As shown in the figure, a 300-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 Ibf/in?, 450°F. Steam flows into the tank through a valve until the tank pressure reaches p2 = 140 lbf/in? and the temperature is 400°F, at which time the valve is closed. Steam at 200 lbf/in.², 450°F Tank Valve |(1) Initially: 30 lbfin.?, mị = 25 lb (2) Finally: P, lbfin.?, 400ºF. 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 300-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 Ibf/in?, 450°F. Steam flows into the tank through a valve until the tank pressure reaches p2 = 140 lbf/in? and the temperature is 400°F, at which time the valve is closed. Steam at 200 lbf/in.², 450°F Tank Valve |(1) Initially: 30 lbfin.?, mị = 25 lb (2) Finally: P, lbfin.?, 400ºF. 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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