Mechanical Operations Cumulative analysis for determining surface is more precise than differential analysis, because of the Assumption that all particles in a single fraction are equal in size Assumption that all particles in a single fraction are equal in size, is not needed Fact that screening is more effective None of these Assumption that all particles in a single fraction are equal in size Assumption that all particles in a single fraction are equal in size, is not needed Fact that screening is more effective None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reduction ratio of crushers is the Ratio of discharge opening to feed opening Determining factor for minimum dia of the feed and the product Ratio of feed opening to discharge opening None of these Ratio of discharge opening to feed opening Determining factor for minimum dia of the feed and the product Ratio of feed opening to discharge opening None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of particles of various sizes, shapes and densities by allowing them to settle in a fluid is called Froth floatation Classification Thickening Clarification Froth floatation Classification Thickening Clarification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pick out the material having minimum Rittinger's number. Pyrite Quartz Galena Calcite Pyrite Quartz Galena Calcite ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following must be stored in silos and not in open yard? Coke breeze High V.M. bituminous coal None of these Sand Coke breeze High V.M. bituminous coal None of these Sand ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pick out the wrong statement pertaining to the roll crushers. Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced For hard material's crushing, the reduction ratio should not exceed 4 Maximum feed size determines the required roll diameter Both the rolls run necessarily at the same speed Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced For hard material's crushing, the reduction ratio should not exceed 4 Maximum feed size determines the required roll diameter Both the rolls run necessarily at the same speed ANSWER DOWNLOAD EXAMIANS APP
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