Test your basic knowledge |

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. Gamma rays have high penetration capability






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






3. Dose required to kill a man






4. The common source of energy in food irradiation






5. 100 RAD






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






7. Sprouting inhibition and






8. Pasteurization of herbs and spices






9. What is the half life of Cobalt 60?






10. Dose required to kill virus?






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






12. What kind of rays does Cobalt 60 emit?






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






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






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






16. Killing insects and eggs






17. Dose required to kill insects?






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






19. Dose required to kill yeast and mold?






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






21. What changes take place when energy is applied?






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






23. High frequency & short wave length






24. Made into an unstable isotope by neutron bombardment






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






26. 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






27. Low frequency & long wave length






28. 1000 GY






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






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






31. Dose required to kill bacterial spores?






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






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