Mechanical Operations Size reduction of ice and gypsum can be accomplished suitably by a __________ crusher. Gyratory Toothed roll Blake jaw None of these Gyratory Toothed roll Blake jaw None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm < < Rc) is proportional to __________ and the cycle time (where, μ = filtrate viscosity Rm = filter medium resistance Rc = cake resistance ). 1/μ² √μ 1/√μ 1/μ 1/μ² √μ 1/√μ 1/μ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Temperature of the product during ultrafine grinding Increases Remains constant Decreases May increase or decrease ; depends on the material being ground Increases Remains constant Decreases May increase or decrease ; depends on the material being ground ANSWER DOWNLOAD EXAMIANS APP
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)? Helical screw Curved blade turbine Propeller Flat blade turbine Helical screw Curved blade turbine Propeller Flat blade turbine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ball mills and tube mills with flint or porcelain balls are used for size reduction of Rubber Non-metallic ores Asbestos Limestone Rubber Non-metallic ores Asbestos Limestone ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Dust collection efficiency of electrostatic precipitator can be as high as 99.9%. Maximum temperature and pressure of dust laden gas that can be cleaned in an electrostatic precipitator is respectively. 500°C and 50 atm 1000°C and 10 atm 200°C and 5 atm 1000°C and 500 atm 500°C and 50 atm 1000°C and 10 atm 200°C and 5 atm 1000°C and 500 atm ANSWER DOWNLOAD EXAMIANS APP
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