Mechanical Operations In bag filters, filter fabrics are never made of Polyester fibres Metallic wire woven mesh Cotton fibres Nylon fibres Polyester fibres Metallic wire woven mesh Cotton fibres Nylon fibres ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mixing of light fine powder such as insecticides is done by Impact wheels Pug mill Banbery mixer Kneader Impact wheels Pug mill Banbery mixer Kneader ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific cake resistance for incompressible sludges is (where ΔP = pressure drop over cake) Independent of ΔP ∝ 1/ ΔP ∝ √ΔP ∝ ΔP Independent of ΔP ∝ 1/ ΔP ∝ √ΔP ∝ ΔP ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Compressibility co-efficient for an absolutely compressible cake is 0 to 1 1 ∞ 0 to 1 1 ∞ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The opening of a 200 mesh screen (Taylor series) is 0.0074 mm 0.0074 cm 74 mili-microns 0.0047 cm 0.0074 mm 0.0074 cm 74 mili-microns 0.0047 cm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The cake resistance increases steadily with the time of filtration in a plate and frame filter employing constant __________ filtration. Rate Pressure Both A & B Neither A nor B Rate Pressure Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP