Mechanical Operations Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm. 0.014 0.3 0.007 50 0.014 0.3 0.007 50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of 'grinding aids' is done in __________ grinding. Intermediate Ultrafine Dry Wet Intermediate Ultrafine Dry Wet ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following achieves the least reduction ratio for a given feed size? Jaw crusher Gyratory crusher Roll crusher Cone crusher Jaw crusher Gyratory crusher Roll crusher Cone crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The critical speed of a trommel (N) is related to its dia (D) as N ∝ D N ∝ √D N ∝ 1/√D N ∝ 1/D N ∝ D N ∝ √D N ∝ 1/√D N ∝ 1/D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Gizzlies are used for separating __________ solids. Coarse None of these Fine Any size Coarse None of these Fine Any size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mechanical conveyors which push the material along an endless trough or tube are called scrappers. Which of the following conveying equipments comes under the category of 'scrappers'? Bucket conveyor Flight conveyor Screw conveyor Both B and C Bucket conveyor Flight conveyor Screw conveyor Both B and C ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS