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An autoclave contains 1000 cans of pea soup. It is heated to an overall temperature of 100°C. If the cans are to be cooled to 40°C before leaving the autoclave, how much cooling water is required if it enters at 15°C and leaves at 35°C? The specific heats of the pea soup and the can metal are respectively 4.1 kJ kg-1 °C-1 and 0.50 kJ kg-1°C-1. The weight of each can is 60 g and it contains 0.45 kg of pea soup. Assume that the heat content of the autoclave walls above 40°C is 1.6 x 104 kJ and that there is no heat loss through the walls.
a heat engine supposedly receives 500 kjs of heat from an 1100-k source and rejects 300 kjs to a low-temperature sink
as a heat transfer specialist for a large company in the mid-west you have been asked to determine the power needed to
ater enters a reversible steady-state device at 125degc and 400 kpa and leaves at 300degc and 200 kpa. heat is added
A losed system consists of 0.5 kmol of ammonia occupying a volume of 6m^3. Determine: The weight of the system in Newtons, and The specific volume in m^3/kmol AND m^3/kg. Let g = 9.81 m/s^2.
an engineer has proposed that a simple ideal rankine cycle that uses refrigerant-134a be used to produce work with heat
10 kilogrms of steam is inside a piston-cylinder. the steam goes through an iso-thermal expansion from 500 kpa and 200
below is measured voltage v at different time stimes nbsp nbsp nbspnbsp 0nbspnbspnbspnbsp 0.5nbspnbsp 1nbspnbsp 1.5nbsp
a machine part in a turbine-generator unit operates near room temperature and is made of astm a470-8 steel yield
two bars one having a circular section of radius b the other an elliptic section with semiaxes ab.for equal angles of
for n2 gas cpm is nearly constant at 3.5r 29.1 jmol k for temperatures in the range 100 to 400 k and for low or
The diffusivity of copper in a commercial brass alloy is 10^-20 m2/s at 500'C. The activation energy for diffusion of copper in this system is 195 kJ/mol. Calculate the diffusivity at 600'C.
the piston has a mass of 4kg and cross-sectional area of 35cm^2. A compressed spring above the piston exerts a force of 60N on the piston. if the atmospheric pressure is 95kPa, determine the pressure inside the cylinder.
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