215) On Mollier chart, free expansion, or throttling process from high pressure to atmosphere is represented by

216) The bituminous coal is non-caking if its carbon content is

217) The dry saturated steam at very low pressure, (5-10 kg/cm2) when throttled to atmosphere will become

218) Water at pressure of 4 kg/cm2 and 160°C temperature when exposed to atmosphere will

219) The dry saturated steam at very high pressure (150-200 kg/cm2) when throttled to atmosphere will become