This preview shows page 1. Sign up to view the full content.
Unformatted text preview: Problem N.4 A heat engine absorbs 6000 J of heat from a hot reservoir and expels 4100 J to a cold reservoir at 30 C. (a) What is the efficiency of this engine? (b) What is the work done by the engine? (c) What is the smallest temperature the hot reservoir could have? Problem N.5 A Carnot engine that operates between a 500 K hot reservoir and a 300 K cold reservoir has a power output of 6000 W. What is the efficiency of this heat engine? At what rate does this engine absorb heat?...
View Full Document
This document was uploaded on 02/01/2010.
- Spring '09