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20.4 what? !! The guage pressure measures the pressure within the air tank. The air tank has a given volume with an amount of gas squeezed into it. That pressure only reduces as you let the gas out (unless you put the tank under enough pressure so that IT reduces in size, compressing the gas within even further). Do more training as your question is out of context and shows a lack of understanding for the basics of the subject.
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What is the principal of depth gauge?
A depth gauge measures the depth of an object underwater by using water pressure to determine the distance from the surface. The principle behind it is that pressure increases with depth, allowing the gauge to calculate the depth based on the pressure readings it receives.
What is the gauge pressure of seawater at a depth of 250m?
The gauge pressure of seawater at a depth of 250m is approximately 24.5 atm. This can be calculated using the formula P = ρgh, where P is pressure, ρ is density, g is acceleration due to gravity, and h is depth.
What is the purpose of a depth gauge?
The purpose of a depth gauge is to measure the depth of water. It is used by scuba divers to make sure they don't go too deep because the deeper they go the more pressure the water is.
Does absolute pressure in a liquid of constant density double when the depth is doubled?
No, the absolute pressure in a liquid of constant density would not double in this situation. This is because the atmospheric pressure is an independent variable, so it will keep the absolute pressure from doubling.
What factors affect the gauge pressure within a fluid?
The gauge pressure within a fluid is affected by the depth of the fluid, density of the fluid, and acceleration due to gravity. The formula for calculating gauge pressure within a fluid is: P_gauge = ρgh, where P_gauge is the gauge pressure, ρ is the density of the fluid, g is the acceleration due to gravity, and h is the depth of the fluid.
What is gauge pressure at a depth of 100 m in water?
The gauge pressure at a depth of 100 m in water can be calculated using the formula P = ρgh, where P is pressure, ρ is density of the fluid, g is the acceleration due to gravity, and h is the depth. Assuming the density of water is 1000 kg/m^3 and taking g as 9.81 m/s^2, the gauge pressure at 100 m depth in water can be found as P = 1000 kg/m^3 * 9.81 m/s^2 * 100 m = 981,000 Pa = 981 kPa.
What is the difference between normal pressure gauge and differential pressure gauge?
A pressure gauge indicates actual pressure and a differential pressure gauge indicates the difference in pressure.
What is the gear that divers use?
Mask, fins, snorkel, knife, tank, bcd (buoyancy control device), wetsuit, weight belt, regulator, pressure gauge, depth gauge, etc.
What is a depth micrometer used for?
A "depth gauge micrometer" is used by engineers. A depth gauge micrometer is a precision instrument used to measure various depths of different items.
What is the pressure of water at a depth of 10000 ft?
The pressure of water at a depth of 10000 ft is approximately 4330 psi (pounds per square inch). This is calculated using the formula P = ρgh, where P is the pressure, ρ is the density of water, g is acceleration due to gravity, and h is the depth of the water.
Definition of a compound gauge?
A compound gauge is a pressure gauge that displays both negative and positive gauge pressure measurements. Gauge pressure is a measurement of pressure relative to ambient pressure. For example, if ambient pressure was 14.7 PSI and you were to measure absolute vaccum using a compound gauge, the gauge would indicate -14.7 PSI.
What is the Formula for depth in terms of pressure?
The formula for depth in terms of pressure is given by: depth = (pressure)/(density*g), where pressure is the pressure at the depth, density is the density of the fluid, and g is the acceleration due to gravity. This formula is derived from the hydrostatic pressure equation.
