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Using the results from Example 11.2, tabulate and plot to correct vertical scale the hydraulic and energy grade lines. Assume a 10-m length between the two elbows.
a 200-m3 rigid tank initially contains atmospheric air at 100 kpa and 300 k and is to be used as a storage vessel for
determine the amount of heat necessary to raise the temperature of 1 kg of aluminum from 30oc to 100oc.
Water vapor enters a turbine at p1= 5 bar, T1=320? C and exits at p2 = 1 bar. The work generated is measure as 250 KJ per kg of water vapor flowing. Determine the isentropic turbine efficiency.
A dam is proposed on a remote stream that measures approximately 25-cm deep by 350-cm wide with an average velocity of 2.2 m=s. If the dam can be constructed so that the free surface above a turbine is 10 m, estimate the maximum power output of an..
A rubber balloon has a mass of 1500 g when it is deflated, i.e., empty. When the balloon is filled up with Helium gas (He = 0.18 kg/m3 ), it takes the form of a sphere with a 4 m diameter. (V-sphere= (4/3)(pi)(r)^3) Find the net upward force on the i..
A piston cylinder setup shown below contains 0.1 kg saturated water at 100 kPa with quality 0.25. The mass of the piston is such that a pressure of 500 kPa will float it. The water is heated to 300°C.
Specify the proper fail-safe action for the valves in the following services. Please explain your reasons. A valve manipulates the flow of natural gas (combustible) to a furnace. Another valve manipulates the flow of combustion air to the same fur..
Consider the isothermal compression of 0.1 moles of an ideal gas at 300 K from (P1=1.5 bar,V1=2 dm3) to (P2=3 bar,V2=1 dm3). The curve illustrates the internal pressure/volume relationship for the ideal gas at 300 K.If the compression of the gas is c..
water flows at 50oc inside a 2.5-cm-inside-diameter tube such that hi 3500 wm2 oc. the tube has a wall thickness of 0.8
consider a vertical piston-cylinder assembly with a 50 kg piston attached to a spring and exposed to atmospheric
Refrigerant 134a leaves the evaporator as saturated vapor at 1.4bar and is heated at constant pressure to 20 degrees C before entering the compressor.
Briefly describe the three absorption mechanisms in nonmetallic materials.
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