Mechanical Operations Sphericity is the ratio of the surface area of a spherical particle having the same volume as the particle to the surface area of the particle. Which of the following has the maximum value of sphericity? Cube Raschig rings Sphere Cylinder (L/D = 1) Cube Raschig rings Sphere Cylinder (L/D = 1) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of 'grinding aids' is done in __________ grinding. Ultrafine Dry Wet Intermediate Ultrafine Dry Wet Intermediate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable equipment used to devulcanise rubber scrap and to make water dispersion & rubber solution is a Sharpies centrifuge None of these Boundary mixer Propeller agitator Sharpies centrifuge None of these Boundary mixer Propeller agitator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the follwoing mechanical conveyors does not come under the division 'scrapers'? Bucket elevators Flight conveyor Ribbon conveyor Drag conveyor Bucket elevators Flight conveyor Ribbon conveyor Drag conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A __________ employs a set of screen across a flow channel for the separation of dirt/rust from a flowing liquid stream. Classifier Clarifier Strainer Thickener Classifier Clarifier Strainer Thickener ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a roll crusher, both the rolls Have the same diameter All of these Are rotated towards each other Run either at the same or different speeds Have the same diameter All of these Are rotated towards each other Run either at the same or different speeds ANSWER DOWNLOAD EXAMIANS APP
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