Mechanical Operations A screen is said to be blinded, when the Screen capacity is abruptly increased Oversizes are present in undersize fraction Undersizes are retained in oversize fraction Screen is plugged with solid particles Screen capacity is abruptly increased Oversizes are present in undersize fraction Undersizes are retained in oversize fraction Screen is plugged with solid particles ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, feed size is 300 to 1500 mm while the product size is 100 to 300 mm. This is a case of the __________ crushing. Ultrafine Fine Secondary Primary Ultrafine Fine Secondary Primary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cement clinker is reduced to fine size by a Ball mill Hammer mill Tube mill Roll crusher Ball mill Hammer mill Tube mill Roll crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in the pressure drop across the cake, the specific cake resistance for the compressible sludge Increases Decreases Increases linearly Remains constant Increases Decreases Increases linearly Remains constant ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Range of compressibility co-efficient of the commercial compressible cake obtained in filtration operation is 0.2 to 0.4 0.1 to 0.3 0.2 to 0.8 0.01 to 0.1 0.2 to 0.4 0.1 to 0.3 0.2 to 0.8 0.01 to 0.1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing efficiency is the ratio of the Energy fed to the machine to the surface energy created by crushing Energy absorbed by the solid to the surface energy created by crushing Energy absorbed by the solid to that fed to the machine Surface energy created by crushing to the energy absorbed by the solid Energy fed to the machine to the surface energy created by crushing Energy absorbed by the solid to the surface energy created by crushing Energy absorbed by the solid to that fed to the machine Surface energy created by crushing to the energy absorbed by the solid ANSWER DOWNLOAD EXAMIANS APP
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