Mechanical Operations During the washing of cake Cake resistance decreases All the resistances are constant Filter medium resistance decreases Filter medium resistance increases Cake resistance decreases All the resistances are constant Filter medium resistance decreases Filter medium resistance increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ball mill is used for Attrition Crushing Fine grinding Coarse grinding Attrition Crushing Fine grinding Coarse grinding ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Fluid medium used in the classification technique of mineral beneficiation is Both A & B Neither A nor B Air Water Both A & B Neither A nor B Air Water ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is 0.68 0.62 0.5 0.58 0.68 0.62 0.5 0.58 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is used for primary crushing of very hard lumpy materials? Toothed roll crusher Gyratory crusher Ball mill Tube mill Toothed roll crusher Gyratory crusher Ball mill Tube mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Production rate __________ with increased fineness, with a given energy input to the size reduction machine. May increase or decrease; depends on the machine Remains unchanged Increases Decreases May increase or decrease; depends on the machine Remains unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
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