A hard tank is tightly closed when its temperature is 273 K. The tank is exposed to sun and the temperature of the air inside the tank attains 323 K. A tiny opening is now made in the tank.
What will be the initial velocity of the air that escapes out of the tank? State your assumptions.
(For air Cp = 1 k J/kg K, y= 1.4)
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Likewise, decreasing the pressure of the gas will cause its volume to increase. So right from the start you can say that since the pressure of the gas is increased, the volume will decrease, which in turn will cause the density of the gas to increase, since now you have the same mass of gas in a smaller volume.
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