Answered: Determine the final weight (lb

Engineering

Mechanical Engineering

Determine the final weight (lb

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter1: Heat, Temperature, And Pressure

Section: Chapter Questions

Problem 6RQ: One British thermal unit will raise the temperature of _____ 1b of water _____F.

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Concept explainers

Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.

Question

6. Oxygen used in oxy-acetylene metal cutting was stored in a tank (empty tank weight is 25lb) whose volume is 48ft3. Initially, the gauge pressure reading of the tank was 40psi. After usage, the pressure reading falls to 25psi. Determine the final weight (lb) of the tank after the operation if the temperature in the tank remains constant at 77°F. Draw a figure or FBD that will support the problem. Explain each step by step formula.

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