Mechanical Operations Vibrating screens have capacity in the range of __________ tons/ft² .mm mesh size. 0.2 to 0.8 5 to 25 50 to 100 100 to 250 0.2 to 0.8 5 to 25 50 to 100 100 to 250 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a revolving mill, wet grinding compared to dry grinding Complicates handling & classification of the product Requires more energy Has less capacity None of these Complicates handling & classification of the product Requires more energy Has less capacity None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The equivalent diameter of channel of a constant non-circular cross-section of 3 cm by 6 cm will be __________ cms. 2 12 20 8 2 12 20 8 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a cyclone of diameter 0.2 m with a tangential velocity of 15 m/s at the wall, the separation factor is 460 1125 2250 230 460 1125 2250 230 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Choke crushing (in case of a Jaw crusher) compared to free crushing Consumes more power Both A and C Results in increased capacity Consumes less power Consumes more power Both A and C Results in increased capacity Consumes less power ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The critical speed of a trommel (N) is related to its dia (D) as N ∝ 1/D N ∝ √D N ∝ 1/√D N ∝ D N ∝ 1/D N ∝ √D N ∝ 1/√D N ∝ D ANSWER DOWNLOAD EXAMIANS APP