Sphericity is the ratio of the surface area of a spherical particle having the same volume as the particle to the surface area of the particle. Which of the following has the maximum value of sphericity?

Sphere
Cube
Cylinder (L/D = 1)
Raschig rings

LohaHridoy

7 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 1

Let'

7 views Answered 2022-09-01 13:21

Related Questions

For identical flow rate, feed composition and for elementary first order reactions, 'N' equal sized mixed reactors in series with a total volume 'V' gives the same conversion as a single plug flow reactor of volume 'V' for constant density systems. This is true, when the value of 'N' is?

1 Answers 4 Views

Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the cube, is?

1 Answers 5 Views

The total pressure on a horizontally immersed surface is (where w = Specific weight of the liquid, A = Area of the immersed surface, and x = Depth of the centre of gravity of the immersed surface from the liquid surface)?

1 Answers 5 Views

The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface)?

1 Answers 4 Views

The potential energy of a particle falling through a straight shaft drilled through the earth (assumed homogenous and spherical) is proportional to (where r is the distance of’the particle from centre of the earth)?

1 Answers 6 Views

The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle).?

1 Answers 4 Views

Sphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle. and, D = equivalent diameter of particle).?

1 Answers 7 Views

According to Bond crushing law, the work required to form particle of size 'D' from very large feed is (where (S/V)p and (S/V)f are surface to volume ratio of the product and feed respectively).?

1 Answers 6 Views

Brunaur, Emmet and Teller (BET) equation is used to determine the specific surface area of a porous particle but not the pore volume & the porosity of the catalyst bed. Which of the following postulates is not used to derive BET equation?

1 Answers 5 Views

Which of the following are true with regard to temperature control of the atmosphere of a given place I. The major temperature contrasts on earth's surface are between land masses and oceans II. During night, the water surface cools more rapidly than the land surface III. Temperature generally decreases with latitude on either side of the equator IV. Temperature rises to a maximum during summer and falls to a minimum during winter?

1 Answers 8 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)