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A well-insulated heat exchanger is used to heat water (cp = 4.18 KJ/kg*K) from 300 K to 90°C with a mass flow rate of 3 kg/s. Heat is supplied by hot oil (cp = 2.3 KJ/kg*K) that enters the heat exchanger at 200°C with a mass flow rate of 15 kg/s. Determine the exit temperature of the oil, and the entropy generation of the heat exchanger. If instead of making this calculation, you had measured the exit temperature of the oil at 300K, comment on whether or not this is possible? Is your thermometer broken?
a round casting is 0.1 m in diameter and .5 m in length. another casting of the same metal is elliptical in
assuming that steam can be treated as an ideal gas what would the specific volume of steam be at 600deg f and 120 psia
a piston-cylinder device contains 12 kg of saturated vapor r-134a at 2.4 bar state 1. a 110v electric source supplies
a thermodynamic system undergoes a cycle composed of a series of three processes for q1 10 kj q2 30 kj q3 -5 kj. for
An adiabatic compressor is used to bring saturated water vapor at a pressure of 103 lbf/in^2 up to 1000 lbf/in^2, where the actual exit temperature is 1000 F. Find the compressor efficiency and the entropy generation. Is there an improvement by reduc..
Calculate the force required in direct extrusion of 1100-O aluminum from a diameter of 6 in. to 2 in. Assume that the redundant work is 30% of the ideal work of deformation, and the friction work is 25% of the total work of deformation.
consider a cylindrical nickel wire 1.9 mm in diameter and 3.2 times 104 mm long. calculate its elongation when a load
Briefly describe the meaning of the term mechatronics both in terms of the 'systems approach' and the technology involved.
a reheat regenerative rankine cycle. steam enters the turbine at 8mpa and 500 c at a rate of 15 kgs and is condensed to
find Torque at O2, and forces at O2, A and B, also calculate shaking force and shaking torque. MEE40003- Machine Dynamics
100 cubic feet of an ideal gas goes from a pressure of 20 psig and temperature of 80 deg f to a pressure of 100psig and
a piston-cylinder assembly contains air initially at 2 bar and 300 k and occupying a volume of 2 m3. the air undergoes
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