Answered: i. At what point in time will the…

i. At what point in time will the emission rates be the same? ii. What reduction in emissions results from using the student’s engine?

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

Chapter31: Gas Heat

Section: Chapter Questions

Problem 5RQ: The specific gravity of natural gas is A. 0.08. B. 1.00. C. 0.42. D. 0.60.

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Question

A student develops an engine that is believed to meet all state standards
for emission control. The new engine’s rate of emission is given by E(t)=2t²
where E(t) is the emissions, in billions of pollution particulates per year, at time t, in years. The emission rate of a conventional engine is given by
C (t) = 9 + t²

^{i. At what point in time will the emission rates be the same?
ii. What reduction in emissions results from using the student’s engine?}

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