Question

Problem 1. If 5 kg of steam
2 points
with a dryness fraction 0.9
expands polytropically
according to the law PV1.13 =C
from a pressure of 8 bar to 1.5
bar. Determine (a) Final
dryness fraction​

Answer 1

Explanation:

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Thermodynamics Chapter 2 Diploma in Engineering Mechanical Engineering Division, Ngee Ann Polytechnic

2. Properties of Liquids & Vapours o Constant pressure process for a liquid and its vapour o Saturation temperature o Quality or dryness fraction of wet steam o Tabulated properties o Properties of saturated water and steam o Properties of compressed water o Properties of wet steam o Properties of superheated steam o Interpolation of values in steam tables

3. Introduction • 3 existing forms of matters: • Thermodynamics only concerns liquid and gaseous phases. solid liquid gas thermodynamics