Mechanical Operations Which of the following gives the work required for size reduction of coal to -200 mesh in a ball mill most accurately ? Bond's law Kick's law Rittinger's law None of these Bond's law Kick's law Rittinger's law None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A screen is said to be blinded, when the Undersizes are retained in oversize fraction Oversizes are present in undersize fraction Screen is plugged with solid particles Screen capacity is abruptly increased Undersizes are retained in oversize fraction Oversizes are present in undersize fraction Screen is plugged with solid particles Screen capacity is abruptly increased ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following terminology is not used for size reduction of materials to fine sizes or powders? Pulverisation Comminution Compression Dispersion Pulverisation Comminution Compression Dispersion ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen capacity is not a function of Screening mechanism Screening surface Atmospheric humidity Its openings size Screening mechanism Screening surface Atmospheric humidity Its openings size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The reduction ratio for grinders is defined as(where, Df and Dp are average diameters of feed and product respectively). Dp/Df None of these Df/Dp Df - Dp Dp/Df None of these Df/Dp Df - Dp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Apron conveyors are used for Heavy loads & long runs Small loads & long runs None of these Heavy loads & short runs Heavy loads & long runs Small loads & long runs None of these Heavy loads & short runs ANSWER DOWNLOAD EXAMIANS APP
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