Mechanical Operations The critical speed of a trommel (N) is related to its dia (D) as N ∝ 1/√D N ∝ √D N ∝ D N ∝ 1/D N ∝ 1/√D N ∝ √D N ∝ D N ∝ 1/D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations As per Taggart's formula, the capacity (kg/hr) of Jaw & Gyratory crushers (for gapes of 10 to 60 cms) is equal to (where, L = Length of feed opening, cms S = Maximum width of discharge opening, cms ) LS √LS 250 LS 93 LS LS √LS 250 LS 93 LS ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In coal washeries, three products namely the valuable product (i.e. clean/washed coal), discarded product (i.e. mineral matter) and an additional concentrated product called __________ is produced. None of these Tailing Middling Concentrate None of these Tailing Middling Concentrate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mill is normally used for grinding of talc. Ring-roll Compartment Tube Pebble Ring-roll Compartment Tube Pebble ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Addition of filter aid to the slurry before filtration is done to ...... of the cake. Increase the compressibility co-efficient Increase the porosity Decrease the compressibility co-efficient Decrease the porosity Increase the compressibility co-efficient Increase the porosity Decrease the compressibility co-efficient Decrease the porosity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Width and speed of a conveyor belt depends upon the __________ of the material. Bulk density Both A & B Lump size Neither A nor B Bulk density Both A & B Lump size Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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