Mechanical Operations Which of the following agitators having a large blade area, rotating at slow speed is used for mixing high viscosity liquids ( > 50000 centipoise)? Flat blade turbine Propeller Helical screw Curved blade turbine Flat blade turbine Propeller Helical screw Curved blade turbine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following conveyors cannot be recommended for transportation of abrasive materials? Belt conveyor Chain conveyor Flight conveyor Apron conveyor Belt conveyor Chain conveyor Flight conveyor Apron conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A gravity decanter is meant for the separation of two __________ density. Immiscible liquids of same Miscible liquids of different Immiscible liquids of different Miscible liquids of same Immiscible liquids of same Miscible liquids of different Immiscible liquids of different Miscible liquids of same ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific surface of sherical particles is proportional to (where, Dp = diameter of particle). Dp 1/D²p 1/Dp D²p Dp 1/D²p 1/Dp D²p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Trommels are revolving screens which normally operate in the range of __________ rpm. 60 - 75 15 - 20 43832 40 - 50 60 - 75 15 - 20 43832 40 - 50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, the surface shape factor is given by (where, A = area, V = volume, and D = diameter) AD/V π/6(=V/D³) None of these π(=A/D²) AD/V π/6(=V/D³) None of these π(=A/D²) ANSWER DOWNLOAD EXAMIANS APP
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