Mechanical Engineering Question: help...will rate...thermo

chemlady

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Date Posted: 7/24/2008 2:05:03 AM Status: Live

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Course	Textbook	Chapter	Problem
Thermodynamics	Fundamentals of Engineering Thermodynamics (5th) by Moran, Shapiro	4	N/A

Question Details:

Problem 4.003

A 0.7-m³ tank contains ammonia, initially at +40°C, 8 bar. A leak develops, and refrigerant flows out of the tank at a constant mass flow rate of 0.04 kg/s. The process occurs slowly enough that heat transfer from the surroundings maintains a
constant temperature in the tank. Determine (a) the time, in s, at which half of the mass has leaked out, and (b) the pressure in the
tank at that time, in bar.

(a) s

(b) bar

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