Mechanical Operations Vibrating screens are used for handling large tonnages of materials. The vibrating motion is imparted to the screening surface by means of Electromagnets Cams or eccentric shafts Either A, B or C Unblanced fly wheels Electromagnets Cams or eccentric shafts Either A, B or C Unblanced fly wheels ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Diatomaceous earth is a/an Explosive Filter medium Catalyst Filter aid Explosive Filter medium Catalyst Filter aid ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following oxides is not present in hematite iron ore? Calcium oxide Cobalt oxide Manganese oxide Titanium oxide Calcium oxide Cobalt oxide Manganese oxide Titanium oxide ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately __________ microns. 5 50 500 5000 5 50 500 5000 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the Linear speed of the basket is doubled Centrifugal force is doubled Capacity of centrifuge is increased Linear speed of the basket is halved Linear speed of the basket is doubled Centrifugal force is doubled Capacity of centrifuge is increased Linear speed of the basket is halved 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. Secondary Ultrafine Primary Fine Secondary Ultrafine Primary Fine ANSWER DOWNLOAD EXAMIANS APP
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