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A refrigerant 134a at 140 KPa and -10 degree celcius is compressed by an adiabatic 16KW compressor to an exit state of 700KPa and 60 degrees celcius. determine:
a, the mass flow rate of the refigerant entering the compessor (kg/s)
b, the change in entropy of the refrigerant
c, the isentropic efficiency of the compressor
d, calculate the maximum mass flow rate at the inlet condition that this compressor can handle without violating the second law of thermodynamics.
ten kilograms of water initially at 3000 kpa 200degc are contained in a piston-cylindernbspdevice shown below. a
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consider the power system as designed below. the duty fluid is water and has a mass flow 0.75 kg s and all piping
A hollow cylinder steel column of 5 m high is shortens by 0.03 cm under a compression load of 40, 000 kg. If the inner radius of the cylinder is 0.08 of the outer one, what is the outer radius?
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Explain what is meant by an overall heat transfer coefficient and explain what is mean by failing and what its effect will be on the value of the overall heat transfer coefficient.
In an ore minig operation, a bucket full of ore is suspended from a traveling crane which moves slowly along a stationary bridge. The bucket is to swing no more than 4m horizontally when the crane is brought to a sudden stop. Determine the maximum..
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Calculate the adiabatic flame temperature (at constant pressure) for ethane C2H6 in air
a 20 mm id steel tube carries liquid at 10 mpa. assume that the tubing is very long. determine the principal stresses
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