Mechanical Operations Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills. Asbestos & mica Metalliferrous ores Non-metallic ores Basic slags Asbestos & mica Metalliferrous ores Non-metallic ores Basic slags ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Trommels are revolving screens which normally operate in the range of __________ rpm. 60 - 75 15 - 20 40 - 50 43832 60 - 75 15 - 20 40 - 50 43832 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, the surface shape factor is given by (where, A = area, V = volume, and D = diameter) π/6(=V/D³) None of these π(=A/D²) AD/V π/6(=V/D³) None of these π(=A/D²) AD/V ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Angle of nip of the crushing rolls does not depend upon the Feed size Speed of the rolls Diameter of the rolls Product size Feed size Speed of the rolls Diameter of the rolls Product size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A filter press is Not suitable for wide range of materials under varying operating conditions of cake thickness and pressure Having prohibitively high maintenance cost A batch filter Not suitable, if the liquid is the main product Not suitable for wide range of materials under varying operating conditions of cake thickness and pressure Having prohibitively high maintenance cost A batch filter Not suitable, if the liquid is the main product ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Raw materials are charged in the iron blast furnace using Skip hoist None of these Bucket elevator Screw conveyor Skip hoist None of these Bucket elevator Screw conveyor ANSWER DOWNLOAD EXAMIANS APP
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