A hot air heating system rated at 84000 btuhr has an
A hot air heating system rated at 84,000 Btu/hr has an efficiency of 65%. The furnace fan can move 225 ft3 of air per minute. If the air enters the furnace at 60.0°F, determine the temperature of the outlet air.
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A grizzly bear eats 20 fish per day, and a pollutant at a concentration of 30 ppb contaminates the fish. On average, the pollutant remains in the bear's body for 2 years. What is the steady-state concentration (in ppm) of the pollutant in the bear
Create a vector containingsamples of the signal y(t)=x(t-5) for a=0.01 and T=10 over therange t=[0: a :T-a]. since x(t) is effectively zero for|t|>5, you can calculate CTFT of gthe signal y(t)=x(t-5) fromthe above analysis using N=T/a.
100.0 W tungsten filament bulb generates 95.0 W of heat, determine difference in temp. between inner and outer surface of glass
In Excel, calculate net revenue, or the revenue from the investment minus the costs; the present value coefficient for every year; and the present value of the net revenue. Add together column F to get the net present value of the project. Should
A hot air heating system rated at 84,000 Btu/hr has an efficiency of 65%. determine the temperature of the outlet air
When the pollutant's concentration reaches 90% of its steady-state value, the flow of the pollutant is stopped. On what date will the concentration of the pollutant fall to 1% of its maximum concentration? Assume that the rate constants of the inc
Just build the payoff matrix model in each caseb.)compute a regret (opportunity loss) matrix.HINT:Your payoff matrix should have six strategies and nine states of nature.
The light from a cameras electronic flash is produced when a high voltage obtained by charging a capacitor is applied to electrodesin a xenon-filled flash bulb. (a) to what voltage would a 60-microfarad capacitor be charged by a6mA current lasting
A charge of -250e is uniformly spread through the volume of a sphere of radius 2.00 cm. What is the volume charge density in that sphere
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