+P_1 /W+V_1^2/"2a"=h_2+P_2/W+V_2^2/"2a" The velocity of the fluid leavening point (2) is constant and can be expressed as