Determine the change in flow stream entropy
Air is throttled from 1.00 MPa and 30.0°C to 0.100 MPa in a steady flow, adiabatic process. Assuming constant specific heat ideal gas behavior and ignoring any changes in kinetic and potential energy, determine the change in flow stream entropy.
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A heat pump with a coefficient of performance of 3.5 provides energy at an average rate of 70,000 kJ/h to maintain a building at 20oC on a day when the outside temperature is -5oC. If electricity costs 8.5 cents per kW.h.
A taut rope has a mass of 0.170 kg and a length of 3.55 m. What power must be supplied to the rope to generate sinusoidal waves having an amplitude of 0.110 m and a wavelength of 0.490 m, traveling with a speed of 31.0 m/s?
A steam turbine is limited to a maximum inlet temperature of 800.°C. The exhaust pressure is 0.0100 MPa, and the moisture in the turbine exhaust is not to exceed 9.00%.
Calculate the fugacity and fugacity coefficient of carbon dioxide at 100F and 200psia from the data.
Air is throttled from 1.00 MPa and 30.0°C to 0.100 MPa in a steady flow, adiabatic process. Assuming constant specific heat ideal gas behavior and ignoring any changes in kinetic and potential energy, determine the change in flow stream entro
A wire is made of two sections with different diameters. Which of the following statements is (are)
A cylindrical copper rod has resistance of 0.3 ohm. It is reformed to 3.8 timesm its original length with no change of volume. What is its new resistance in ohms?
what is the expected cycle service level (aka type 1 service level)? How can one avoid the bullwhip effect or at least reduce its consequences? list at least two highlyeffective remedies.
Determine each of the following Optimal manufacturing run size. Resulting total annual cost for carrying inventory and for production setups.
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