Hamad Mechanical Operations 30/10/2020 A. Roll-crusher B. Squirrel-cage disintegrator C. Ball mill D. Tube mill Related Mcqs: Where the density difference of the two liquid phase to be separated is very small (as in milk cream separator), the most suitable separator is a____________________?A. Disc bowl centrifuge B. Sharpies super-centrifuge C. Batch basket centrifuge D. Sparkler filter... Size measurement of ultrafine particles can be best expressed in terms of___________________?A. Centimetre B. Screen size C. Micron D. Surface area per unit mass... Optimum ratio of operating speed to critical speed of a trommel is_____________________?A. 0.33-0.45 B. 1.33-1.45 C. 0.5-2 D. 1.5-2.5... A screen is said to be blinded, when the___________________?A. Over-sizes are present in undersize fraction B. Under-sizes are retained in oversize fraction C. Screen is plugged with solid particles D. Screen capacity is abruptly increased... ____________ conveyor is the most suitable for long distance transportation of cold, nonabrasive granular/irregular shape/fine materials?A. Bucket B. Belt C. Screw D. Apron...
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