Psychrometrics 4 Quiz Nate Questions

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salvatorefricano
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304897
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Psychrometrics 4 Quiz Nate Questions
Updated:
2015-07-08 22:41:31
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Psychrometrics Nate
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Psychrometrics 4 Questions Nate
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  1. At cold temperatures air can hold very little water: 
    True 
    False
    True
  2. The air mixture calculations are performed on which of the following: 
    A:Mass basis 
    B:Volume basis 
    C:Can be either mass or volume basis
    • A:Mass basis
    • Because the volume will change but the mass will not.
  3. In Psychrometric chart specific volume is indicated by which of the following: 
    A:Sloping lines 
    B:Vertical lines 
    C:Horizontal lines
    A:Sloping lines
  4. Maximum amount of water vapor air can hold _____  with temperature: 
    A:Decrease 
    B:Increase
    B:Increase
  5. When dry bulb temperature is equal to wet bulb temperature, the evaporation rate will be: 
    A:Will be zero 
    B:Decreased 
    C:Increased
    A:Will be zero
  6. Higher the dew point, _____ will be the water content of air: 
    A:Lower 
    B:Higher
    B:Higher
  7. Air can gain heat with which of the following: 
    A:Either an increase in temperature or increase in moisture content 
    B:Increase in temperature 
    C:Increase in moisture content
    A:Either an increase in temperature or increase in moisture content
  8. ______ It is expressed in Btu per pound of dry air: 
    A:Enthalpy 
    B:Latent heat 
    C:Sensible heat
    A:Enthalpy
  9. Wet bulb temperature _______ as rate of evaporation of water from the wick increases. 
    A:Increases 
    B:Decreases
    B:Decreases
  10. The greater the wet bulb or dew point depression, ______ will be Relative humidity: 
    A:Lower 
    B:Higher
    A:Lower
  11. In Psychrometric chart, lines of _____ run diagonally downward from left to right across the chart. 
    A:Dry bulb temperature 
    B:Constant enthalpy 
    C:Latent heat 
    D:Relative humidity
    B:Constant enthalpy
  12. 10oF rise in air temperature can decrease relative humidity ______ : 
    A:20 % 
    B:40 % 
    C:10 % 
    D:60 %
    A:20 %

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