Mechanical Operations Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the cube, is 1 √2 √3 0.5 1 √2 √3 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For efficient grinding, ball mills must be operated With minimum possible small balls At a speed more than the critical speed At a speed less than the critical speed At a speed equal to the critical speed With minimum possible small balls At a speed more than the critical speed At a speed less than the critical speed At a speed equal to the critical speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The energy required per unit mass to grind limestone particles of very large size to 100 μm is 12.7 kWh/ton. An estimate (using Bond's law) of the energy to grind the particles from a very large size to 50 μrn is 9.0 kWh/ton 6.35 kWh/ton 25.4 kWh/ton 18 kWh/ton 9.0 kWh/ton 6.35 kWh/ton 25.4 kWh/ton 18 kWh/ton ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Angle of nip of the crushing rolls does not depend upon the Diameter of the rolls Product size Speed of the rolls Feed size Diameter of the rolls Product size Speed of the rolls Feed size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of __________ is accomplished in steam heated rollers and roll crushers. Waxes Gums Resins Hard rubber Waxes Gums Resins Hard rubber ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as a filter medium in case of corrosive liquids? Metal cloth of monel or stainless steel Nylon Cotton fabric Glass cloth Metal cloth of monel or stainless steel Nylon Cotton fabric Glass cloth ANSWER DOWNLOAD EXAMIANS APP
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