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A steady flow air compressor takes in 5.00 kg/min of atmospheric air at 101.3 kPa and 20.0°C and delivers it at an exit pressure of 1.00 MPa. The air can be considered an ideal gas with constant specific heats. Potential and kinetic energy effects are negligible.
If the process is not reversible but is adiabatic and polytropic with a polytropic exponent of n = 147, calculate
a. The power required to drive the compressor.
b. The entropy production rate of the compressor.
a 1.000 ft3 glass bottle is initially evacuated then has 1.000 g of water added that eventually comes to equilibrium at
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At the proportional limit, a 30 mm wide × 12 mm thick bar elongates 2.0 mm under an axial load of 41.5 kN. The bar is 1.5-m long. If Poisson’s ratio (ratio between longitudinal and lateral deformations) is 0.33 for the material, determine:
Assuming nominal annual yields of 700,000, 5,500,000, and 3,800,000 kg/km2 for corn grain, sugar cane, and sweet sorghum respectively, which conversion pathway is the most productive use of land? Use conversion yield values given in ethanol section..
Germanium and silicon have melting points of 958 and 1430 oC, respectively, and they form a continuous solid solution (totally soluble, like Cu-Ni). Thermal analysis provides the following data: Alloy liquidus solidus (wt% Si) temp. (oC) temp. (oC) 2..
saturated stream at 100 lbin2 abs is used to heat co2 in a cross flow heat exchange consisting of 4 14 in od brass
Calculate the required diameter of a parachute in the form of a hemispherical cup supporting a man weighing 800 N if the terminal velocity (see Section 2.6.4, Chapter 2) in air at 40°C is to be 5 m/s.
The strategy for controlling the rotor speed of a variable speed wind turbine is to aim at the relation shown in the figure below between the rotational speed of the generator and the generator power.
Determine the required capacity coefficient of the flow control valve
a shearing machine cuts flat sheet steel strips 100mm wide by 25mm thick and 6j of work are required per square mm cut.
suppose that the mass in a mass-spring-dashpot system with m10 c9 and k2 is set in motion with x00 and x05 a find the
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