_Smaller sized packings are generally dumped to the packed columns, an – McqOptions

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1.	_Smaller sized packings are generally dumped to the packed columns, and the large ones of size greater than __________ mm are stacked individually, which provides better control over bed porosity and offers lower gas pressure drop.$?
A.	25
B.	50
C.	75
D.	150
Answer» D. 150

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