Test 1 - Fall 2019

Question 1

Distillation is possible only if the solution components are

Answer 1

volatile

Question 2

If the vapor pressure of the two components in a binary mixture is same, then it is a

Answer 2

none of the above

Question 3

The use of vapor produced from the rebioler is

Answer 3

to strip out more volatile component from liquid

Question 4

The reflux of liquid produced from the condenser is

Answer 4

to strip out less volatile component from the vapor

Question 5

The light key components are

Answer 5

more volatile

Question 6

The heavy key components are

Answer 6

less volatile

Question 7

If the feed enters the distillation column at its dew point, then the slope of the feed line is

Answer 7

0

Question 8

If the feed enters the distillation column at its BP, the the slope of the feed line is

Answer 8

infinity

Question 9

At total reflux

Answer 9

distillate is 0

Question 10

the point where the operating line and the equilibrium line meets in distillation methods is known as

Answer 10

Pinch point

Question 11

Gililand Correlation is arranged to estimate the

Answer 11

of stages

Question 12

Once components are identified, in a multicomponent distillation they are called

Answer 12

Key Components

Question 13

Raising the column pressure results in

Answer 13

lower relative volatility

Question 14

At minimum reflux, the number of stages is

Answer 14

infinite