Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ?= density of particles)
Options
A. m/? . Vp
B. m . ?/Vp
C. m . Vp/?
D. Vp/m . ?
Correct Answer
m/? . Vp
Mechanical Operations problems
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7. Which of the following relationships between co-efficinet of friction (?) between rock & roll and a (half of the angle of nip) of the particle to be crushed is correct?