Chemical Engineering — Test 77
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Question 1
Filtration capacity of a rotary drum vacuum filter depends upon the_______________?
Question 2
The specific cake resistance for incompressible sludges is (where ΔP = pressure drop over cake)__________________?
Question 3
Which of the following is the most suitable filter for separation of abrasive solids suspended in a corrosive liquid ?
Question 4
A fluid energy mill is used for_________________?
Question 5
Which of the following is a vacuum filter ?
Question 6
Carbon black is pulverised in a_______________?
Question 7
Rittinger’s number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger’s number of a material indicates its________________?
Question 8
For efficient grinding, ball mills must be operated__________________?
Question 9
For a sphere falling in the constant drag co-efficient regime, its terminal velocity depends on its diameter D. as_________________?
Question 10
What is the reduction ratio in a fine crushing operation having following feed and product sizes ?