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






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






3. Pasteurization of herbs and spices






4. Dose required to kill a man






5. What is the half life of Cobalt 60?






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. Dose required to kill bacterial spores?






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






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






10. What changes take place when energy is applied?






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






12. Dose required to kill insects?






13. What kind of rays does Cobalt 60 emit?






14. 100 RAD






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






16. Made into an unstable isotope by neutron bombardment






17. Dose required to kill virus?






18. High frequency & short wave length






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






20. Dose required to kill yeast and mold?






21. Gamma rays have high penetration capability






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






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






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






25. Sprouting inhibition and






26. The common source of energy in food irradiation






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






28. 1000 GY






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






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






31. Killing insects and eggs






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






33. Low frequency & long wave length