Mechanical Operations Activators are those chemicals which help buoying up one mineral in preference to the other in the froth floatation process. Which of the following is an activator? Copper sulphate Sodium carbonate Calcium carbonate Cresylic acid Copper sulphate Sodium carbonate Calcium carbonate Cresylic acid ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Short distance transportation of grain, gravel, sand, ash, asphalt etc. is done by using a __________ conveyor. Ribbon Slat or drag Screw Flight Ribbon Slat or drag Screw Flight ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In constant pressure filtration, Rate of filtration decreases with time Rate of filtration is constant Resistance decreases with time Rate of filtration increases with time Rate of filtration decreases with time Rate of filtration is constant Resistance decreases with time Rate of filtration increases with time ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of grinding in a ball mill Its capacity decreases with increasing fineness of the products Grinding cost and power requirement increases with increasing fineness of the products All of these Wet grinding achieves a finer product size than dry grinding Its capacity decreases with increasing fineness of the products Grinding cost and power requirement increases with increasing fineness of the products All of these Wet grinding achieves a finer product size than dry grinding ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mixer used for rubber compounding is Banbury internal mixer Muller mixer Pug mill Mixer-extruder Banbury internal mixer Muller mixer Pug mill Mixer-extruder ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen capacity is not a function of Its openings size Atmospheric humidity Screening surface Screening mechanism Its openings size Atmospheric humidity Screening surface Screening mechanism ANSWER DOWNLOAD EXAMIANS APP
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