Mechanical Operations Agglomeration of individual particles into clusters (flocs) is called flocculation. To prevent flocculation, the most commonly used dispersing agents are Carbonates Silicates & phosphates Sulphates Bi-carbonates Carbonates Silicates & phosphates Sulphates Bi-carbonates 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. 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 500°C and 50 atm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction does not occur due to compression in case of Smooth roll crushers Rod mills Gyratory crushers Jaw crushers Smooth roll crushers Rod mills Gyratory crushers Jaw crushers ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The opening of a 200 mesh screen (Taylor series) is 0.0047 cm 74 mili-microns 0.0074 cm 0.0074 mm 0.0047 cm 74 mili-microns 0.0074 cm 0.0074 mm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a cyclone of diameter 0.2 m with a tangential velocity of 15 m/s at the wall, the separation factor is 460 1125 2250 230 460 1125 2250 230 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For laminar flow of filtrate through the cake deposited on septum, which of the following will be valid? None of these Leva Kozney-Karman equation Blake-Plummer equation None of these Leva Kozney-Karman equation Blake-Plummer equation ANSWER DOWNLOAD EXAMIANS APP
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