Food Engineering Mock Test 5

10%

Question 1 of 10

1. Statement 1: Incrustation may lead to under deposit-corrosion.
Statement 2: Scrapers can be used as an agitated medium to avoid incrustation.

True, True

False, True

True, False

False, False

Question 1 of 10

Question 2 of 10

2. Excess nucleation leads to _____

None of the mentioned

Non-uniform CSD

Non-uniform CSD, in huge capacity vessels, the crystal-crystal attrition leads to formation of small size particles hence no crystallization

In huge capacity vessels, the crystal-crystal attrition leads to formation of small size particles hence no crystallization

Question 2 of 10

Question 3 of 10

3. When q=(Heat required to convert one mole of feed to saturated vapor)/(Molar heat of vaporization of feed)
Statement 1: q<1 means the liquid is sub-cooled.
Statement 2: q<0 means the liquid is super heated vapor.

False, False

True, True

True, False

False, True

Question 3 of 10

Question 4 of 10

4. Statement 1: Continuous Rotary vacuum filter press has a high labor cost.
Statement 2: Continuous Rotary vacuum filter press has a high clogging.

True, False

False, False

False, True

True, True

Question 4 of 10

Question 5 of 10

5. Statement 1: Partition coefficient pertains to solid-liquid extraction.
Statement 2: Leaching involves both heat and mass transfer.

False, True

True, False

False, False

True, True

Question 5 of 10

Question 6 of 10

6. What does excess supersaturating followed by cooling lead to?

Both, nucleation and crystal growth in general

None of the mentioned

Primary nucleation

Secondary nucleation

Question 6 of 10

Question 7 of 10

7. Statement 1: Distillation is not used very widely in the food industry.
Statement 2: Steam distillation can be done when the volatile component is not miscible in water.

True, True

True, False

False, True

False, False

Question 7 of 10

Question 8 of 10

8. If the aperture size of the filtration medium is too small, it causes high pressure drops.

False

True

Question 8 of 10

Question 9 of 10

9. Which of the following is NOT an important criteria for crystal formation?

Shape

None of the mentioned

Moisture content

Caking characteristics of the crystal

Question 9 of 10

Question 10 of 10

10. To increase the solubility of carbon-di-oxide in coke, it is subjected to high pressure.

True

False

Question 10 of 10