Mechanical Operations The main size reduction operation in ultrafine grinders is Compression Impact Attrition Cutting Compression Impact Attrition Cutting ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Agglomeration of individual particles into clusters (flocs) is called flocculation. To prevent flocculation, the most commonly used dispersing agents are Silicates & phosphates Carbonates Sulphates Bi-carbonates Silicates & phosphates Carbonates Sulphates Bi-carbonates ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ baffles are provided in ball mills. Horizontal None of these Only two No Horizontal None of these Only two No ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a non-spherical particle, the sphericity Is always less than 1 Is the ratio of volume of a sphere having the same surface area as the particle to the actual volume of the particle Has the dimension of length Is defined as the ratio of surface area of a sphere having the same volume as the particle to the actual surface area of the particle Is always less than 1 Is the ratio of volume of a sphere having the same surface area as the particle to the actual volume of the particle Has the dimension of length Is defined as the ratio of surface area of a sphere having the same volume as the particle to the actual surface area of the particle ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable equipment used to devulcanise rubber scrap and to make water dispersion & rubber solution is a Boundary mixer Propeller agitator Sharpies centrifuge None of these Boundary mixer Propeller agitator Sharpies centrifuge None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The controlling resistance in a rotary drum vacuum filter is the __________ resistance. Filter medium None of these Piping Cake Filter medium None of these Piping Cake ANSWER DOWNLOAD EXAMIANS APP