For classification of potable (drinking) water, we use a _______________ filter?

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In a size reduction crushing operation, feed size is 300 to 1500 mm while the product size is 100 to 300 mm. This is a case of the ________________ crushing?

A. Secondary B. Fine C. Primary D. Ultrafine...

Pick out the wrong statement ?

A. More commonly used jaw crusher between Dodge jaw crusher and Blake jaw crusher is the later one B. There are only four methods namely compression, impact, attrition and cutting, which the size reduction equipments employ C. Cutting machines mainly employ ‘attrition’ for size reduction of solids D. Operating principles of Dodge and Blake jaw … Pick out the wrong statement ?Read More...

Sphericity of pulverised coal is__________________?

A. 1 B. < 1 C. > 1 D. ∞...

Ultracentrifuges running at speeds upto 100000 rpm is normally used for the_____________________?

A. Separation of isotopes based on their density or molecular weights difference B. Concentration of rubber latex C. Separation of cream from milk D. Dewaxing of lubricating oil...

Which of the following can be most effectively used for clarification of lube oil and printing ink ?

A. Sparkler filter B. Pre-coat filter C. Disc-bowl centrifuge D. Sharpies super-centrifuge...