SSC JE Mechanical Engineering 2018 Set 2 Paper

Question : 192 of 200

Marks: +1, -0

One kg of steam sample contains 0.8 kg dry steam;it’s dryness fraction is

Solution:

Dryness fraction (x)

={\mass \of \vapour}/{\mass\of \vapour +\mass \of \liquid}

"Dryness fraction is fraction of dry steam in 1 kg of steam."

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