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What gauge pressure in the mains is necessary if a firehose is to spray water to a height of 15m?
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Find gauge pressure of faucet on twelfth floor?
Reference pressure less the height.
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.
Why pressure gauge is called a gauge not a meter?
Because Pressure gauge measures the the differenceof pressure so it is called pressure gauge not meter.
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.
Why pressure difference in two gauges located in different heights?
In a pipe line or vessel if vertically placed and two pressure gauges mounted in top and bottom places of the pipe line and the internal pressure will very. Top mounted pressure gauge is lower than the bottom mounted pressure gauge. The Pressure will change due to the height variation's. The Internel fluid height acting additional pressure . so that the pressure difference in two gauges located in different heights.
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.
Can bourdon's tube pressure gauge be used to measure negative pressure?
Bourdon's tube pressure gauge cannot be used to measure negative pressure. This is because absolute pressure must be measured and the Bourdon gauge only indicates the gauge pressure.
What gauge measures both vacuum and pressure?
Gauge pressure usually refers to the pressure difference between ambient, atmospheric pressure and the pressure in a vessel or line. A gauge pressure of zero would mean that the vessel or line was at atmospheric pressure. Normally the pressures of interest are ABOVE atmospheric so the gauge pressure is positive. Vacuum gauge pressure measures how far BELOW atmospheric pressure a vessel or line is. As such vacuum gauge pressure may be measured as a negative number - or for convenience it may be reported as a positive number with the caveat that it is "vacuum gauge pressure", meaning that the reported pressure is how far atmospheric pressure is above the pressure in the vessel or line.
What is micro manometer pressure?
A manometer is a pressure gauge. A micro manometer is either a really small pressure gauge, or a pressure gauge used to measure really small pressure difference.
What is the principle of pressure gauge?
pressure gauge works on hooks law principle ,when we applying pressure in end connection of the pressure gauge ,the same pressure operating at end of the bourdon tube.
Why diaphragm of a pressure gauge is corrugated?
These are corrugated to increase the sensitivity of the pressure gauge.
Can you use an oil pressure gauge in the place of air pressure gauge?
No.No.No.No.
