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Water vapor (H2O) is heated during a steady-flow process at 1 atm from 298 to 3000 K at a rate of 0.2 kg/min. Determine the rate of heat supply needed during this process, assuming
(a) some H2O dissociates into H2, O2, and OH and
(b) no dissociation takes place.
A rectangular channel of width 12 ft has an upstream slope of 0.02 ft/ft and a downstream slope of 0.0005 ft/ft. Both reaches have lengths of 500 ft. The upstream reach has a Manning's roughness of 0.016 and the downstream reach has a roughness of 0...
A water storage tank located on a larege dairy farm has a storage capacity of 0.1 ML. The average rate of water consumption from this tank is 6.25 kL per day, every day.
The Metrodome's inflatable roof covers 10.0 acres and its interior volume is 60.0x103 cubic feet. During construction, 40.0x103cubic yards of concrete, 11.9x103 tons of reinforcing steel, and 5.00x102 tons of structural steel were utilized.
The concentration of carbon in an iron-carbon alloy is 0.15 wt%. What is the concentration in kilograms of carbon per cubic meter of alloy?
suppose a steel material of specific gravity of 7.8 is attached to a wood of specific gravity 0.8. if it is required that the material does not sink or rise when left in static water, what should be the proportion of the volume of the steel to tha..
A classroom that normally contains 40 people is to be air conditioned with window air conditioning units of 5 kW cooling capacity. A person at rest may be assumed to dissipate heat at a rate of about 360kJ/h
The heat absorption from the refrigerated space takes place at a pressure of 30 psia. Show the cycle on a T-s diagram relative to saturation lines
If the car passes point A with a speed of 20m/s and begins to increase its speed at a constant rate of At=0.5m/s^2, determine the magnitude of the car's acceleration when s=100m and x=0.
An electrodialysis stack is to be used to partially demineralize 100,000gal/day of advanced treated wastewater so that it can be used for reuse by an industry. the membranes are 30 x 30in., and the salt concentration is 4500mg/L. the cations an..
The bond has a maturity date of 10 years from now. How much the person must sell the bond for 6 years from now in order to make a rate of return of 10% per year, compounded semiannually is closest.
For the remaining 15 m of its length, the diameter remains uniform at 200 mm. The height of water level in the tank is 5 m above the axis of the pipe. Determine the velocity of flow at the exit of the pipeline considering all losses. Assume Darcy'..
Part of the moisture in the air that condenses during the process is also removed at 15°C. Determine the rates of heat and moisture removal from the air.
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