Mechanical Operations The ratio of the area of openings in one screen (Taylor series) to that of the openings in the next smaller screen is 1.5 ?2 None of these 1 1.5 ?2 None of these 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Height of liquid in agitation tank is normally maintained equal to the tank diameter. However, if the tank is too tall and a large liquid hold up is desired, then two or more impellers mounted on the same shaft may be used. The clearance between the tank bottom and the bottom most impeller should be about (where, D = impeller diameter) 2 D 0.5 D D 1.5 D 2 D 0.5 D D 1.5 D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Production rate __________ with increased fineness, with a given energy input to the size reduction machine. Increases Decreases Remains unchanged May increase or decrease; depends on the machine Increases Decreases Remains unchanged May increase or decrease; depends on the machine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of materials into products based on the difference of their sizes is called Classification Sizing Sorting Flocculation Classification Sizing Sorting Flocculation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Basic slag is not ground in Jaw crushers Compartment mills Ball mills Tube mills Jaw crushers Compartment mills Ball mills Tube mills ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Additives used for promoting the floccula-tion of particles is a/an Surface active agent Both A & B Neither A nor B Electrolyte Surface active agent Both A & B Neither A nor B Electrolyte ANSWER DOWNLOAD EXAMIANS APP