1719Chemical EngineeringMedium
Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about ________ mm Hg (absolute)?
A350-400
B5-10
C30-80
D150-250
Correct answer
C. 30-80
Explanation
The correct answer is 30-80.
Correct answer
C. 30-80
Explanation
The correct answer is 30-80.
In a counter-current liquid extractor________?
A reaction which is catalysed by a base is catalysed by all substances which have a tendency to________?
In forced convection, the heat transfer depends on ________?
With decrease in porosity, the ________ of the refractories decreases?
A solution having a pH value of 5 is less acidic than the one having a pH value of 2 by a factor of ________?
________ alloys have the highest specific strength of all the structural materials out of the following?