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






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






3. The common source of energy in food irradiation






4. Pasteurization of herbs and spices






5. Made into an unstable isotope by neutron bombardment






6. 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






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






8. Low frequency & long wave length






9. What kind of rays does Cobalt 60 emit?






10. Gamma rays have high penetration capability






11. Killing insects and eggs






12. What is the half life of Cobalt 60?






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






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






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






16. Sprouting inhibition and






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






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






19. Dose required to kill bacterial spores?






20. 1000 GY






21. Dose required to kill a man






22. High frequency & short wave length






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






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






25. Dose required to kill virus?






26. Dose required to kill yeast and mold?






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






28. What changes take place when energy is applied?






29. 100 RAD






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






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






32. Dose required to kill insects?






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






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