Задача 20646.

The compressor sucks from the atmosphere every second of 4 liters of air that is supplied to the cylinder capacity V = 120 liters. How long the cylinder pressure is greater than atmospheric 9 times, if the air temperature in the cylinder is equal to 300 K and 290 K temperature of the atmosphere? The initial tank pressure is equal to atmospheric.

Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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