965Chemical EngineeringMedium
Danckwerts developed the ________ theory?
ANone of these
BPenetration
CSurface renewal
DFilm
Correct answer
C. Surface renewal
Explanation
The correct answer is Surface renewal.
Correct answer
C. Surface renewal
Explanation
The correct answer is Surface renewal.
Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis?
At a fixed pressure, the humidity depends upon the partial pressure of vapor in the mixture. Humidity of a vapour free gas is ________ percent.?
Hydraulic intensifier is used for increasing the ________?
Cross linked polymers formed from bi-and trifunctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer ________ properties?
Which of the following is used as a catalyst in fluidised bed catalytic cracking?
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________?