You have been assigened as the PM to lead the development of a community dog park. You don't have much experience in this area and you are now tasked with estimating the resources needed. You contact the managers of several dog parks in the region to get their input on how they estimated resources. What technique are you using?

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?