Answer Happy

Question 7 Use the data below to calculate the volume parameters of a biogas digester system. Donkeys = 15, retention period = 15 days, temperature for fermentation = 25° C, dry matter consumed per donkey per day = 1.5 kg, burner efficiency = 0.8 and methane proportion = 0.8. (c= 0.2 m3/kg) [8] Question 8 If heat absorbed by the engine is 96 kJ, determine the work done by the Carnot engine? The high temperature is 950 K while the lower temperature is 550 K [6]