An ideal gas is being stored in a tank with a volume of 230 cubic inches at a pressure of 2200 pounds force per square inch . The temperature inside the tank is 68 degrees Fahrenheit and the gas has a molecular weight of 32 grams per mole . When empty, the tank has a mass of 2.5 kilograms . If the tank is lifted 10 feet in 2 seconds by a motor rated at 60 watts , determine the efficiency of the motor, expressed as a percentage.
An ideal gas is being stored in a tank with a volume of 230 cubic inches at a pressure of 2200 pounds force per square inch . The temperature inside the tank is 68 degrees Fahrenheit and the gas has a molecular weight of 32 grams per mole . When empty, the tank has a mass of 2.5 kilograms . If the tank is lifted 10 feet in 2 seconds by a motor rated at 60 watts , determine the efficiency of the motor, expressed as a percentage.
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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An ideal gas is being stored in a tank with a volume of 230 cubic inches at a pressure of 2200 pounds force per square inch .
The temperature inside the tank is 68 degrees Fahrenheit and the gas has a molecular weight of 32 grams per mole .
When empty, the tank has a mass of 2.5 kilograms .
If the tank is lifted 10 feet in 2 seconds by a motor rated at 60 watts , determine the efficiency of the motor, expressed as a percentage.
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