Mechanical Operations
Flow of filtrate through the cake in a plate and frame filter press is best described by the __________ equation.

Fanning's
Hagen-Poiseulle's
Kremser
Kozney-Karman

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Mechanical Operations
Rod mills employed for grinding

Is useful for handling sticky materials
All of these
Employ a steel shell having L/D ratio of 1.5 to 3.0
Employ steel rods of 2-12 cms diameter extending over full length of the mill

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