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Nitrogen (N2) gas at 100 kPa and 298 K enters a compressor steadily with a mas flow rate of 2 kg/s. The nitrogen leaves at 800 kPa and 580 K. Asume the compressor is well insulated. Do NOT assume the specific heats of the nitrogen as constant or a linear function of temperature.
Determine:
A) the rate of entropy generation during this process
B) if the process is reversible, irreversible or impossible.
A smooth flat plate, 500mm long in the flow direction and 200mm wide, is maintained at 300K in a parallel flow of 0.1 m/s Refrigerant-134a at 260K. Assuming both plate sides see external flow, determine:
The modulus of elasticity for a ceramic material having 5 vol% porosity is 296 GPa (43x10^6 psi). (a) Compute the modulus of elasticity for the nonporous material. (b) At what volume percent porosity will the modulus of elasticity be 231 GPa (33x10^6..
a sample of saturated clay from a consolidometer test has a total weight of 3.36 ib and a dry weight of 2.32 ib the
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a balloon in the upper atmosphere is filled with water vapor with a speci?c volume of 10 m3 kg. a if its volume is 25
Create a CAD model of the planar robot
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nitrogen n2 initially occupying 0.5 m3 at 1.0 bar 20 degree c undergoes an internally reversible compression during
1. graphically verify moseleys law for the k beta1 lines of cu mo and w.2. acalculate the mass an linear absorption
a cold storage room has walls made of 0.23 m of brick on the outside 0.08 m of plastic foam and finally 1.5 cm of wood
consider a shell and tube heat exchanger which is used to heat water cp water 4.33kjkgk from 10 deg c to 85 deg c
a u-tube manometer is used to measure the pressure of a vessel under vacuum. assume the manometer is open to
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