Mechanical Operations Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills. Non-metallic ores Basic slags Metalliferrous ores Asbestos & mica Non-metallic ores Basic slags Metalliferrous ores Asbestos & mica ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is used for primary crushing of very hard lumpy materials? Gyratory crusher Ball mill Tube mill Toothed roll crusher Gyratory crusher Ball mill Tube mill Toothed roll crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a plate and frame filter press, filtrate flow through the cake follows __________ flow. None of these Plug Laminar Turbulent None of these Plug Laminar Turbulent ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The main differentiation factor between tube mill and ball mill is the Operating speed Size of the grinding media Length to diameter ratio Final product size Operating speed Size of the grinding media Length to diameter ratio Final product size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sedimentation on commercial scale occurs in Classifiers Rotary drum filters Thickeners Cyclones Classifiers Rotary drum filters Thickeners Cyclones ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The power number for a stirred tank becomes constant at high Reynolds number. In this limit, the variation of power input with impeller rotational speed (N) is proportional to N¹ N³ N° N² N¹ N³ N° N² ANSWER DOWNLOAD EXAMIANS APP
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