Mechanical Operations Filter aid is used to Act as a support base for the septum Decrease the pressure drop Increase the porosity of the cake Increase the rate of filtration Act as a support base for the septum Decrease the pressure drop Increase the porosity of the cake Increase the rate of filtration ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pine oil and cresylic acid are used as __________ in the froth floatation process. Collector Depressor Conditioner Frother Collector Depressor Conditioner Frother 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 Reciprocating screens are normally inclined at an angle of 5° with the horizontal and employ gyratory motion at feed end & reciprocating motion at the discharge end. They are not suitable for the screening of the Heavy tonnages of rocks or gravel Dry chemicals Powdered food & granular materials Light metal powder down upto 4 meshsize Heavy tonnages of rocks or gravel Dry chemicals Powdered food & granular materials Light metal powder down upto 4 meshsize ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a hammer crusher, Maximum acceptable feed size is 30 cms Crushing takes place by impact breaking Reduction ratio can be varied by adjusting the distance from cage to hammers All of these Maximum acceptable feed size is 30 cms Crushing takes place by impact breaking Reduction ratio can be varied by adjusting the distance from cage to hammers All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following conveyors cannot be recommended for transportation of abrasive materials? Chain conveyor Flight conveyor Belt conveyor Apron conveyor Chain conveyor Flight conveyor Belt conveyor Apron conveyor ANSWER DOWNLOAD EXAMIANS APP
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