Smaller sized packings are generally dumped to the packed columns, and the large ones of size greater than ______________ mm are stacked individually, which provides better control over bed porosity and offers lower gas pressure drop?

Related Mcqs:

The ratio of the largest load in a test to the original cross-sectional area of the test specimen is called the _____________ stress?

A. Yield point B. Breaking C. Ultimate D. None of these...

____________ is the determining factor for the number of bubble caps to be used per tray?

A. Permissible slot velocity B. Tray diameter C. Liquid load D. Vapor load...

____________ head is the most economical for cylindrical vessels designed for operating at high pressure (> 15 atm.)?

A. Hemispherical B. Dished C. Ellipsoidal D. Conical...

For pipe flows, head is proportional to ______________ at constant capacity (where D = pipe diameter) ?

A. 1/D B. 1/D2 C. 1/D5 D. D2...

Triangular pitch tube layout as compared to square pitch in a shell and tube heat exchanger________________?

A. Permits the use of less tubes in a given shell diameter B. Facilitates comparatively easier external cleaning because of large clearance C. Permits the use of more tubes in a given shell diameter D. Both B. and C....