Mechanical Operations Grinding efficiency of a ball mill is of the order of __________ percent. 40-50 90-95 43835 75-80 40-50 90-95 43835 75-80 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A belt conveyor used for the transportation of materials can Handle materials upto 5000 tons/hr Travel at a speed upto 300 metres/minute Run upto 1 km All of these Handle materials upto 5000 tons/hr Travel at a speed upto 300 metres/minute Run upto 1 km All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations 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? Raschig rings Cube Cylinder (L/D = 1) Sphere Raschig rings Cube Cylinder (L/D = 1) Sphere ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen efficiency is Recovery/rejection None of these Recovery Rejection Recovery/rejection None of these Recovery Rejection ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During washing of filter at the end of constant pressure filtration, the rate of washing equals the rate of filtration When half the filtrate has been obtained At the end of filtration, but decreases with time subsequently At time zero At the end of filtration When half the filtrate has been obtained At the end of filtration, but decreases with time subsequently At time zero At the end of filtration ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following terminology is not used for size reduction of materials to fine sizes or powders? Dispersion Comminution Pulverisation Compression Dispersion Comminution Pulverisation Compression ANSWER DOWNLOAD EXAMIANS APP
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