Mechanical Operations The critical speed of a trommel (N) is related to its dia (D) as N ∝ √D N ∝ 1/D N ∝ D N ∝ 1/√D N ∝ √D N ∝ 1/D N ∝ D N ∝ 1/√D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a hammer crusher, the final product size depends on the Feed rate All of these Clearance between hammer & grinding plates Rotor speed Feed rate All of these Clearance between hammer & grinding plates Rotor speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ball mills and tube mills with flint or porcelain balls are used for size reduction of Non-metallic ores Rubber Limestone Asbestos Non-metallic ores Rubber Limestone Asbestos 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 D 0.5 D 1.5 D 2 D D 0.5 D 1.5 D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size measurement of ultrafine particles can be best expressed in terms of Micron Surface area per unit mass Screen size Centimetre Micron Surface area per unit mass Screen size Centimetre ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Trommels are revolving screens which normally operate in the range of __________ rpm. 40 - 50 43832 15 - 20 60 - 75 40 - 50 43832 15 - 20 60 - 75 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS