If ma = mass of dry air and mw = mass of water vapour in the air-water vapour mixture, then humidity ratio is given by-

If ma = mass of dry air and mw = mass of water vapour in the air-wate

1.	If ma = mass of dry air and mw = mass of water vapour in the air-water vapour mixture, then humidity ratio is given by-
A.	mw / ma
B.	ma / mw
C.	(mw + ma) / mw
D.	ma / (ma + mw)
Answer» B. ma / mw

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If ma = mass of dry air and mw = mass of water vapour in the air-water vapour mixture, then humidity ratio is given by-

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