Mechanical Operations Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the cube, is √3 1 √2 0.5 √3 1 √2 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During the washing of cake Cake resistance decreases Filter medium resistance decreases Filter medium resistance increases All the resistances are constant Cake resistance decreases Filter medium resistance decreases Filter medium resistance increases All the resistances are constant ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is the gross energy (kWh/tonne of feed) necessary to reduce a very large feed to such a size that 80% of product particles will pass through a 0.1 mm screen. The value of work index determined for wet grinding should be multiplied with __________ to get the same for dry grinding. 1.34 1 4.34 0.5 1.34 1 4.34 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For efficient grinding, ball mills must be operated At a speed equal to the critical speed At a speed more than the critical speed At a speed less than the critical speed With minimum possible small balls At a speed equal to the critical speed At a speed more than the critical speed At a speed less than the critical speed With minimum possible small balls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Run of mine (ROM) coal is crushed by a __________ for use in domestic ovens. Jaw crusher Ball mill Hammer crusher Tube mill Jaw crusher Ball mill Hammer crusher Tube mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reciprocating screens are normally inclined at an angle of 5° with the horizontal and employ gyratory motion at feed end & reciprocating motion at the discharge end. They are not suitable for the screening of the Light metal powder down upto 4 meshsize Dry chemicals Powdered food & granular materials Heavy tonnages of rocks or gravel Light metal powder down upto 4 meshsize Dry chemicals Powdered food & granular materials Heavy tonnages of rocks or gravel ANSWER DOWNLOAD EXAMIANS APP
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