Mechanical Operations The capacity of a gyratory crusher is __________ that of a jaw crusher with the same gape, handling the same feed & for the same product size range. 10 times 5 times 2.5 times Same as 10 times 5 times 2.5 times Same as ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For benefication of iron ore, the most commonly used method is Froth floatation None of these Jigging & tabling Flocculation Froth floatation None of these Jigging & tabling Flocculation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Power consumption during turbulent flow in agitation tank is proportional to the __________ of the liquid. Thermal conductivity Density Surface tension Viscosity Thermal conductivity Density Surface tension Viscosity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pick out the wrong statement pertaining to the roll crushers. Both the rolls run necessarily at the same speed Maximum feed size determines the required roll diameter For hard material's crushing, the reduction ratio should not exceed 4 Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced Both the rolls run necessarily at the same speed Maximum feed size determines the required roll diameter For hard material's crushing, the reduction ratio should not exceed 4 Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as a surface active agent in a flocculation operation? Quartz Lime Alumina Sodium silicate Quartz Lime Alumina Sodium silicate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Dust collection efficiency of electrostatic precipitator can be as high as 99.9%. Maximum temperature and pressure of dust laden gas that can be cleaned in an electrostatic precipitator is respectively. 1000°C and 500 atm 200°C and 5 atm 1000°C and 10 atm 500°C and 50 atm 1000°C and 500 atm 200°C and 5 atm 1000°C and 10 atm 500°C and 50 atm ANSWER DOWNLOAD EXAMIANS APP
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