Process Equipment & Plant Design Mcqs for Chemical

Q.  A perforated plate has holes of diameter dn arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by_______________?

a. (ph – dh)/ph
b. (ph – dh . dt/2)/ph
c. (ph – dt)/ph
d. (ph – dh)/dh


ANSWER: See Answer
 
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