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Hamad Mechanical Operations 16/07/2021
- Capacity (in tons/hr) of jaw/gyratory crusher is equal to (where, L = length of the receiving opening, cm S = greater width of the discharge opening, cm) ?
- A. 0.01 L.S B. 0.087 L.S C. L.S D. L.S/0.087...
- 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...
- Maximum size reduction in a ball mill is done by the, ______________ action?
- A. Attrition B. Compression C. Impact D. Cutting...
- Which of the following crushing laws is most accurately applicable to the fine grinding of materials ?
- A. Bond’s crushing law B. Kick’s law C. Rittinger’s law D. None of these...
- The specific cake resistance for compressible sludges is a function of the pressure drop__________________?
- A. Over cake B. Over medium C. Overall D. None of these...
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