As shown in the figure, a 300-ft³ tank contains 25 lb of H₂O 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 = 120 lbf/in² and the temperature is 400°F, at which time the valve is closed. Step 1 Steam at 200 lbf/in.2 450°F Am12 = i Valve MIT Determine the amount of mass that enters the tank, in lb. lb (1) Determine the amount of mass that enters the tank, in lb, and the heat transfer to the tank from its surroundings, in Btu. Tank Initially: 30 lbfin.2, mi= 25 lb (2) Finally: P₂ lbfin², 400°F.
As shown in the figure, a 300-ft³ tank contains 25 lb of H₂O 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 = 120 lbf/in² and the temperature is 400°F, at which time the valve is closed. Step 1 Steam at 200 lbf/in.2 450°F Am12 = i Valve MIT Determine the amount of mass that enters the tank, in lb. lb (1) Determine the amount of mass that enters the tank, in lb, and the heat transfer to the tank from its surroundings, in Btu. Tank Initially: 30 lbfin.2, mi= 25 lb (2) Finally: P₂ lbfin², 400°F.
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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Transcribed Image Text:As shown in the figure, a 300-ft³ tank contains 25 lb of H₂O 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 = 120 lbf/in² and the
temperature is 400°F, at which time the valve is closed.
Step 1
Steam at
200 lbf/in.2,
450°F
Am12 = i
Valve
MIT
Determine the amount of mass that enters the tank, in lb.
lb
(1)
Determine the amount of mass that enters the tank, in lb, and the heat transfer to the tank from its surroundings, in Btu.
Tank
Initially:
30 lbfin.2, mi = 25 lb
(2)
Finally:
P₂ lbfin², 400°F.
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