Mechanical Operations Which of the following is not categorised as a "mechanical operation"? Agitation Filtration Size enlargement Humidification Agitation Filtration Size enlargement Humidification 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. 200°C and 5 atm 500°C and 50 atm 1000°C and 10 atm 1000°C and 500 atm 200°C and 5 atm 500°C and 50 atm 1000°C and 10 atm 1000°C and 500 atm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Height of liquid in agitation tank is normally maintained equal to the tank diameter. However, if the tank is too tall and a large liquid hold up is desired, then two or more impellers mounted on the same shaft may be used. The clearance between the tank bottom and the bottom most impeller should be about (where, D = impeller diameter) 1.5 D 2 D 0.5 D D 1.5 D 2 D 0.5 D D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Range of compressibility co-efficient of the commercial compressible cake obtained in filtration operation is 0.2 to 0.8 0.01 to 0.1 0.2 to 0.4 0.1 to 0.3 0.2 to 0.8 0.01 to 0.1 0.2 to 0.4 0.1 to 0.3 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A propeller agitator Runs at very slow speed (2 rpm) Produces mainly axial flow Is used for mixing high viscosity pastes All of these Runs at very slow speed (2 rpm) Produces mainly axial flow Is used for mixing high viscosity pastes All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Optimum ratio of operating speed to critical speed of a trommel is 0.33-0.45 1.5-2.5 1.33-1.45 0.5-2 0.33-0.45 1.5-2.5 1.33-1.45 0.5-2 ANSWER DOWNLOAD EXAMIANS APP
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