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Chemical Engineering — Test 83

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Question 1
200 mesh sieve size corresponds to _____________ microns?
Question 2
Which of the following mineral dressing operations is termed as ‘comminution’?
Question 3
Which of the following is not an industrial screening equipment ?
Question 4
Highly viscous liquids & pastes are agitated by________________?
Question 5
Supporting legs of a plate and frame filter is normally made of________________?
Question 6
What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls?
Question 7
Size reduction of _____________ is accomplished in steam heated rollers and roll crushers?
Question 8
If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the_________________?
Question 9
Range of compressibility co-efficient of the commercial compressible cake obtained in filtration operation is_____________________?
Question 10
Tabular bowl centrifuges as compared to disk bowl centrifuges___________________?