Mechanical Operations Reduction ratio of crushers is the Ratio of feed opening to discharge opening Determining factor for minimum dia of the feed and the product Ratio of discharge opening to feed opening None of these Ratio of feed opening to discharge opening Determining factor for minimum dia of the feed and the product Ratio of discharge opening to feed opening None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a non-metalliferous mineral? Quartz Calcite Cassiterrite Fluorspar Quartz Calcite Cassiterrite Fluorspar ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ball mills and tube mills with flint or porcelain balls are used for size reduction of Asbestos Non-metallic ores Rubber Limestone Asbestos Non-metallic ores Rubber Limestone ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Helical screw agitator is used for Mixing highly viscous pastes Blending immiscible liquids None of these Mixing liquids at very high temperature (> 250 °C) Mixing highly viscous pastes Blending immiscible liquids None of these Mixing liquids at very high temperature (> 250 °C) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The power number for a stirred tank becomes constant at high Reynolds number. In this limit, the variation of power input with impeller rotational speed (N) is proportional to N³ N° N¹ N² N³ N° N¹ N² ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy consumed for crushing one ton of material ranges from __________ kWh. 0.01 to 0.1 0.5 to 1.5 2 to 3.5 4 to 5 0.01 to 0.1 0.5 to 1.5 2 to 3.5 4 to 5 ANSWER DOWNLOAD EXAMIANS APP
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