Engineering, 30.11.2019 04:31 quarrella
Suppose the environmental protection agency (epa) wants to mandate that all methane emissions must be reduced to zero in order to alleviate global warming in the united states. which of the following describes why most economists would disagree with this policy? a. the opportunity cost of zero pollution is much higher than its benefit. b. reducing methane emissions is desirable, but whatever levels of pollution firms decide to emit privately are already efficient. c. society would not benefit from lower air pollution. d. the environment isn't worth protecting
Answers: 3
Engineering, 04.07.2019 18:10
The higher the astm grain size number, the finer the gran is. a)-true b)-false
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Engineering, 04.07.2019 18:10
Calculate the bore of a cylinder that has a stroke of 18 inches and an extension time of 6 seconds at a flow rate of 4 gal/min.
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Engineering, 04.07.2019 18:10
Compute the pressure drop of 30°c air flowing with a mean velocity of 8 m/s in a circular sheet-metal duct 300 mm in diameter and 15 m long. use a friction factor, f 0.02, and pair = 1.1644 kg/m a. 37.26 pa b. 25.27 pa n c. 29.34 pa d. 30.52 pa
Answers: 1
Suppose the environmental protection agency (epa) wants to mandate that all methane emissions must b...
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