Mechanical Operations Size measurement of ultrafine particles can be best expressed in terms of Surface area per unit mass Micron Screen size Centimetre Surface area per unit mass Micron Screen size Centimetre ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Basic slag is not ground in Ball mills Jaw crushers Tube mills Compartment mills Ball mills Jaw crushers Tube mills Compartment mills ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ball mills and tube mills with flint or porcelain balls are used for size reduction of Asbestos Rubber Limestone Non-metallic ores Asbestos Rubber Limestone Non-metallic ores ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The critical speed of a trommel (N) is related to its dia (D) as N ∝ √D N ∝ D N ∝ 1/√D N ∝ 1/D N ∝ √D N ∝ D N ∝ 1/√D N ∝ 1/D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In continuous filtration (at a constant pressure drop), filtrate flow rate varies inversely as the Filtration time only Square of the viscosity Square root of the velocity Washing time only Filtration time only Square of the viscosity Square root of the velocity Washing time only ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Choke crushing (in case of a Jaw crusher) compared to free crushing Both A and C Results in increased capacity Consumes more power Consumes less power Both A and C Results in increased capacity Consumes more power Consumes less power ANSWER DOWNLOAD EXAMIANS APP