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 93 LS 250 LS √LS LS 93 LS 250 LS ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following can be most effectively used for clarification of lube oil and printing ink? Disc-bowl centrifuge Sparkler filter Precoat filter Sharpies supercentrifuge Disc-bowl centrifuge Sparkler filter Precoat filter Sharpies supercentrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill compared to a ball mill Produces a coarser product Has a higher diameter/length ratio Uses much larger balls Has a higher length/diameter ratio Produces a coarser product Has a higher diameter/length ratio Uses much larger balls Has a higher length/diameter ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of baffles in agitators help in minimising the __________ tendency. Both A & B Vortexing Neither A nor B Swirling Both A & B Vortexing Neither A nor B Swirling ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. None of these Shape Wettability Specific gravities None of these Shape Wettability Specific gravities ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most efficient equipment for the removal of sub-micronic dust particles from blast furnace gas is the Gravity settling chamber Venturi atomiser Cyclone separator Electro-static precipitator Gravity settling chamber Venturi atomiser Cyclone separator Electro-static precipitator ANSWER DOWNLOAD EXAMIANS APP
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