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The top floor of an office building is 40 m above street level and is to be supplied with water from a municipal pipeline buried 1.5 m below street level. The water pressure in the municipal pipeline is 450 kPa, the sum of the local loss coefficients in the building pipes is 10.0, and the flow is to be delivered to the top floor at 20 L/s through a 150 mm diameter PVC pipe. The length of the pipeline in the building is 60 m, the water temperature is 20.C, and the water pressure on the top floor must be at least 150 kPa. Will a booster pump be required for the building? If so, what power must be supplied by the pump?
Find the cooling load (in tons of refrigeration) for a room supplied with 10,000 CFM of 95 DB outside air with ratio of 105 gr/lb. The room is to be maintained at 78 DB and humidity ratio of 71.5 gr/lb. The room calculated sensible heat load is 108,0..
A pond has a surface area of 1.0 acre. A stream flows into the pond at 1.2 cubic feet per second for the entire year. The evaporation rate, also steady for the entire year, is 1 in. /month. Assume that the pond is in the shape of a cylinder.
An 8-inch water main with a flow rate of 14 ft3/sec raises 100-feet. At the beginning of the main the pressure is 110 psig and drops to 50-psig at the end. For this water main calculate the head loss
For simplicity assume the catapult consists of the piston-cylinder geometry (with the piston as the projectile) and that it is positioned horizontally. The steam initially occupies a volume of 1 liter at a pressure of 200 kpa.
Write a VBA function that receives a gauge pressure and barometric pressure and then returns the absolute pressure. Have the function check whether the barometric pressure is zero
Determine the deflection angle to the last full station on a horizontal curve with Da=3 degrees. The PI is located at station 12.20 and the central angle is 24 degrees.
Estimate the force on the chimney and the bending moment at the bottom of the chimney. You may assume that the effect of the wind on the first 1 m height of the chimney has a negligible effect on the force and the moment.
A waste heat source is available at 400°C. A heat engine operates using heat from this source. It rejects heat to the surroundings at 38°C. The power from the engine runs an air conditioner to keep the air inside a building at 25°C
a draw the free-body diagrams for the entire assembly or structure and each of its parts. neglect friction and the
In incremental launching method of bridge construction, what are the measures adopted to enhance sufficient resistance of the superstructure during the launching process?
List some of the common sources of sulphate ions in natural and industrial environments. For a given sulfate concentration, explain which of the following solutions would be the most deleterious and which would be the least deleterious to a permea..
An L2 steel strap having a thickness of 0.125 in. and a widthof 2 in. is bent into a circular arc of radius 600 in. Determine the maximum bending stress in the strap.
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