Podcast
Questions and Answers
In a steady state, the heat flow from air to wick is less than the latent heat of vaporization required to evaporate the moisture from the wick.
In a steady state, the heat flow from air to wick is less than the latent heat of vaporization required to evaporate the moisture from the wick.
False (B)
The wet bulb temperature is indicated by a dry bulb thermometer or similarly modified temperature sensor.
The wet bulb temperature is indicated by a dry bulb thermometer or similarly modified temperature sensor.
False (B)
The equation relating partial pressures and temperatures of air-vapor mixtures is widely used in calculations to determine thermodynamic properties.
The equation relating partial pressures and temperatures of air-vapor mixtures is widely used in calculations to determine thermodynamic properties.
True (A)
The dry bulb temperature is always higher than the wet bulb temperature.
The dry bulb temperature is always higher than the wet bulb temperature.
The vapor pressure at 40°C is 4.246 kPa.
The vapor pressure at 40°C is 4.246 kPa.
The dew-point temperature is the same as the wet bulb temperature.
The dew-point temperature is the same as the wet bulb temperature.
The humidity ratio is the ratio of the mass of water vapor to the mass of dry air.
The humidity ratio is the ratio of the mass of water vapor to the mass of dry air.
The humid volume is calculated using the ideal gas law.
The humid volume is calculated using the ideal gas law.
The relative humidity is the ratio of the partial pressure of water vapor to the vapor pressure at the dry bulb temperature.
The relative humidity is the ratio of the partial pressure of water vapor to the vapor pressure at the dry bulb temperature.
The gas constant used in the ideal gas law is 8.314 J/mol·K.
The gas constant used in the ideal gas law is 8.314 J/mol·K.
