For a non-spherical particle, the sphericity – McqOptions

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1.	For a non-spherical particle, the sphericity
A.	is defined as the ratio of surface area of a sphere having the same volume as the particle to the actual surface area of the particle.
B.	has the dimension of length.
C.	is always less than 1.
D.	is the ratio of volume of a sphere having the same surface area as the particle to the actual volume of the particle.
Answer» B. has the dimension of length.

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