Mechanical Operations Energy consumption in a crusher decreases with increase in the Size of the product (at constant feed size) Capacity of the crushing machine All of these Size of feed (at constant reduction ratio) Size of the product (at constant feed size) Capacity of the crushing machine All of these Size of feed (at constant reduction ratio) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is 0.58 0.5 0.68 0.62 0.58 0.5 0.68 0.62 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of solid suspended in liquid into a supernatant clear liquid and a denser slurry employs a process termed as the Flocculation Clarification Coagulation Sedimentation Flocculation Clarification Coagulation Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The resistance offered by the filter used in a bag filter is proportional to (where, c = dust concentration, and s = particle size ) S/c S . c 1/s . c C/s S/c S . c 1/s . c C/s ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The study on washability of coal is done by using the __________ technique. Tabling Elutriation Heavy media separation None of these Tabling Elutriation Heavy media separation None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Capacity (in tons/hr) of jaw/gyratory crusher is equal to (where, L = length of the receiving opening, cm S = greater width of the discharge opening, cm) 0.087 L.S L.S L.S/0.087 0.01 L.S 0.087 L.S L.S L.S/0.087 0.01 L.S ANSWER DOWNLOAD EXAMIANS APP
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