1. An "empty" propane tank is brought to a filling station to be reloaded. The tank is a standard barbeque tank of dimensions 12" diameter by 18" tall, giving a total volume of 2035 in³ or 0.0333 m³. The empty tank contains saturated propane vapor at 20°C. The filling station provides saturated propane vapor at 25°C to the tank. As the tank fills, it rejects heat to the environment at 20°C to allow the condensation of propane to liquid in the tank. The tank itself remains at 25°C throughout the filling process. The filling ends when the tank contains 90% liquid by volume and 10% vapor. (a) Find the pressure in the tank at the end of the filling (kPa), and the mass of propane that was added (kg). (b) Find the amount of heat that was rejected from the tank to the environment during the filling process.

1. An "empty" propane tank is brought to a filling station to be reloaded. The tank is a standard barbeque tank of dimensions 12" diameter by 18" tall, giving a total volume of 2035 in³ or 0.0333 m³. The empty tank contains saturated propane vapor at 20°C. The filling station provides saturated propane vapor at 25°C to the tank. As the tank fills, it rejects heat to the environment at 20°C to allow the condensation of propane to liquid in the tank. The tank itself remains at 25°C throughout the filling process. The filling ends when the tank contains 90% liquid by volume and 10% vapor. (a) Find the pressure in the tank at the end of the filling (kPa), and the mass of propane that was added (kg). (b) Find the amount of heat that was rejected from the tank to the environment during the filling process.

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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