a) A railroad tank car is cleaned by lling it with superheatedsteam at 200C and
ID: 1815962 • Letter: A
Question
a) A railroad tank car is cleaned by lling it with superheatedsteam at 200C and 2 bar. A mechanic inadvertently leaves the carsealed full of hot steam, with no pressure relief valve, after thecleaning is done. The car cools to 20C. Describe the state of thewater in the car (mole fraction in liquid and vapor phases,pressure). Assume the tank car has not yet collapsed on itself. Doyou need to assume a volume for the tank car to answer thisquestion?b) The volume of the tank car is 20,000 gal. How much work will bedone by the atmosphere in crushing the tank car at? How does thisresult compare to the energy of a stick of dynamite(2.1MJ)?
I have no idea what so ever on how to approach this. Can someoneplease help me get started. I will really appreciate it.
Explanation / Answer
Typo in first line: A railroad tank car is cleaned by filling itwith....
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