Mechanical Operations Dust laden air can be purified using a Gravity settler Tubular centrifuge Bag filter Cyclone separator Gravity settler Tubular centrifuge Bag filter Cyclone separator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most efficient equipment for the removal of sub-micronic dust particles from blast furnace gas is the Gravity settling chamber Cyclone separator Electro-static precipitator Venturi atomiser Gravity settling chamber Cyclone separator Electro-static precipitator Venturi atomiser ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A propeller agitator All of these Is used for mixing high viscosity pastes Produces mainly axial flow Runs at very slow speed (2 rpm) All of these Is used for mixing high viscosity pastes Produces mainly axial flow Runs at very slow speed (2 rpm) ANSWER DOWNLOAD EXAMIANS APP
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. 0.007 0.014 50 0.3 0.007 0.014 50 0.3 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing of mineral particles is accomplished in a 'cage mill', when one or more alloy steel bars are revolved in opposite directions. It is a type of __________ mill. Roll Vibratory Impact None of these Roll Vibratory Impact None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls? 32° 40° 46° 16° 32° 40° 46° 16° ANSWER DOWNLOAD EXAMIANS APP
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