Respuesta :
At point B, the gauge pressure is 22 kPa.
Calculation:
Given gauge pressure is 50 kPa.
Diameter is 3.0cm
speed is 2.0m/s
the gauge pressure is 22 kPa.
How can you figure out a point's gauge pressure?
Pg denotes gauge pressure, which is related to absolute pressure as follows: Pa is the local atmospheric pressure, and pg is equal to p - pa. Example: 32.0 psi is the tire pressure as measured by an automobile tire gauge. 14.2 psi is the atmospheric pressure in the area.
What is a point's gauge pressure?
In order to calculate gauge pressure, atmospheric (ambient) pressure is subtracted from absolute pressure. A scenario where the absolute pressure is higher than the atmospheric pressure is referred to as positive overpressure, and a situation where the absolute pressure is lower than the atmospheric pressure is referred to as negative overpressure.
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Incomplete question:
The 3.0-cm diameter water line shown at right splits into two 1.0-cm diameter pipes. All pipes are circular and at the same elevation. At point A, the water speed is 2.0 m/s and the gauge pressure is 50 kPa. What is the gauge pressure at point B?
A)12 kPa B)22 kPa C)29 kPa D)38 kPa E)42 kPa
