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The function of residual volume is to keep enough pressure in the lungs to keep them from collapsing.
A manometer is a pressure gauge. A Crane Manometer might be one adapted to use on a crane, probably a steam crane, but could be hydraulic pressure on a Diesel. These are calibrated in PSI- Pounds Per Square Inch. I needn"t go into Manifold, Parastatifc and Residual, and other complications!
residual air pressure in the tank, and the pressure switch settings
If you mean a well tank, the water is forced in by the pump. The residual air pressure pushes the water out to the faucets.
- The pump has no bearing at all on the water pressure. Your household pressure id determined by the residual air pressure in the tank, and the pressure switch settings. Any well technician can get any pressure you wish up to about 80 psi without touching the pump.
If the car has a carburetor this is normal. If the car has fuel injection then are loosing residual fuel pressure. This can be caused by a weak fuel pump that is about to fail. Also can be caused by a leaking fuel line. A defective throttle position sensor is another possibility.
The water pressure depends on the residual air pressure in the tank. Normally it should be between 30 -50-psi. Tank air pressure is important, it should be about 27-29 when water is nearly empty.
Exhalation is a passive action that results from elastic recoil and changes in air pressure. When this happens naturally a portion of air remains within the lungs- residual volume. However when exhalation is forced, that is conscious efforts to expel as much air as possible, many of the residual volume can be forced out of the lungs.
A lot.
away from the piston.
Lakes which are made by residual rocks which are left after weathering and erosion and form the residual lakes.
a hill that is residual hahahah