1. What is the key to repairing large areas of vehicle damage? A) Repair the most difficult area first
B) Repair the vehicle over several days
C) Break down the damage into separate repair categories
D) Repair the most expensive area last

Air inially occupying a volume of 1 m2 at 100 kpa, 27 c undergoes three internally reversible processes in series. process 1-2 compression to 500 kpa during which pv constant process 2-3 adiabatic expanslon to 100 kpa process 3-1: constant-pressure expansion to 100 kpa (a) calculate the change of entropy for each of the three processes. (b) calculate the heat and work involved in each process. (c) is this cycle a power cycle or refrigeration cycle?