Mechanical Operations In a mixer, the quantity, (v. L/D) is termed as __________ number(where, v = longitudinal velocity of material, L = length of the mixer, D = diffusivity in axial mixing). Peclet Weber Brinkman Schmidt Peclet Weber Brinkman Schmidt ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Angle of nip of the crushing rolls does not depend upon the Speed of the rolls Feed size Diameter of the rolls Product size Speed of the rolls Feed size Diameter of the rolls Product size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grindability of a material does not depend upon its Size Hardness Elasticity Toughness Size Hardness Elasticity Toughness ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The grinding in a hammer crusher takes place due to the Attrition Impact Both A & B Neither A nor B Attrition Impact Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reduction ratio of crushers is the None of these Ratio of feed opening to discharge opening Ratio of discharge opening to feed opening Determining factor for minimum dia of the feed and the product None of these Ratio of feed opening to discharge opening Ratio of discharge opening to feed opening Determining factor for minimum dia of the feed and the product ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is the most suitable for cleaning of fine coal dust (<0.5 mm)? Trough washer Spiral separator Baum jig washer Froth floatation Trough washer Spiral separator Baum jig washer Froth floatation ANSWER DOWNLOAD EXAMIANS APP
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