Compressed Air System Technology Summary Questions with Complete solutions

Adapter - Type of connection that is male on one end and female on the other Aftercooler - Used to reduce the temperature of compressed air air compressor - Designed to raise the pressure of air from normal atmospheric to some higher pressure Air Line Lubricator - Installed on the leg or branch line furnishing air to air-powered tools to help maintain them and keep them running smoothly Air tank shutoff valve - A hand valve that isolates the tank pressure from shop line pressure. If not closed properly, the compressor may run all night air transformer - A device that filters and regulates the compressed air by removing dirt, oil, and water. A gauge shows the regulated air pressure. May also provide air outlets for spray guns, blowguns, and air-operated tools automatic unloader - A device designed to maintain a supply of air within given pressure limits on compressors when it is not practical to start and stop the motor Compressed air supply system - A system designed to provide an adequate supply of clean, dry air at a predetermined pressure for the operation of all air-powered tools Compressor air tank - Heavy gauge steel tank for holding an extra supply of compressed air Compressor drain valve - Because compressing air makes moisture condense, this valve allows you to drain water compressor oil plugs - Used for filling and changing air pump oil Coupling - A connection that is male on both ends. Used to pair two pieces of hose together or to convert a female connection of one thread size to a male connection of one thread size to a male connection of another thread size cubic feet per minute (cfm) - The volume of air being delivered by the compressor to the air tool. Used to measure the compressor to the air tool. Used to measure the compressor's capabilities. Compressors with higher castes ratings provide more air through the tools, making them more practical for larger jobs Displacement - The theoretical amount of air in cubic feet that a compressor can pump in one minute ecentric - An egg-shaped part, mounted on the motor shaft, that acts on the diaphragm plate to pull the diaphragm up and down Gauges - Indicate regulated air pressure and sometimes main line pressure intake air filter - Filter found in a compressor. All air going into the compressor must pass through this filter so that no grit or dust passes into the cylinders. The filter prevents excessive wear on cylinder walls, piston rings, and valves pounds per square inch - A measurement of the air pressure or force delivered by the compressor pressure switch - An electric switch controlled by air pressure used for starting and stopping electric motors at preset minimum and maximum pressures Single stage compressor - A compressor in which air is drawn from the atmosphere and compressed in a single step