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    Quality of Water and Vapour at P=200kPa: 10.7%

    A vertical circular cylinder holds 1 cm of liquid water and 100 cm of vapour. If P = 200 kPa, the quality is nearest to _____. 1)1.02% 2) 10.7% 3) 40.6% 4) 80.3% Answer is 2). Why? i can't seems to work out the answer. From Steam table, at P=200kPa, (Specfic volume) vf= 0.001061, vg= 0.88578