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Advanced Food Processing

Subjects : industries, engineering
Instructions:
  • Answer 33 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. High frequency & short wave length






2. Which waves vary in frequency and are closer to Radio waves frequencies






3. Determines the affinity of a food system to absorb microwaves






4. Direct Effect- a bullet-like effect with high energy particles impacting the vital parts of the cell






5. Pasteurization of herbs and spices






6. Food treated with ionizing radiation (IR) is said to be






7. Determines the amount of heat generated from the absorbed energy






8. The common source of energy in food irradiation






9. Sprouting inhibition and






10. These rays have no penetration depth hence it will only achieve surface inactivation of microorganisms






11. Dose required to kill bacterial spores?






12. Indirect Effect- ionization of molecules that produces ion pairs (by knocking off an electron) and free radicals (by breaking bonds) result in chemical reactions that interrupt biological functions






13. 100 RAD






14. Gamma rays have high penetration capability






15. The quantity of radiation that results in the absorption of 100 ergs per gram of food






16. Dose required to kill yeast and mold?






17. 1000 GY






18. What kind of rays does Cobalt 60 emit?






19. Made into an unstable isotope by neutron bombardment






20. Determines how far the MWs penetrate into the food and it is affected by the above two parameters plus others






21. Dose required to kill a man






22. What changes take place when energy is applied?






23. Dose required to kill virus?






24. Traditional unit of measuring the amount of energy absorbed by food






25. Low frequency & long wave length






26. Is also used in limited extent in food irradiation.






27. Describes a continuous range of radiation energy having an electric and a magnetic component






28. -the more complex the biological system is the less amount of IR required to induce changes






29. Dose required to kill insects?






30. Killing insects and eggs






31. The food category - the purpose of irradiation - and the dose permitted in KGY






32. What is the half life of Cobalt 60?






33. Utilizing (IR) to achieve biological stability of food by inhibiting or minimizing spoilage reactions