As shown in the figure, a 260-ft3 tank contains 25 lb of H20 initially at 30 lbf/in2. The tank is connected to a large steam line carrying steam at 200 lbf/in2, 450°F. Steam flows into the tank through a valve until the tank pressure reaches p2 = 100 lbf/in2 and the temperature is 400°F, at which time the valve is closed. Steam at Tank 200 lbf/in 2 Valve |(1) Initially: 30 lbf in.?, mi = 25 lb (2) Finally: P, lbfin?, 400°F. 450°F Determine the amount of mass that enters the tank, in Ib, and the heat transfer to the tank from its surroundings, in Btu.
As shown in the figure, a 260-ft3 tank contains 25 lb of H20 initially at 30 lbf/in2. The tank is connected to a large steam line carrying steam at 200 lbf/in2, 450°F. Steam flows into the tank through a valve until the tank pressure reaches p2 = 100 lbf/in2 and the temperature is 400°F, at which time the valve is closed. Steam at Tank 200 lbf/in 2 Valve |(1) Initially: 30 lbf in.?, mi = 25 lb (2) Finally: P, lbfin?, 400°F. 450°F Determine the amount of mass that enters the tank, in Ib, and the heat transfer to the tank from its surroundings, in Btu.
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter2: Matter And Energy
Section: Chapter Questions
Problem 30RQ: A gas is compressed inside a compressor's cylinder. When the piston is at its bottom dead center,...
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