According to the Indian Standard Code IS: 3362-1977, in the case of na – McqOptions

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1.	According to the Indian Standard Code IS: 3362-1977, in the case of natural ventilation, flow per unit area of the opening is greatest when the inlet and outlet openings are of nearly equal __________
A.	Lengths
B.	Volumes
C.	Areas
D.	Mass
Answer» D. Mass

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