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10 Cards in this Set
- Front
- Back
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In a deliquescent dryer, is the flow normally upward or downward through the bed |
Upward |
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Define relative humidity |
A comparison of the amount of water a sample of air holds to the maximum amount it could hold if saturated |
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Define dew point |
The temperature to which air must be lowered in order for condensation of water vapour to begin |
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Regenerative dryers often use a portion of the dried air for regeneration of the saturated desiccant bed |
True |
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Desiccant are most often a salt of some kind |
False the common desiccant are activated alumina, granular and bead type Silica gel and molecular sieves |
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There are forms of energy other than electricity that can be very harmful and equipment must be locked out to prevent injury |
True |
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As a sample of air that is partially saturated cools, relative humidity rises |
True |
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It takes more heat energy to change the phase of a volume of liquid to a vapour without any change in temperature than it does to increase its temperature 1 Degree without any phase change |
True |
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Name the four categories of air dryers |
Absorption Adsorption Refrigeration Mechanical |
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When working on a dryer, you must ________and __________the complete system, as well as lockout the compressor whenever possible |
When working on a dryer, you must depressurize and isolate the complete system, as well as lockout the compressor whenever possible |
