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A condenser-boiler section contains a 2-m X 2-m copper plate operating at a uniform temperature of Ts = 100°C and separating saturated steam, which is condensing, from a saturated liquid-X, which experi- ences nucleate pool boiling. A portion of the boiling curve for liquid-X is shown as follows. Both saturated steam and saturated liquid-X are supplied to the system, while water condensate and vapor-X are removed by means not shown in the sketch. At a pressure of 1 bar, fluid-X has a saturation temperature and a latent heat of vaporization of Tsat = 80°C and hfg = 700,000 J/kg, pressure p for the steam, assuming that film condensation occurs.
A small vapor-compression refrigeration unit is to be built into a recreational vehicle and is designed to operate on a 12-volt electrical system. The refrigerator has a cooling capacity of 500 W and uses R-134a. The refrigerant enters the compressor..
Find the horizontal and vertical area moment of inertias of the cross-section shown with respect to its centroid.
A residential heat pump has a coefficient of performance of 2.6. How much heating effect in Btu/h will result when 4.6 hp is supplied to the heat pump?
in a compton experiment an electron attains a kinetic energy of 0.1 mev when a 0.5mev x-ray strikes it. determine the
a refrigeration cycle is a reversed heat engine. which of the following has the maximum value of the co-efficient of
4 kw motor is driving an oil pump with an efficiency of 95 in a 10 mm diameter pipe. if the velocities of the fluid in
two well-insulated tanks contain air. initially tank a hold 1.0 lb of air at 1440 r and tank b has 2.0 lb of air at
a 5.0 kg steel block is resting on a horizontal table. the coefficient of static friction us is 0.75 and the uk is
in 2001 the united states produced 51 of its electricity in the amount of 1.878 1012 kwh from coal fired power plants.
a storage tank holds 75 cubic meters of a gas at 28deg c and a pressure of 130kpa. the gas appears to have a molecular
air enters the compressor of an air-standard brayton cycle at 100kpa 300k with a volumetric flow rate of 5m3s. the
a smaller power plant produces steam at 3 mpa 600 c in the boiler. it keeps the condenser at 45 c by transfer of 10 mw
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