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0.09m^3 of a fluid at 0.7 bar are compressed reversibly to a pressure of 3.5 bar according to a law pv^n=constant. The fluid is then heated reversibly at a constant volume until the pressure is 4 bar; the specific volume is then 0.5m^3/kg. A reversible expansion according to a law pv^2-constant restores the fluid to its initial state. Calculate the mass of the fluid present, the value of n in the first process and the net work done on or by the fluid in the cycle. Sketch the cycle on the p-V diagram.
consider steady heat transfer through a 5m by 6m brick wall of a house of thickness 30cm. on a day when the temperature
a feedwater heater uses extracted steam p1500kpax1100 to preheat feedwater t250 celcius p2500kpa. assuming no heat
what is the role of solid state diffusion in i case hardening of steels ii creep processes in nickel base super alloys
air is throttled from 1500 psia 800 f to 600 psia before enteringa gas turbine isentropicnbspp11500 psia p2 600
determine the internal energy change of air in a rigid container as its temperature is increased by transferring
write a matlab program that determines the probability of 4 of a kind in a 5-poker draw. dont use formula. create a
determine the temperatures of surface 1 through 4 of the furnace cavity of example 13.3 if the entire furnace
an amusement ride consists of a large horizontal circular platform turning at 12 rpm. people attempt to sit on this
A plane can fly 305 mph in still air. If it can fly 185 miles downwind in the same amount of time it can fly 120 miles upwind, find the velocity of the wind.
a 1x2-in bar is 20 in. long and made of steel with sy 25ksi. with a safety factor of 4 what axial compressive load can
determine: (a) the cutting time to complete the facing operation, (b) the cutting speeds and metal removal rates at the beginning and end of the cut.
the collar has a mass of 20kg and is supported on the smooth vertical rod. the attarched springsare undeformed when d=0.5m determine the speed of collar after the applied force F=100N causes it to be displaced so that d=0.3m when d=0.5m, the colla..
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