

MCQOPTIONS
Saved Bookmarks
1. |
A hot metal piece is cooled rapidly to 25 C, removing 1000 kJ from the metal. Calculate the change of entropy if saturated liquid R-22 at 20 C absorbs the energy so that it becomes saturated vapor. |
A. | 1.950 kJ/K |
B. | 2.950 kJ/K |
C. | 3.950 kJ/K |
D. | 4.950 kJ/K |
Answer» D. 4.950 kJ/K | |