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Oil Enters a counterflow heat exchanger at 450k with a mass flow rate of 10 kg/s and exits at 350k. A seperate stream of liquid water enters at 20 C, 5 bar. Each stream experiences no significant change in pressure. stray heat transfer with the surroundings of the heat exchanger and kinetic and potential energy effects can be ignored. the specific heat of the oil is constant, c=2 kJ/kg k. if the designer wants to ensure no water vapor is present in the exiting water stream, what is the allowed range of mass flow rates for the water, in Kg/s?
the hot gas supply to a propulsion nozzle is at a pressure of 55kpa and temperature of 800k. the ambient pressure is
a 9-m-long steel e 200 gpa pipe column has an outside diameter of 220 mm and a wall thickness of 8 mm. the column is
calculate stoichiometric af ratiop of benzene c6h6. in an actual combustion of benzene the airfule ratio was 121.
consider a magnet moving in a coil of n turns. this system can be modelled as mass spring damper system. the damping
r-22 enters an insulated diffuser as saturated vapor at 4c with a velocity of 300ms. the refrigerant exits the diffuser
Assuming a coefficient of static friction equal to 0.2 at the common surface, find the maximum torque that may be transmitted by the flywheel without slippage.
a gate with a circular cross section is held close by a lever 1 m long attached to a buoyant cylinder. the cylinder is
saturated water vapor at 400 f is heated at constant pressure until its volume is doubled. determine the final
a car starts from rest with an acceleration of 1300 mih2 which remains constant until its velocity reaches 65 mph.
Determine if the shaft has infinite fatigue life. If not, determine the number of cycles to failure. Also determine the safety factor for first cycle yield and draw a free body diagram, shear and moment diagrams, and graph the loads on the shaft..
a piston-cylinder arrangement initially contains water at p 300 psia and t 500of. the piston is moved to a final
a laboratory glass bottle used in laboratory studies of hypoxia contains gas of the following composition expressed as
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