Chemical Engineering — Test 60

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Question 1

With increase in temperature, the rate of leaching increases, because the___________________?

Question 2

Bound moisture is that liquid which exerts an equilibrium vapor pressure ________________ that of the pure liquid at the given temperature ?

Question 3

The reflux to a distillation column is 100 moles/hr, when the overhead product rate is 50 moles/hr. The reflux ratio is____________________?

Question 4

Which of the following is not a batch drier ?

Question 5

Acetic acid will be most economically separated from a dilute solution of acetic acid in water by____________________?

Question 6

The main reason for dividing a tall packed tower into series of small towers is to________________________?

Question 7

The most efficient cooling tower out of the following is_____________________?

Question 8

Molecular distillation is_____________________?

Question 9

The value of NA/(NA + NB) for steady state molecular diffusion of gas ‘A’ through nondiffusing gas ‘B’ is____________________?

Question 10

All moisture in a non-hygroscopic material is the ________________ moisture?