Mechanical Operations Which of the following is used for primary crushing of very hard lumpy materials? Toothed roll crusher Gyratory crusher Tube mill Ball mill Toothed roll crusher Gyratory crusher Tube mill Ball mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a hammer crusher, the final product size depends on the Rotor speed Feed rate All of these Clearance between hammer & grinding plates Rotor speed Feed rate All of these Clearance between hammer & grinding plates ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mechanical conveyors which push the material along an endless trough or tube are called scrappers. Which of the following conveying equipments comes under the category of 'scrappers'? Bucket conveyor Flight conveyor Both B and C Screw conveyor Bucket conveyor Flight conveyor Both B and C Screw conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations All resistances during washing of cake Increases None of these Decreases Remain constant Increases None of these Decreases Remain constant ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rod mills employed for grinding Employ steel rods of 2-12 cms diameter extending over full length of the mill Is useful for handling sticky materials All of these Employ a steel shell having L/D ratio of 1.5 to 3.0 Employ steel rods of 2-12 cms diameter extending over full length of the mill Is useful for handling sticky materials All of these Employ a steel shell having L/D ratio of 1.5 to 3.0 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration rate does not depend upon the None of these Pressure drop & area of filtering surface Resistance of the cake & the septum Properties of the cake & the filtrate None of these Pressure drop & area of filtering surface Resistance of the cake & the septum Properties of the cake & the filtrate ANSWER DOWNLOAD EXAMIANS APP
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