Mechanical Operations Pick out the wrong statement pertaining to the roll crushers. Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced For hard material's crushing, the reduction ratio should not exceed 4 Both the rolls run necessarily at the same speed Maximum feed size determines the required roll diameter Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced For hard material's crushing, the reduction ratio should not exceed 4 Both the rolls run necessarily at the same speed Maximum feed size determines the required roll diameter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of a suspension or slurry into a supernatant clear liquid (free from particles) and a thick sludge containing a high concentration of solid is called Sedimentation Classification Decantation Clarification Sedimentation Classification Decantation Clarification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Traces of liquid tar fog present in coke oven gas is separated using Strainer Electrostatic precipitator None of these Cyclone separator Strainer Electrostatic precipitator None of these Cyclone separator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not accomplished by agitation of liquids in agitators? Dispersing immiscible liquid in form of emulsion Dispersing gas in liquid Suspending solid particles Blending of immiscible liquids Dispersing immiscible liquid in form of emulsion Dispersing gas in liquid Suspending solid particles Blending of immiscible liquids ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm. 0.007 0.3 0.014 50 0.007 0.3 0.014 50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ribbon blenders are exclusively meant for Bath mixing Blending miscible liquids Non-flowing powder and thin pastes Continuous mixing Bath mixing Blending miscible liquids Non-flowing powder and thin pastes Continuous mixing ANSWER DOWNLOAD EXAMIANS APP
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