The world resources simulation center is intended to address both current and future problems

An air compression refrigeration system is to have an air pressure of 100 psia in the brine tank and an allowable air temperature increase of 60°f for standard vapor compression cycle temperatures of 77 f entering the expansion cylinder and 14 f entering the compression cylinder, calculate the coefficient of performance a. 2.5 b 3.3 c. 4.0 d. 5.0

The proportional limit is always greater than the yield strength for a material. a)-trune b)- false

Explain in your own word the concept of a solid solution, in alloys, and how it can be created.