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Repeat Prob. 14-83E for a total pressure of 14.4 psia for air.
Prob. 14-83E
Air enters a 1-ft-diameter cooling section at 14.7 psia, 90°F, and 60 percent relative humidity at 600ft/min. The air is cooled by passing it over a cooling coil through which cold water flows. The water experiences a temperature rise of 14°F. The air leaves the cooling section saturated at 70°F. Determine (a) the rate of heat transfer, (b) the mass flow rate of the water, and (c) the exit velocity of the airstream.
A crest vertical vurve and a horizontal curve on the same highway have the same design speed. The equal-tangent vertical curve connects a +3% initial grade with a +1% final grade and has a PVC at 101+78 and a PVT at 106+72
Why do the X components of the reaction forces need to be considered when resolving the moment about point A
a 300 lb block is supported by a rope that was wrapped 1 1/2 times around a horizontal rod. Knowing that the coefficient of static friction is .15 determine the range of values of P for which equilibrium is maintained
Suppose the average concentration of SO2 (SOsub2) is measured to be 400microgram/cu.m at 25degree celcius and 1 atm. Does this exceed the (24-hr) air quality standard of 0.14 ppm
A differential leveling loop began and closed on BM bridge (elevation 103.895m). The plus sight and minus sight distances were kept approximately equal
If OA has a constant counterclockwise angular velocity of 10rad/s, calculate the angular acceleration of link AB and link BC for the position where the cordinates of A are x=-60mm and y = 80mm.
Assuming unit surface area, find the conductive heat loss through the furnace wall and the temperature at the interface of the fire clay and red brick.
The 500- bed Lotta Hart Hospital has a small activated sludge plant to treat its wastewater. The average daily hospital discharge is 1200 L/day per bed
Fresh water enters the process in 3 streams – approx. 0.5 ML/d enters with chemicals at the dry end of the machine, approx. 1 ML/d enters at the wet end of the machine and the boiler consumes approx. 0.2 ML/d.
A proposed square footing carrying a total load of 500 kips is to be constructed on a uniform thick deposit of dense cohesionless soil. The soil's unit weight is 135 pcf, and its angle of internal friction is 38 degrees.
Determine the Modulus of Elasticity of Concrete by the ACI formula for a concrete cylinder that has a unit weight of 120pcf (1920kg/m^3) and a compressive strength of 3000 psi (21MPa).
The air pollution emission rate E in a parking lot may be approximately by the step function shown in figure E10.5. Assuming a constant airflow F and zero initial pollutant concentration, plot the C as a function of time.
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