Mechanical Operations Which of the following conveyors cannot be recommended for transportation of abrasive materials? Apron conveyor Flight conveyor Belt conveyor Chain conveyor Apron conveyor Flight conveyor Belt conveyor Chain conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of __________ is accomplished in steam heated rollers and roll crushers. Resins Gums Hard rubber Waxes Resins Gums Hard rubber Waxes ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations As per Taggart's formula, the capacity (kg/hr) of Jaw & Gyratory crushers (for gapes of 10 to 60 cms) is equal to (where, L = Length of feed opening, cms S = Maximum width of discharge opening, cms ) √LS 250 LS 93 LS LS √LS 250 LS 93 LS LS ANSWER DOWNLOAD EXAMIANS APP
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 Sodium carbonate Calcium carbonate Copper sulphate Cresylic acid Sodium carbonate Calcium carbonate Copper sulphate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most common filter aid is Diatomaceous earth Calcium silicate Silica gel Sodium carbonate Diatomaceous earth Calcium silicate Silica gel Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP