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If the weather report says that it is 60°F outside, the barometric pressure is 28.50 in Hg, and the relative humidity is 85.0%, find the following values.
1) The partial pressure of water
2) The mole fraction of water vapor in the air
3) The dew point
4) The molal humidity
5) The absolute humidity
6) Percentage humidity
What does this case demonstrate about the effect of poor project screening methods on a firm's ability to manage projects effectively? How would project portfolio management help to improve the situation at Keflavik?
Write down the transfer function of a third-order system with unity steady-state gain which has a real pole at s = -1 and a pair of complex poles at s = -1 +- ja. Simulate the open-loop step response of the system for 'a' values of 1, 2, 4, and 10, a..
Calculate the force on a wall subjected to a two-phase jet that has the following parameters:
Joe's Coffee Shoppe has fresh doughnuts delivered each morning. Daily demand for plain doughnuts is approximately normal with a mean of 200 and a standard deviation of 30. Joe pays $0.20 per doughnut and sells it for $0.55. At the end of the da..
A flow field for a fluid is described by u=(2+y) m/s and v=(2y) m/s, where y is in meters. Determine the equation of the streamline that passes through point (3m, 2m). Write the equation in the form x={x(y)}, where y is in meters.
Find the Herfindahl index for an industry composed of ( a) three firms- one with 70 percent of the market, and the other two with 20 and 10 percent of the market, respectively; (b) one firm with a 50 percent share of the market and 10 other equ..
A steel pipe with a 5 cm OD is covered with a 6.4 mm asbestos insulation (k=0.166 W/m.K) followed by a 2.5 cm layer of fiber glass insulation (k= 0.048 W/m.K). The pipe wall temperature is 315oC and the outside insulation temperature is 38oC. Calcula..
In your own words explain, operations management? In your own words, what is Total Quality Management? In your own words, explain three quality costs.
A counter flow cooling tower cools 2000 gal/min water from 104 F to 85 F with 210,000 ft^3/min of air at 90 F Dry bulb Temperature and 76 F WBT . The Mass transfer coefficient -surface area product is hA= 123lbm/hr ft^3. Air mass flow rate per unit c..
Two reversible engines operate in series between temperatures of 1000 F and 100 F. If the first engine receives 1000 Btu, determine the total work output of this arrangement and the temperature at the inlet to the second engine. Assume that both engi..
describe one method for manipulation of microstructure and mechanical properties for each of the following class of
compute the second specimen's radius after deformation.
a water tank consists of a cylindrical part of radius r and height h and a hemispherical top. the tank is to be
according to a brochure from dow chemical company the pressure drop for water flowing through a bed of 20-mesh to
a power cycle operates between hot and cold reservoirs at 500k and 310k respectively. at steady state the cycle
an insulated rigid tank is divided into two chambers by a membrane. chamber a has a volume of 3 ft3 and intially
a tank having a volume of 0.05m3 contains 80 saturated vapor and 20 saturated liquid water by volume at a temperature
a square aluminum plate 5 mm thick and 200 mm on a side is heated while vertically suspended in quiescent air at 40c. a
a gas-turbine power plant operates on a simple ideal brayton cycle with air as the working fluid. the air enters the
saturated-vapor steam at 2 psia enters a condenser and leaves as saturated-liquid at the same pressure. steam mass flow
steam at 1.6 mpa and 400 degrees celcius is contained in a rigid box. the system is then cooled to 200 degees celcius.
A 3500 Ib. automobile is traveling down a 10 incline a 20 ft/./s. if the driver slams the break, causing the wheels to lock , determine how far the tires slide. the coefficient of kinetic friction between the wheels and the road is uk=0.5
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