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Food Processing Unit Operations Practice Test: Heat Transfer Applications
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Heat Transfer Applications topics include: Continuous flow heat exchangers, batch and plate heat exchangers, food thermal properties, thermal processing, pasteurization, sterilization, refrigeration, chilling and freezing. Heat transfer methods are used in many fields, including: Automotive engineering Thermal management of electronic devices and systems Climate control Insulation Materials processing Chemical engineering Power station engineering  Here are some applications of heat transfer: Food industry: Heat transfer is important in the design of equipment and the quality of the... Show more
Food Processing Unit Operations Practice Test: Heat Transfer Applications
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25 Questions

1. Are these statements about the pasteurization true?
Statement 1: Pasteurization kills the spores of bacteria.
Statement 2: Raw milk may contain pathogens.
2. The specific heat of a material can be determined by ______________
3. The effect of ______on the system is seen only as a phase change like the melting of ice.
4. Thermal energy is transported through the molecules due to _______and _______
5. Are these statements about the pasteurization true?
Statement 1: Calcium absorption is changed with pasteurization.
Statement 2: Niacin is totally lost during pasteurization.
6. The deposition of any undesired material on heat transfer surfaces is called _____________
7. The corrugation of V shape embossed on the plates is termed as _______________
8. ________ is the time taken to kill a specific bacterium at a specific temperature.
9. Which describes the level of microbial destruction obtained by thermal treatment?
10. ______ is the better way of stating thermal death time.
11. Vat Pasteurization is also known as ___________
12. Air conditioner evaporator coil uses _______ in the heat exchanger.
13. Is heat exchanger and condenser are same?
14. _________ is defined as the time taken at a given temperature to eliminate at least 90% of the exposed microorganisms.
15. _____________ consists of a single tube mounted inside another tube.
16. What is heat economizing?
17. Does sterilization kill viruses?
18. Which is the common fouling mechanism seen when untreated water is used as the coolant?
19. Pasteurization processes are fully effective in destroying __________
20. ______ is the ability of a material to transmit a thermal disturbance.
21. What is the ideal chilled water temperature?
22. _______ is the quickest way to sterilize solutions without heating.
23. Where should a sterilization indicator placed in an autoclave?
24. In ________, pressure is applied in between the plates.
25. ________ relates the resistance of an organism to differing temperatures.