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An insulated rigid tank contains 5 kg of helium gas at 440 kPa and 31C. A valve is now opened, and helium is allowed to escape until the pressure inside drops to 200 kPa. Assuming the helium remaining inside the tank has undergone a reversible, adiabatic process; determine the final mass of the tank.
A 5.23 ft3 rigid tank contains saturated refrigerant-134a at 100 psia. Initially, 12 percent of the volume is occupied by liquid and the rest by vapor. A valve at the top of the tank is now opened, and vapor is allowed to escape slowly from the tank...
an 800 ft ship has a displacement of 37600 tons and the area defined by the waterline is 38000 ft2. a will the ship
a 20 mm diameter steel bar is to be used as a torsion spring. if the torsional stress in the bar is not to exceed 100
A non-reacting gaseous mixture with molar analysis of 74.3% N2, 4.3% O2, 7.1% CO2, and 14.3% H2O (g) enters a counter-flow heat exchanger at 800?F and 1 atm with a volumetric flow rate of 5 ft3/s (State 1) and exits at 200?F (State 2). A separate moi..
a thick cylindrical sleeve when shrunk onto a hollow shaft of a different material had its internal diameter extended
At a certain location in a duct, moist air at 35 C, 125 kPa and a relative humidity of 50% flows at a volume flow rate of 50 m^3/s. using tabular data, determine the following: i)the humidity ratio ii)the dry air mass flow rate (kg/s) iii) the water ..
Air flows at the rate of 1kg/s through a convergent-divergent nozzle. The entrance area is 2x10^-3 m^2 and the inlet temperature and pressure are 438 K and 580 kPa. If the exit pressure is 140 kPa and the expansion is isentropic, find;
refrigerant 134a is compressed at steady state from 2.4 bar 0oc to 12 bar 50oc. refrigerant enters the compressor with
A water filled manometer is attached to the inlet and the test section of a low speed wind tunnel which has the contraction ratio of 3. what would be the pressure difference between the inlet and the test section in terms of inches of water in order ..
The effect on temperature and density of air under adiabatic compression, Air is going through a compressor
a student measures g the acceleration of gravity repeatedly and carefully and takes a final measurement of 9.5 ms2. his
A pressure cylinder (ends closed) having an internal radius of 6 inches and thickness 1 inch is subjected to an internal pressure of 5 ksi, a twisting torque of 50,000 in-lb, and a bending moment of 50,000 in-lb. Determine the principal stresses and ..
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