Mechanical Operations The speed of a rotary drum vacuum filter may be about __________ rpm. 500 1 50 100 500 1 50 100 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pebble mills are tumbling mills widely used for grinding in the manufacture of paints & pigments and cosmetic industries, where iron contamination in the product is highly objectionable. Pebbles used in pebble mill are made of Flint or porcelain Concrete Bronze Stainless steel Flint or porcelain Concrete Bronze Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Toothed roll crushers achieve size reduction by Neither A nor B Tearing (shear) and compression Impact and attrition Both A & B Neither A nor B Tearing (shear) and compression Impact and attrition Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The constants (Kb, Kr and Kk) used in the laws of crushing (i.e., Bond's law, Rittinger's law and Kick's law) depend upon the Type of crushing machine Feed material Both A & B Neither A nor B Type of crushing machine Feed material Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The equivalent diameter of channel of a constant non-circular cross-section of 3 cm by 6 cm will be __________ cms. 8 12 2 20 8 12 2 20 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Fibrous material is broken by a Ball mill Squirrel-cage disintegrator Rollcrusher Tube mill Ball mill Squirrel-cage disintegrator Rollcrusher Tube mill ANSWER DOWNLOAD EXAMIANS APP