Mechanical Operations Dust laden air can be purified using a Cyclone separator Bag filter Gravity settler Tubular centrifuge Cyclone separator Bag filter Gravity settler Tubular centrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size measurement of ultrafine particles can be best expressed in terms of Surface area per unit mass Micron Centimetre Screen size Surface area per unit mass Micron Centimetre Screen size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a roll crusher, the specific power consumption and the production rate is affected by the Reduction ratio Neither A nor B Differential roll speed Both A & B Reduction ratio Neither A nor B Differential roll speed Both A & B 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 1000°C and 500 atm 1000°C and 10 atm 500°C and 50 atm 200°C and 5 atm 1000°C and 500 atm 1000°C and 10 atm 500°C and 50 atm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Gravity settling process is not involved in the working of a Sedimentation tank Hydrocyclone Classifier Dorr-thickener Sedimentation tank Hydrocyclone Classifier Dorr-thickener ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a hammer crusher, the Feed may be highly abrasive (Moh's scale >5) Minimum product size is 3 mm Rotor shaft carrying hammers can be vertical or horizontal Maximum feed size may be 50 mm Feed may be highly abrasive (Moh's scale >5) Minimum product size is 3 mm Rotor shaft carrying hammers can be vertical or horizontal Maximum feed size may be 50 mm ANSWER DOWNLOAD EXAMIANS APP
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