Mechanical Operations Pick out the wrong statement pertaining to the roll crushers. For hard material's crushing, the reduction ratio should not exceed 4 Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced Both the rolls run necessarily at the same speed Maximum feed size determines the required roll diameter For hard material's crushing, the reduction ratio should not exceed 4 Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced Both the rolls run necessarily at the same speed Maximum feed size determines the required roll diameter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following crushing laws is most accurately applicable to the fine grinding of materials ? None of these Rittinger's law Kick's law Bond's crushing law None of these Rittinger's law Kick's law Bond's crushing law ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mixer is used for devulcanisation of rubber scrap & making water dispersion & rubber solution. Muller Tumbler Banbery Rubbon blender Muller Tumbler Banbery Rubbon blender ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of grinding aids results in the Finer products Enhanced production rate Neither A nor B Both A & B Finer products Enhanced production rate Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sedimentation on commercial scale occurs in Cyclones Thickeners Classifiers Rotary drum filters Cyclones Thickeners Classifiers Rotary drum filters ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For benefication of iron ore, the most commonly used method is Jigging & tabling None of these Flocculation Froth floatation Jigging & tabling None of these Flocculation Froth floatation ANSWER DOWNLOAD EXAMIANS APP
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