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Determine the total force, in kN, on the bottom of a 100 A 50 m swimming pool. The depth of the pool varies linearly along its length from 1 m to 4m. Also, determine the pressure on the floor at the center of the pool. In kPa, the atmospheric pressure is 0.98 bar, the density of the water is 998.2 kg/m3. And the local acceleration of gravity is 9.8 m/s2.
a high strength steel drill rod used for boring a hole in the earth has a diameter of 0.5 in. the allowable shear
Air is made up of Nitrogen, Oxygen, Carbon dioxide, Argon, water vapor, and some other stuff in really small amounts. List the compressibility factors for Air, Nitrogen, Oxygen, Carbon dioxide, Argon, and water at 300K and 100kPa.
a piston-cylinder contains 0.1kg of superheated steam at 180 degrees celsius and 5 bars. the pison is frictionless and
airplane takeoff from an aircraft carrier is assisted by a steam-driven pistoncylinder with an average pressure of 1250
A rectangular casting having the dimensions 3 inch by 5 inch by 0inch solidifies completely in 11.5min. Using n=2 in 2 in Chvorinov’s rule, calculate the mold constant B. Then compute the solidification time of a 0.5inch by 8inch by 8inch casting pou..
Using constant specific heat method
a two-stage cascade refrigeration system is to provide cooling at -40oc while operating the high-temperature condenser
The Acme Company claims to have designed an adiabatic turbine that will produce 126.2 BTU per pound of steam. The operating conditions are labeled on the diagram below. Is this company's claim valid or is this a perpetual motion machine? Hint: Determ..
the electrical resistivity of 90wt. cu-10wt. ni cupronickel alloy at room temperature is 16x10-8?.m. the electrical
Steam enters a turbine steadily at 10 MPa and 550oC with a velocity of 60 m/s and leaves at 25 kPa with a quality of 90 percent. A heat loss of 30 kJ/kg occurs during the process. The inlet area of the turbine is 200 cm2, and the exit area is 1400 cm..
a curved nozzle assembly that discharges water to the atmosphere is shown. the nozzle mass is 4.5 kg and its internal
a prove using the increse in entropy principle that the maximum thermal efficiency for any heat engine is the carnot
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