PIPE Terms probable 1- 50

1. A residential dehumidifier is an application belonging to the ________ category.

domestic air-conditioning

2. The air-conditioning system for cabins on a luxury ocean liner belongs to the ________ category. | | | |

commercial air-conditioning

3. A residential refrigerator is similar in purpose and operation to a commercial ________.

reach-in

4. The condenser of a commercial display case that is located within the unit is called ________

local condenser and integral condenser

5. Which of the following characteristics of early refrigeration systems still applies to today's units?

relatively expensive

6. Mechanical refrigeration systems make it possible to ________

all of the above

7. Which of the following is not a category of refrigeration applications?

transportation air-conditioning

8. Which of the following is not an industrial refrigeration application?

meat display cases

9. Which of the following variables is most often maintained by a commercial air-conditioning unit?

temperature

10. Providing clean, filtered air for trouble free operation of equipment and instrumentation is a function of ________

industrial air-conditioning process

11. ________ is one of the most common applications of mechanical refrigeration.

Preservation of perishable commodities

12. Which of the following is not a disadvantage of the refrigeration method of food preservation?

the vitamin content of the food is maintained

13. Which of the following is not a method of food preservation?

grilling

14. Which of the following is not a plant, animal or fungi?

enzyme

15. Which of the following microorganism is most affected by the movement of air?

mold

16. The reproductive activity of microorganisms is increased by ________

increasing the temperature of the environment

17. Which of the following conditions destroys molds?

all of the above

18. Wrapping and refrigerating food products extends the storage life of ________

meats

19. The approximate storage life of fresh strawberries is ________

none of the above

20. Which of the following is not a form of moisture loss from frozen food products?

spoilage

21. ________ is a method used to reduce the dehydration of sensitive fruits and vegetables during the chilling process

water chilling

22. Which of the following is not a process characteristic controlled in long-term storage chambers?

air purity

23. The freezing method that uses a brine to directly absorb heat from the food product is called ________ freezing

immersion

24. Which of the following is not a step in preparing vegetables for frozen storage?

coating with syrup

25. Which of the following is not a step in preparing fruit for frozen storage? | cleaning | chilling | coating with syrup | blanching

blanching

26. Spiral belt freezing units are typically used for ________ freezing processes. | air blast | immersion | indirect contact | all of the above

air blast

27. Loss of food juices by osmosis is a consequence of the ________ freezing processes. | air blast | immersion | indirect contact | all of the above

immersion

28. Heat transfer that occurs primarily by conduction is used for ________ freezing processes | air blast | immersion | indirect contact | all of the above

immersion

29. A disadvantage of sharp freezing is the ________ | increase in juice losses upon thawing | increase in the size of the ice crystals that form in the food | decrease in quality experienced by the food during freezing | all of the above

all of the above

30. Frozen storage chamber temperature set points are usually ________

-20.5 degree C

31. Which of the following devices should be used to measure a pressure of 90 kPa?

compound gauge