Arigid tank contains water at 200kpa and an unknown temperature. when the tank is 100 °c the vapour starts condensing. calculate the initial temperature of the water. show the process on t-v diagram.

T = 450 C

Explanation:

given,

pressure of rigid tank containing water = 200 kPa

water start condensing at 100 °C

vapor saturation pressure at 100 °C = 101421 Pa (from saturation table)

specific volume  = 1.6718 m³/kg

From super heated steam table

steam table is two set of table which is of energy transfer properties of water and steam.

at v = 1.6718 m³/kg and pressure = 200 kPa

temperature is equal to T = 450 C

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.