Mechanical Operations In case of grinding in a ball mill Wet grinding achieves a finer product size than dry grinding Its capacity decreases with increasing fineness of the products Grinding cost and power requirement increases with increasing fineness of the products All of these Wet grinding achieves a finer product size than dry grinding Its capacity decreases with increasing fineness of the products Grinding cost and power requirement increases with increasing fineness of the products All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Temperature of the product during ultrafine grinding Remains constant May increase or decrease ; depends on the material being ground Decreases Increases Remains constant May increase or decrease ; depends on the material being ground Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vibrating screens are used for handling large tonnages of materials. The vibrating motion is imparted to the screening surface by means of Unblanced fly wheels Either A, B or C Cams or eccentric shafts Electromagnets Unblanced fly wheels Either A, B or C Cams or eccentric shafts Electromagnets ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tank filter (e.g., Nutsch filter) is A high pressure filter A continuous filter Used for small scale filtration work A leaf filter A high pressure filter A continuous filter Used for small scale filtration work A leaf filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration of water in a paper mill is done by a/an __________ filter. Open sand Sparkler Plate and frame Vacuum leaf Open sand Sparkler Plate and frame Vacuum leaf 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
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