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Steam at 0.05 bar, 100.0 is to be condensed completely by a reversible constant pressure process. Calculate the heat rejected per kilogram of steam, and the change of specific entropy. Sketch the process on a T-s diagram and shade in the area which represents the heat flow.
a nozzle receives 0.1 kgs of steam at 10 bar and 400 degrees c with negligible kinetic energy. the exit is at 5 bar and
steam at 1 bar enters an adiabatic heat exchanger with a quality of 0.901 and exits as a saturated liquid. the steam is
an engineer has proposed that a simple ideal rankine cycle that uses refrigerant-134a be used to produce work with heat
air is compressed steadily by a reversible compressor from an inlet state of 100kpa and 300k to an exit pressure of 900
An irreversible heat pump is designed to remove heat at 7 C from the atmosphere and supply 43,200 kJ/h to an industrial process at 420 K . The COP of the actual heat pump is 60% of that of an internally reversible heat pump operating between the same..
Liquid propanol at 250C is burned with air at the same temperature in an atmospheric pressure combustor operating at steady conditions. Products of combustion are cooled to a temperature of 250C. Enthalpy of formation of liquid propanol = -301,000 kJ..
The required cross sectional areas for bar, given an allowable tensile stress of 45 ksi, and an allowable compressive stress of 24 ksi. Tabulate your result showing bar forces, cross sectional areas and lengths
consider a piston-cylinder device with a piston surface area of 0.1m2 initially filled with 0.05m3 saturated water
what are the properties of petrol that it make particularly suitable for the use as fuel in a motor vehicle.
if ice homogeneously nucleates at -49.3oc calculate the critical radius given values of -3.1 times 108 jm3 and 25 times
an adiabatic heat exchanger is used to heat cold water at 15degc entering at a rate of 5 kgs by hot air at 90degc
hot water flows through a pvc k.092 wmk pipe whose inner diameter is 2 cm and outer is 2.5 cm. the temperature of the
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