Mechanical Operations Grindability of a material does not depend upon its Elasticity Size Hardness Toughness Elasticity Size Hardness Toughness ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger's crushing law states that Work required to form a particle of a particular size is proportional to the square root of the surface to volume ratio of the product Work required in crushing is proportional to the new surface created Work required to form a particle of any size is proportional to the square of the surface to volume ratio of the product For a given machine and feed, crushing efficiency is dependent on the size of the feed & product Work required to form a particle of a particular size is proportional to the square root of the surface to volume ratio of the product Work required in crushing is proportional to the new surface created Work required to form a particle of any size is proportional to the square of the surface to volume ratio of the product For a given machine and feed, crushing efficiency is dependent on the size of the feed & product ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. Separation efficiency Concentration ratio None of these Selectivity index Separation efficiency Concentration ratio None of these Selectivity index ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A filter press is A batch filter Not suitable for wide range of materials under varying operating conditions of cake thickness and pressure Having prohibitively high maintenance cost Not suitable, if the liquid is the main product A batch filter Not suitable for wide range of materials under varying operating conditions of cake thickness and pressure Having prohibitively high maintenance cost Not suitable, if the liquid is the main product ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. None of these Specific gravities Shape Wettability None of these Specific gravities Shape Wettability ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Traces of liquid tar fog present in coke oven gas is separated using None of these Strainer Electrostatic precipitator Cyclone separator None of these Strainer Electrostatic precipitator Cyclone separator ANSWER DOWNLOAD EXAMIANS APP
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