Mechanical Operations Crushing efficiency of a machine ranges between __________ percent. 5 to 10 50 to 70 0.1 to 2 20 to 25 5 to 10 50 to 70 0.1 to 2 20 to 25 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Washability curve based on float and sink test enables an assessment to be made of the possibility of cleaning a coal fraction based on the Volatile matter content Differential wettability Density separation Size Volatile matter content Differential wettability Density separation Size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Limestone is normally crushed in a Hammer crusher Ball mill Tube mill Roll crusher Hammer crusher Ball mill Tube mill Roll crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of grinding in a ball mill Grinding cost and power requirement increases with increasing fineness of the products All of these Wet grinding achieves a finer product size than dry grinding Its capacity decreases with increasing fineness of the products Grinding cost and power requirement increases with increasing fineness of the products All of these Wet grinding achieves a finer product size than dry grinding Its capacity decreases with increasing fineness of the products ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During size reduction by a jaw crusher, the energy consumed decreases with the Increasing size of feed at constant reduction ratio Decreasing size of product at constant size of feed Decreasing machine capacity None of these Increasing size of feed at constant reduction ratio Decreasing size of product at constant size of feed Decreasing machine capacity None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm < < Rc) is proportional to __________ and the cycle time (where, μ = filtrate viscosity Rm = filter medium resistance Rc = cake resistance ). √μ 1/μ² 1/μ 1/√μ √μ 1/μ² 1/μ 1/√μ ANSWER DOWNLOAD EXAMIANS APP
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