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A pump steadily draws water at a mass flow rate at 20 lbm/s through a piping arrangement. At the pipe inlet, the pressure is 14.7 lbf/in^2, the temperature is 68 F, and the velocity is 10 ft/s. At the pipe exit, the pressure is 20 lbf/in^2, the temperature is 68 F, and the velocity is 40 ft/s. The exit is located 50 ft above the inlet. Determine the power required by the pump, in Btu/s and horsepower. (must use the conversion 32.2 lbm/ x ft/s^2 / 1lbf)
this is another safety-related problem. it is concerned with the leakage of a gas from a high pressure storage tank. a
consider a steam power plant that operates on a simple ideal rankine cycle and has a net power output of 45mw. steam
an atmospherse of a planet assumed to be pure carbon dioxide. surface pressure is 80 bar and the surface temperature is
If you attach torsion spring to inverted pendulum, is this the equation of motion? The spring is attached on one end to a pivot point and also at the pivot point the spring is attached. I used L/2 for the location of the center of mass.
The average temperature of the human body is 98.6°F. Calculate the maximum rate of heat transfer per unit area by radiation from the human body in a room that is at 50°F. What is the percent increase in the heat transfer if rate you are running a fev..
a factory has a large liquid propane storage tank. the propane is to be used as vapor. evaporation of the liquid
The lamp has a mass of 15 kg and is supported by a pole AO and cables AB and AC. If the force in the pole acts along its axis, determine the forces in AO, AB, and AC for equilibrium.
steam at 3 mpa and 400 degc is expanded to 30 kpa in an adiabatic turbine with an isentropic efficiency of 92 percent.
determine the entropy generated for carbon dioxide in a pistoncylinder with an initial volume of 200 l at 300 degrees c
a curved nozzle assembly that discharges to the atmosphere is shown. the nozzle mass is 4.5 kg and its internal volume
on an overflow structure of 50 degrees slope the water depth measured normal to the surface of the structure is 1.2 m 4
a tank contains 1 m3 air at 100 kpa 300 k. a pipe flowing air at 1000 kpa 300 k is connected to the tank and it is
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