Mechanical Operations Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) M . ρ/Vp Vp/m . ρ M/ρ . Vp M . Vp/ρ M . ρ/Vp Vp/m . ρ M/ρ . Vp M . Vp/ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To get ultrafine particles, the equipment used is a Hammer crusher Rod mill Fluid energy mill Ball mill Hammer crusher Rod mill Fluid energy mill Ball mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill as compared to a ball mill Gives finer size reduction but consumes more power Employs smaller balls All of these Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Gives finer size reduction but consumes more power Employs smaller balls All of these Has larger length/diameter ratio (>2 as compared to 1 for ball mill) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tank filter (e.g., Nutsch filter) is A continuous filter A high pressure filter A leaf filter Used for small scale filtration work A continuous filter A high pressure filter A leaf filter Used for small scale filtration work ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vacuum filter is most suitable for the None of these Liquids of very high viscosity Liquids having high vapour pressure Removal of fines from liquid None of these Liquids of very high viscosity Liquids having high vapour pressure Removal of fines from liquid ANSWER DOWNLOAD EXAMIANS APP
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