The unit of filter medium resistance is________________?
The unit of filter medium resistance is________________?
A. cm-1
B. gm/cm-1
C. cm/gm-1
D. gm-1
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Percentage of drum submerged in the slurry in case of rotary drum filter is ________________?
Percentage of drum submerged in the slurry in case of rotary drum filter is ________________?A. 3
B. 30
C. 85
D. 25__________ conveyor is the most suitable for short distance transportation of non-abrasive loose materials like garbage, grain, food wastes etc?
__________ conveyor is the most suitable for short distance transportation of non-abrasive loose materials like garbage, grain, food wastes etc?A. Flight
B. Screw
C. Drag
D. BeltThe sphericity of a solid particle of cubical shape is ___________________?
The sphericity of a solid particle of cubical shape is ___________________?A. π
B. (π/6)1/3
C. (π/6)1/2
D. π/3_____________ is the most suitable for compounding rubber and plastic solids ?
_____________ is the most suitable for compounding rubber and plastic solids ?A. Banbury mixer
B. Pan mixer
C. Pug mill
D. Charge can mixerRod mills employed for grinding_________________?
Rod mills employed for grinding_________________?A. Employ a steel shell having L/D ratio of 1.5 to 3.0
B. Is useful for handling sticky materials
C. Employ steel rods of 2-12 cms diameter extending over full length of the mill
D. All A , B & CIn coal washeries, three products namely the valuable product (i.e. clean/washed coal), discarded product (i.e. mineral matter) and an additional concentrated product called _____________ is produced?
In coal washeries, three products namely the valuable product (i.e. clean/washed coal), discarded product (i.e. mineral matter) and an additional concentrated product called _____________ is produced?A. Concentrate
B. Tailing
C. Middling
D. None of these