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

Similar Questions

Consider a cylinder (diameter D and length D), a sphere (diameter D) and a cube (side length D). Which of the following statements concerning the sphericity (...
#305 MCQ
Inhaling the smoke from a burning _________ could _________ you quickly.
#2 MCQ
A sphere of radius π‘Ÿ cm is packed in a box of cubical shape. What should be the minimum volume (in cm3 ) of the box that can enclose the sphere?
#3 MCQ

Related Topics

catalyst particle model double cone shape GATE Chemical Engineering 2025 particle sphericity chemical engineering gate cone volume GATE 2025 question conical particle sphericity calculation

Unique Visitor Count

Total Unique Visitors

Loading......

Question Options

Contributed by: