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, 03.07.2019 14:10
If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.
Answers: 3
Engineering, 03.07.2019 15:10
If you were designing a bumper for a car, would you prefer it to exhibit elastic or plastic deformation? why? consider the functions of a bumper in both a minor "fender-bender" and a major collision.
Answers: 1
Engineering, 03.07.2019 15:10
Two flowing streams of argon gas are adiabatically mixed to form a single flow/stream. one stream is 1.5 kg/s at 400 kpa and 200 c while the second stream is 2kg/s at 500 kpa and 100 ? . it is stated that the exit state of the mixed single flow of argon gas is 150 c and 300 kpa. assuming there is no work output or input during the mixing process, does this process violate either the first or the second law or both? explain and state all your assumptions.
Answers: 1
Engineering, 04.07.2019 18:10
Fluids at rest possess no flow energy. a)- true b)- false
Answers: 3
Suppose the environmental protection agency (epa) wants to mandate that all methane emissions must b...
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