Automotive service p2 wastewater management and handling spins
page 1 of 5
read and answer each question carefully.
1. you should never discharge wastewater into storm sewers because they flow directly into local surface waters.
a)
true
b)
false
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10 kg of co2 is initially contained at 400 kpa and 300 k. the gas constant for carbon dioxide is 189 j/lkg k) and has a specific heat ratio, k, of 1.289. isentropic expansion then occurs until the pressure is 200 kpa. a) determine the initial volume of co2 in m. b) determine the final temperature in k. c) determine the work done by the system during the expansion kl.