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GATE ME 2021 Set 2 — Question 32

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NAT+1 / -0MediumPure Substances & Phase ChangeLaws & PropertiesThermodynamics

Thermodynamics → Laws & Properties → Pure Substances & Phase Change

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Question

A rigid tank of volume 50 m350\text{ m}^3 contains a pure substance as a saturated liquid vapour mixture at 400 kPa400\text{ kPa}. Of the total mass of the mixture, 20%20\% mass is liquid and 80%80\% mass is vapour. Properties at 400 kPa400\text{ kPa} are: Tsat=143.61∘CT_{sat} = 143.61^\circ\text{C}, vf=0.001084 m3/kgv_f = 0.001084\text{ m}^3/\text{kg}, vg=0.46242 m3/kgv_g = 0.46242\text{ m}^3/\text{kg}. The total mass of liquid vapour mixture in the tank is ________ kg (round off to the nearest integer).
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