Maximum size of the raschig rings used in a packed tower is about _______________ of the column diameter?

Related Mcqs:

High pressure fluid in a shell and tube heat exchanger should preferably be routed through the________________?

A. Tubes to avoid the expansion of high pressure shell construction B. Shell side for smaller total pressure drop C. Shell side, if the flow is counter-current and tube side if the flow is co-current D. Shell side for large overall heat transfer co-efficient...

In a pressure vessel containing multiple openings of various dimensions at different parts, stress concentration at the edges of the opening is maximum which becomes negligibly small beyond the area covered by ______________ times the hole diameter?

A. Two B. Five C. Ten D. Twenty...

A/an _______________ is used for changing the direction of a pipeline?

A. Elbow B. Union C. Flange D. Disc compensator...

Thin spherical shells subjected to internal pressure, develop ______________ stresses?

A. Radial B. Circumferential C. Both A. & B. D. Neither A. nor B....

Apex angle of conical heads used in the bottom heads of chemical process equipments is usually__________________?

A. 30° B. 45° C. 60° D. 75°...