Fisher subsieve sizer is used to determine the surface area of the pow – McqOptions

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1.	Fisher subsieve sizer is used to determine the surface area of the powder. The surface area is measured based on the change in:
A.	light transmission of gas that reaches the detector
B.	pressure across the compacted powder
C.	thermal conductivity of gas across the powdered pack
D.	weight of powder when air is passed through the powdered pack
Answer» E.

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