Curioustab

Home » Chemical Engineering » Process Equipment and Plant Design

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

(ph - dh)/ph
(ph - dh . dt/2)/ph
(ph - dt)/ph
(ph - dh)/dh

Correct Answer: (ph - dt)/ph

← Previous Question Next Question→

More Questions from Process Equipment and Plant Design

Diameter of the seive tray column is determined by the
__________ shapedroof is the most commonly used roof for cylinderical storage tanks.
In the design of a paddle agitator, the ratiois normally taken as
In case of a 'thin' pressure vessel, the ratio of its diameter to wall thickness is
__________ is the determining factor for the number of bubble caps to be used per tray.
At the following point for a given packing and set of fluids, the pressure drop per metre of packed height, with variation in fluid rates and operating pressure
If 'D' is the inside diameter of the shell of a shell and tube heat exchanger, then the baffle spacing is usually in the range of
Weep holes provided in the plates of a distillation column
for a Tee (used as elbow, entering branch) would be
Tube wall thickness depends on the cor-rosiveness of the fluids and their operating pressure & temperature and is specified by Birmingham wire gauge (B.W.G)-a number which varies from 8 to 18 with the numbers 14 and 16 being more commonly used. Outside diameter of tubes varies from about 15 to 50 mm; however a tube of less than __________ mm outside diameter is generally not recommended for fouling fluids.

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion