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Q2 a) The number of particles with sizes 1, 2, 3 and 4 mm are presented in the Table below: Particle size 1 mm 2 mm 3 mm 4 mm Number of particles 8. 4 3 (i) Tabulate the number fraction size distribution in cumulative form. (ii) (ii) Where is the median size located? Evaluate the mean.

Q2 a) The number of particles with sizes 1, 2, 3 and 4 mm are presented in the Table below: Particle size 1 mm 2 mm 3 mm 4 mm Number of particles 8. 4 3 (i) Tabulate the number fraction size distribution in cumulative form. (ii) (ii) Where is the median size located? Evaluate the mean.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Q2 a) The number of particles with sizes 1, 2, 3 and 4 mm are presented in the Table below: Particle size 1 mm 2 mm 3 mm 4 mm Number of particles 8 4 3 (1) Tabulate the number fraction size distribution in cumulative form. (ii) (ii) (iv) particles are spherical. (note: Volume of sphere = n d / 6) Where is the median size located? Evaluate the mean. Tabulate the volume fraction size distribution if it is assumed that the (v) The mean particle size of a drug powder from one processing plant was measured as 72 microns using a digital microscope. It was much smaller than the measured value using laser diffraction in another processing plant. Explain the problem with this comparison and how it can be overcome.
Transcribed Image Text:Q2 a) The number of particles with sizes 1, 2, 3 and 4 mm are presented in the Table below: Particle size 1 mm 2 mm 3 mm 4 mm Number of particles 8 4 3 (1) Tabulate the number fraction size distribution in cumulative form. (ii) (ii) (iv) particles are spherical. (note: Volume of sphere = n d / 6) Where is the median size located? Evaluate the mean. Tabulate the volume fraction size distribution if it is assumed that the (v) The mean particle size of a drug powder from one processing plant was measured as 72 microns using a digital microscope. It was much smaller than the measured value using laser diffraction in another processing plant. Explain the problem with this comparison and how it can be overcome.
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