The specific surface of spherical particles is proportional to (where, Dp = diameter of particle)?
Correct answer: C. 1/Dp
- A. D2
- B. Dp
- C. 1/Dp
- D. 1/D2p
Explanation
For a sphere, surface area divided by volume is πD²/(πD³/6), which simplifies to 6/D. Thus the specific surface is inversely proportional to particle diameter.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Chemical Process Principles
2,710 free Chemical Process Principles MCQs from Chemical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Chemical Engineering questions like this
Chemical Engineering is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Chemical Process Principles questions
Dust collection efficiency of electrostatic precipitator can be as high as 99.9%. Maximum temperature and pressure of dust laden gas that can be cleaned in an electrostatic precipitator is respectively ?
Energy consumed for crushing one ton of material ranges from ______________ kWh?
Which of the following gives the crushing energy required to create new surface ?
Which of the following agitators having a large blade area, rotating at slow speed is used for mixing high viscosity liquids (> 50000 centipoise) ?
Which of the following grinding mills has the horizontally arranged rods as the grinding elements thereby delivering more uniform granular products with minimum fines ?
Angle of nip of the crushing rolls does not depend upon the_______________?