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An evacuated 1-ft3 tank is connected by a valve to a nitrogen supply line flowing air at 120 psi and70oF. A valve is opened allowing air to flow into the tank until the pressure reaches 90 psi. How much mass flowed into the tank and what is its final temperature? Assume the process is adiabatic.
nitrogen slowly expands from an initial volume of 0.025 m3 to 0.05 m3 at a constant pressure of 400 kpa. then heat is
consider a fluid of density ? inincompressible laminar flow in a plane narrow slit of lengthl and width w formed by two
a stack t550 deg f and 750mm hg was sampled using epa method 5. the total gas volume that flowed through the dry gas
in an automotive gas turbine the centrifugal compressor is driven at 40000 rpm by an axial turbine. the compressor
find the sum of two harmonic motions of equal amplitude but of slightly different frequencies. discuss the beating
the load is being lifted upward at a constant rate of 9 ms relative to the crane boom ab. at the instant shown the boom
Three kg of gas in a piston–cylinder assembly undergo a process during which the relationship between pressure and specific volume is py 0.5 5 constant. The process begins with p 1 5 250 kPa and V 1 5 1.5 m 3 and ends with p 2 5 100 kPa. Determine th..
a steam turbine is limited to a maximum inlet temperature of 800degc. the exhaust pressure is 0.0100 mpa and the
The normal force which the path exerts on a particle is always perpendicular to the _________ The equation of motion for a system of n-particles can be written as ?Fi = ? miai = maG, where aG indicates _______. Newton’s second law can be written in m..
refrigerant 134a is the working fluid in a solar power plant operating on an ideal rankine cycle. saturated vapor x11.0
A 2 lb rocket is launched from the ground, with its launch rail elevated at an angle of 70° from ground, with zero initial speed. Assuming its motor provide a thrust force T = 25 lb for the period of 0 _ 0.1 s, no air resistance, constant gravitatio..
Air enters a three-stage gas turbine at 100 kPa and 17 degree Celsius. This system uses a regenerator as well as reheating and inters cooling. The pressure ratio across each compressor is 14.16 (this is 14.16, NOT 14 and 16!); 300 kJ/kg of heat are a..
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