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A heat engine operates by receiving 300,000 Btu/hr of heat from steam at a temperature of 750 deg. F. It rejects heat to a lake that is at 65 deg. F. What is the maximum power output that this engine can produce in hp?
a 12x36 and 9 high empty prism composed of a material with an elastic modulus of 345000 psi 9000 psi yield stress the
oxygen tanks are filled by compressing the oxygen gas as shown. an initially evacuated 1 m3 tank is to be filled to
The formula for the coefficient of performance 'COP' for air standard refrigeration cycle when we use cold air properties is not given in the text. Derive the expression for COP as function of the compression ratio similar to how the ideal Brayton..
A piston cylinder assembly which initially has a volume of 1m^3 is filled with .7 kg of air. The pressure on the air is always maintained at 1.2 bars. Heat transfer is allowed to take place until the volume is 60 percent of the initial value. You may..
a 2000kg ship initially at rest in an inertial system is accelerated along a straight line for 3.16e7 seconds by means
Nan crystalline materials have grain sizes ranging from 0.01 to 0.1 microns. If the contribution of grain boundary strengthening in an alloy with grains of 0.1 microns is 20 MPa, what would you expect it to be if the grain size were reduced to 0.01 m..
a flow of 30.5 kgmin of water from a hot water tank at 51oc is mixed with a 29.1 kgmin flow of 20oc water. determine
A new fire resistant insulation is to be tested. A specimen of the insulation is placed in front of a test furnace. The specimen is 140 mm thick, and is initially at 25°C. The furnace gases are at 900°C, and the convective heat transfer coefficient o..
Effective Matching of Surface Roughness, Concerning the effective matching of surface roughness using a lathe, I have been asked to quantify Ra = C1* s^C2 v^C3 Re^C4
The heat capacitance of various gases
one hundred btu of heat are transferred directly from a thermal-energy reservoir at 1200 or to one at 600 or. calculate
2. a certain production process produces two parts a bearing and a shaft. in the final assembly the shaft and the
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