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23 Cards in this Set
- Front
- Back
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In what component of the compressed air system is the air stores |
Receiver tank |
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Air in a compressed air system must be free of what impurity’s |
Water Oil Dirt |
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The most common compressor |
Reciprocating |
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What controls the compressor cycle in and out pressures |
Pressure switch |
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What should the delta tee be on a compressed air system |
15 psi |
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At what pressure are pressure relief valves set at |
10 psi above the cut out pressure setting |
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What is the location for the installation of pre-filters |
On the suction inlet to the compressor |
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Name one style of aftercooler |
Plain |
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Inter coolers are used to cool the compressor by how many degrees |
10f |
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Diaphragm compressors need what |
Very clean air |
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Compressors operate around what speed |
5000 |
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Max allowable pressure drop |
5psi |
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What two types copper can be used for med gas |
L&k |
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When joining _______ metals flux is permitted |
Dissimilar |
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Med gas copper tube must be a minimum grade of |
Type l |
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Type k copper must be used for sizes over |
3” |
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Minimum size fitting that can be concealed when using med gas |
1/2” |
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Max pressure test for med vac system |
450kpa (60psi) |
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Minimum test pressure for a nitrogen designed to operate at 120 psi |
180psi |
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Each med gas system must be tested at every |
Terminal |
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Minimum height of identification letters |
3/8 |
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Flow test measures the |
Pressure drop |
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Med gas to be tested at? |
150/24hrs |
