an ammonia refriferation cycle operates at 12C suction temperature and 300 kpa condensing pressure, refrigeration capacity 30 kw, compressor clearance 6%, compressor eff 80% mechanical efficiency 75%,...

an ammonia refriferation cycle operates at 12C suction temperature and 300 kpa condensing pressure, refrigeration capacity 30 kw, compressor clearance 6%, compressor eff 80% mechanical efficiency 75%, actual volumetric eff 74%. determine?

(a) clearance volumetric eff. (b) ideal cop (c) actual cop (d) mass low rate of ammonia  (e) brake work