Mechanical Operations Separation of isotopes is generally done using a/an __________ centrifuge. Ultra Both A & B Neither A nor B Disk-bowl Ultra Both A & B Neither A nor B Disk-bowl ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a turbine agitated and baffled tank, operating at low Reynold's number (based on impeller diameter), the power number (Np) varies with NRe as Np ∝ √NRe Np ∝ 1/NRe Np → constant Np ∝ NRe Np ∝ √NRe Np ∝ 1/NRe Np → constant Np ∝ NRe ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Wheat is ground into flour in a Roller crusher Impact mill Hammer crusher Fluid energy mill Roller crusher Impact mill Hammer crusher Fluid energy mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, feed size is 300 to 1500 mm while the product size is 100 to 300 mm. This is a case of the __________ crushing. Fine Secondary Ultrafine Primary Fine Secondary Ultrafine Primary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for American standard screens (ASTM and Tyler standard screens) German standard screens (DIN 1171) etc British standard screens All of these American standard screens (ASTM and Tyler standard screens) German standard screens (DIN 1171) etc British standard screens All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sizing of very fine particles of the order of 5 to 10 microns is done by elutriation, which is a __________ operation. Flocculation Classification Sedimentation Clarification Flocculation Classification Sedimentation Clarification ANSWER DOWNLOAD EXAMIANS APP
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