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? Cresylic acid Calcium carbonate Sodium carbonate Copper sulphate Cresylic acid Calcium carbonate Sodium carbonate Copper sulphate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Moisture can be removed from lubricating oil using Vacuum leaf filter Clarifier Tubular centrifuge Sparkler filter Vacuum leaf filter Clarifier Tubular centrifuge Sparkler filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. Concentration ratio Separation efficiency Selectivity index None of these Concentration ratio Separation efficiency Selectivity index None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A screen is said to be blinded, when the Oversizes are present in undersize fraction Screen capacity is abruptly increased Undersizes are retained in oversize fraction Screen is plugged with solid particles Oversizes are present in undersize fraction Screen capacity is abruptly increased Undersizes are retained in oversize fraction Screen is plugged with solid particles ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration capacity of a rotary drum vacuum filter depends upon the Neither A nor B Characteristics of the feed slurry Both A & B Cake thickness Neither A nor B Characteristics of the feed slurry Both A & B Cake thickness ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The distribution given by microscopic analysis of powder is Number Volume Area Length Number Volume Area Length ANSWER DOWNLOAD EXAMIANS APP
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