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Advanced Food Processing

Subjects : industries, engineering
Instructions:
  • Answer 33 questions in 30 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. The common source of energy in food irradiation






2. Low frequency & long wave length






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






4. Sprouting inhibition and






5. What is the half life of Cobalt 60?






6. What changes take place when energy is applied?






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






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






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






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






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






12. Dose required to kill virus?






13. 1000 GY






14. Dose required to kill a man






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






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






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






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






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






20. Dose required to kill yeast and mold?






21. High frequency & short wave length






22. 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






23. Pasteurization of herbs and spices






24. Made into an unstable isotope by neutron bombardment






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






26. 100 RAD






27. Killing insects and eggs






28. Dose required to kill bacterial spores?






29. Gamma rays have high penetration capability






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






31. What kind of rays does Cobalt 60 emit?






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






33. Dose required to kill insects?






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