Stage efficiency for packed tower varies with the____________________?

Related Mcqs:

______________ closure is the weakest enclosure for cylindrical vessels?

A. Hemispherical B. Torispherical C. Conical or flat plate D. Elliptical...

Wind load consideration in the design of a support can be neglected, when the vessel is___________________?

A. Tall (say 30 metres), but is full of liquid B. Tall but empty C. Short (< 2 m) and housed indoor D. None of these...

The thermal stress in a metallic bar does not depend upon the_____________________?

A. Changes in temperature B. Cross-sectional area C. Both A. and B. D. Neither A. nor B....

Pick out the wrong statement pertaining to the design of a long tube vertical evaporator ?

A. Tube dia is 3-6 cms, while tube length in 3-6 metres B. Steam is fed to the shell, whereas the liquor is filled inside the tube C. Liquor level is maintained at 1/3rd to 1/2 of the height of the tube D. None of these...

To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of_________________?

A. (1.2)3/2 B. (1.2)3/5 C. (1.2)2/3 D. (1.2)5/3...