APBI 244 Mid Term UBC Question and answers already passed
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Course
APBI
Institution
APBI
APBI 244 Mid Term UBC Question and answers already passed
Thermal Conductivity vs Heat Capacity - correct answer Thermal conductivity describes the ability of soil to conduct heat by molecular motion accross a temperature gradient. Heat capacity describes the amount of heat needed to raise/low...
APBI 244 Mid Term UBC Question and
answers already passed
Thermal Conductivity vs Heat Capacity - correct answer ✔Thermal
conductivity describes the ability of soil to conduct heat by molecular motion
accross a temperature gradient. Heat capacity describes the amount of heat
needed to raise/lower the temperature of a soil by 1 degree C
Flux vs Flux Density - correct answer ✔Flux- Flow of energy per unit time
(Js-1). Flux Density- Flow of energy per unit time per unit area (Js-1m-2)
Solar Constant vs Solar Irradiance - correct answer ✔Solar Constant- The
average flux density from the sun hitting the top of earths atmosphere
perpendicularly. Solar Irradiance- the flux density of the sun reaching the
earths surface for a given area at a particular time. (Both expressed as Wm-2.
Relative Humidity- - correct answer ✔Relative Humidity- The ratio of water
vapor density to the saturation density. Expressed as a percent. (pv/pv*)
Wind Direction - correct answer ✔The horizontal angle clockwise at which
the wind is blowing.
Absortivity - correct answer ✔The fraction of the irradiance on a surface that
is absorbed.
Three main energy transfer processes - correct answer ✔Radiation,
conduction, convection
Psychrometer - correct answer ✔Instrument with wet and dry bulb
thermometer which measures the vapor pressure
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