2. Find the reaction forces and the internal forces of each member of the truss.
D
48 m
67.3°
50.1
B
20 m
20 m
100.0N
200.0 N

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