Topic 1 - Drying (Part 3)

Question 1

After the surface water is removed, moisture from inside the material moves to the surface through?

Answer 1

diffusion or capillary action

Question 2

Which drying method is most suitable for fragile, porous materials like aerogels?

Answer 2

supercritical drying

Question 3

Vacuum drying is preferred for?

Answer 3

heat-sensitive materials

Question 4

which can hold more water, warmer air or colder air?

Answer 4

warmer air

Question 5

what does it imply if saturation humidity > absolute humidity?

Answer 5

air is unsaturated

Question 6

what does it mean if saturation humidity = absolute humidity?

Answer 6

air is saturated

Question 7

what does it imply If the percent humidity is 100%

Answer 7

air is saturated

Question 8

what does it imply If the percent humidity is less than 100%

Answer 8

air is unsaturated

Question 9

relationship of EMC to the rate of drying

Answer 9

inversely proportional

Question 10

what would be the value of FMC if at EMC?

Answer 10

FMC = 0

Question 11

what is the value of EMC?

Answer 11

EMC > 0