Chemical Engineering > GATE 2025 > Particle Technology
A catalyst particle is modeled as a symmetrical double cone solid as shown in the figure. For each conical sub-part, the radius of the base is r and the height is h. The sphericity of the particle is given by
A
2((r2h)/2)1/3 / (r√(r2+h2))
B
((r2h)/2)1/3 / (r√(r2+h2))
C
2((r2h)/2)2/3 / (r√(r2+h2))
D
((r2h)/2)2/3 / (r√(r2+h2))

Correct : a

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