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A 10-m-high cylinder, with a cross-sectional area of 0.1
Chapter 3, Problem 145HP(choose chapter or problem)
Problem 145HP
A 10-m-high cylinder, with a cross-sectional area of 0.1 m2, has a massless piston at the bottom with water at 20°C on top of it, as shown in Fig. P3.145 Air at 300 K, with a volume of 0.3 m3, under the piston is heated so that the piston moves up, spilling the water out over the side. Find the total heat transfer to the air when all the water has been pushed out.
FIGURE P3.145
Questions & Answers
QUESTION:
Problem 145HP
A 10-m-high cylinder, with a cross-sectional area of 0.1 m2, has a massless piston at the bottom with water at 20°C on top of it, as shown in Fig. P3.145 Air at 300 K, with a volume of 0.3 m3, under the piston is heated so that the piston moves up, spilling the water out over the side. Find the total heat transfer to the air when all the water has been pushed out.
FIGURE P3.145
ANSWER:
Solution 145 HP
Step 1 of 8:
In this question, we need to find total heat transfer to air when the water is pushed out
Height of cylinder
Cross section area
Temperature of water
Temperature of air
Volume of air