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Owing to safety requirements, the pressure within a 19.3 ft3 cylinder should not exceed 52 atm. Check the pressure within the cylinder if filled with 100 lb of CO2 maintained at 2128F using the
(a) van der Waals equation.
(b) compressibility chart.
(c) ideal gas equation of state.
an air-standard otto cycle has a compression ratio of 7.5. at the beginning of compression p185 kpa t1320c the mass of
If the truck starts from rest when xD is zero, and moves forward with a constant acceleration of aD = 5 m/s2, determine the speed of the block at the instant xD = 3 m.
on the apollo 14 mission to the moon astronaut alan shepard hit a golf ball with a golf club improvised from a tool.
consider the steady operation of a refrigeration package for a shipping container on a train truck or ship. the package
an open feedwater heater operates at steady state with liquid water entering at inlet 1 at 50 degrees celsius and 1
Consider a flow with a pressure and temperature of 2332 lb/ft2 and 498 deg. R, respectively. A Pitot tube is inserted into this flow and measures a pressure of 8065.2 lb/ft2. What is the velocity of this flow? Is the flow supersonic? Use appen..
At what equivalence ratio for octane-air mixtures does the carbon to oxygen ratio of the system equal one? Why is this of interest?
a closed tank having a volume of 2ft3 is filled with 0.30 lb of a gas. a pressure gage attached to the tank reads 12
A scuba diver descends to 40 meters below the surface and has a 10 liter tank that contains air at 9 MPA and 7 C. Assume that the water has a density of 1000kg/m^3 and that atmospheric pressure is 100 KPA. He breathes at 5/ liters/min. How long can h..
determine the work and heat transfer, each in kJ. sketch the process on p-v and T-s coordinates. Associate the work and heat transfer with areas on these diagrams.
when a ball is released from rest at a height of 5 ft above the floor it bounces to a height of 3.5 ft. if it is thrown
Calculate the net work done per cycle for each case and then plot the thermal efficiency against? on the same plot for each the four values of? Explain why there is an optimum?
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