Process Equipment & Plant Design Mcqs for Chemical

Q.  In sieve plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally ______________ times the hole diameter to give the required hole area?

a. 0.5 to 1.5
b. 2.5 to 4.0
c. 5 to 10
d. 10 to 15


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