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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.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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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/in? and the temperature is 400°F, at which time the valve is closed. Steam at Tank 200 lbf/in_². Valve |(1) Initially: 30 lbfin.2, 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.
Transcribed Image Text: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/in? and the temperature is 400°F, at which time the valve is closed. Steam at Tank 200 lbf/in_². Valve |(1) Initially: 30 lbfin.2, 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.
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