Hamad Mechanical Operations 04/09/2020 A. 0.01 to 0.1 B. 0.1 to 0.3 C. 0.2 to 0.8 D. 0.2 to 0.4 Related Mcqs: Grinding efficiency of a ball mill is of the order of _______________ percent?A. 1-5 B. 40-50 C. 75-80 D. 90-95... The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be_________________?A. 0.5 Wi B. Wi C. 1.34 Wi D. 3.34 Wi... A filter press is___________________?A. A batch filter B. Not suitable, if the liquid is the main product C. Having prohibitively high maintenance cost D. Not suitable for wide range of materials under varying operating conditions of cake thickness and pressure... The energy consumed by a ball mill depends on__________________?A. Its speed B. Its ball load C. The density of the material being ground D. All A., B. and C.... For removal of very small amounts of precipitate from large volume of water, the most suitable filter is the ______________ filter?A. Plate & frame B. Shell & leaf C. Sand D. Rotary vacuum...
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