MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Food Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
WHICH_OF_THE_FOLLOWING_IS_TRUE_ABOUT_FERROUS_SULPHATE_DOSIMETER??$ |
| A. | It is the most standard dosimeters. Radiation ionizes water forming H20+. This dissociates into OH- and H+ ion |
| B. | The formation of Fe+++ is the key effect which permits the determination of the radiation dose |
| C. | Determination of ferric ion concentration gives a direct measure of energy absorbed |
| D. | All of the mentioned |
| Answer» E. | |
| 2. |
Which of the following is given by the Herschman Equation?$ |
| A. | Maximum radioactivity which cannot be produced in a foodstuff which has been isotope formed |
| B. | Percentage composition of food in regard to isotope’s parent atom |
| C. | All of the mentioned |
| D. | Neither of the mentioned |
| Answer» C. All of the mentioned | |
| 3. |
Statement_1:_______induce_radioactivity_in_food_items.$ |
| A. | |
| B. | Protons, False |
| C. | Electrons, False |
| Answer» D. | |
| 4. |
What change does ionizing radiation produce in milk casein? |
| A. | Increase in rennet coagulation |
| B. | Reduction of its stability to heat |
| C. | Increase in rennet coagulation & Reduction of its stability to heat |
| D. | Neither of the mentioned |
| Answer» D. Neither of the mentioned | |
| 5. |
Ion pair production by ionizing radiations is more efficient than the thermal process. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Statement 1: When matter is traversed by any of the forms of ionizing radiations, _____ |
| A. | |
| B. | Energy is absorbed, negligible temperature rise |
| C. | Ion pairs are not produced, chemical changes in irradiated materials |
| Answer» B. Energy is absorbed, negligible temperature rise | |
| 7. |
Statement_1:_It_is_safe_to_consume_radiation_stabilized_food_processed_with_gamma_photons_of_less_than_2.3_M_electron_volt. |
| A. | |
| B. | True, False |
| C. | True, True |
| Answer» C. True, True | |
| 8. |
Which of the following is a production control dosimeter? |
| A. | Cobalt glass |
| B. | Colored plastic tapes |
| C. | Ferrous dosimeters |
| D. | All of the mentioned |
| Answer» C. Ferrous dosimeters | |
| 9. |
Which of the following dosimeters are used? |
| A. | Primary standard |
| B. | Operating standard |
| C. | Production control devices |
| D. | All of the mentioned |
| Answer» E. | |
| 10. |
Which of the following reasons is why machine produced ionizing radiations are preferred over fission products? |
| A. | Fission products require extensive shielding and dose supplied may be so high that prolonged exposure times are required |
| B. | Machine produced radiations are unidirectional and can be turned off |
| C. | None of the mentioned |
| D. | Neither of the mentioned |
| Answer» C. None of the mentioned | |
| 11. |
Statement 1: _____ radiation is also called cathode radiation. |
| A. | |
| B. | Alpha, beta |
| C. | Gamma, alpha |
| Answer» D. | |
| 12. |
In which of the following ways does absorption of gamma radiation take place? |
| A. | Photoelectric effect |
| B. | Compton effect |
| C. | Pair production |
| D. | All of the mentioned |
| Answer» E. | |
| 13. |
Which of the following is correct about alpha particles? |
| A. | High ionization due to relative size and carrying of double positive charge |
| B. | Low penetration power |
| C. | In air, they have a range of few centimeters |
| D. | All of the mentioned |
| Answer» E. | |
| 14. |
Which of the following fact about radiation/ irradiation is true? |
| A. | All food items consumed by man are radioactive |
| B. | Alpha and beta particles and gamma photons are the radiations available for food preservation applications |
| C. | Energy lost per ion pair formed is greater than the ionization energy |
| D. | All of the mentioned |
| Answer» E. | |