When the ___________ number is unity, one can expect the momentum and mass transfer by diffusion to be the same.
(a) Grashof
(b) Reynolds
(c) Lewis
(d) Schmidt
(e) Sherwood
(d) Schmidt
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The animal industry is supported by other parts of agriculture. Name three
What will be an ideal response?
Illuminated entry systems turn on the ____ lights before the doors are opened.
A. low beam B. parking C. courtesy D. side marker
A flat-plate solar collector is used to heat water by having water flow through tubes attached at the back of the thin solar absorber plate. The absorber plate has a surface area of 2 m2 with emissivity and absorptivity of 0.9. The surface temperature of the absorber is 35°C, and solar radiation is incident on the absorber at 500?W/m2 with a surrounding temperature of 0°C. The convection heat transfer coefficient at the absorber surface is 5?W/m2•K, while the ambient temperature is 25°C. Net heat absorbed by the solar collector heats the water from an inlet temperature (Tin) to an outlet temperature (Tout). If the water flow rate is 5?g/s with a specific heat of 4.2?kJ/kg•K, determine the temperature rise of the water.
In what range of soil pH is phosphorus generally most available to plants?
A) 5.5-7.0 B) 7.0-8.0 C) >8.0 D) 4.5-5.5 E) 3.5-4.5