MCQOPTIONS
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MCQOPTIONS
This section includes 13 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. |
WHEN_A_CUT_IS_10_MINUTES_AND_THE_CALCULATED_PROCESS_WAS_60_MINUTES_AT_116_DEG_C,_THEN_THE_CORRECTED_PROCESS_TIME_IS______?$ |
| A. | 60 minutes |
| B. | 55 minutes |
| C. | 55.8 minutes |
| D. | 54.2 minutes |
| Answer» D. 54.2 minutes | |
| 2. |
For heat penetration considerations for safe processing schedule, the slowest cooling and the fastest heating curves are used to calculate lethal effect of the process.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Which_of_the_following_factor_does_safe_processing_schedule_depend_upon?$ |
| A. | Heat resistance of spoilage bacteria |
| B. | Heat penetration characteristics of food in containers |
| C. | Heat resistance of spoilage bacteria & Heat penetration characteristics of food in containers |
| D. | Neither of the mentioned |
| Answer» D. Neither of the mentioned | |
| 4. |
Statement 1: Corrosion of cans is more complicated than that of tin and iron alone. Depending on whether the tin forms a complex or not, it acts as the anode or cathode. |
| A. | |
| B. | True, False |
| C. | True, True |
| Answer» C. True, True | |
| 5. |
Statement 1: The swelling of cans takes place due to the release of hydrogen gas. |
| A. | |
| B. | True, False |
| C. | True, True |
| Answer» C. True, True | |
| 6. |
Statement 1: In low and medium acid foods, spore forming organisms are observed. |
| A. | |
| B. | True, False |
| C. | True, True |
| Answer» C. True, True | |
| 7. |
Which of the following is required for calculation of process time by Ball’s method?$ |
| A. | C and z value of thermal death time curve |
| B. | Cold point of the container |
| C. | Number of degrees which exist between the retort temperature and the maximum temperature |
| D. | All of the mentioned |
| Answer» E. | |
| 8. |
With respect to thermal death time curve, D value is the unit defined as the combination of time and temperature to bring about a 90% reduction in spoilage organisms. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
Statement 1: In thermal death time curve, after plotting C/t values from it, C value should be equal to Co value. |
| A. | |
| B. | True, False |
| C. | True, True |
| Answer» C. True, True | |
| 10. |
By plotting the C/t values obtained from a thermal death time curve, a curve is obtained. How is the lethal value obtained from this curve? |
| A. | Area under the curve |
| B. | The center point on the x-axis with respect to beginning and end of curve and then extends to the curve |
| C. | The center point on the x-axis with respect to beginning and end of curve and then extends to the curve |
| D. | None of the mentioned |
| Answer» B. The center point on the x-axis with respect to beginning and end of curve and then extends to the curve | |
| 11. |
For the thermal death time curve, C= minutes to destroy the organism at 121 deg C. Z=slope of thermal death time curve in deg C and T= temperature under consideration and t= time taken to destroy. Which of the following is read from the graphs? |
| A. | C |
| B. | z |
| C. | t/C |
| D. | C/t |
| Answer» D. C/t | |
| 12. |
For the thermal death time curve, C= minutes to destroy the organism at 121 deg C. Z= slope of thermal death time curve in deg C and T= temperature under consideration and t= time taken to destroy. Then, which of the following represents the lethal rate at T? |
| A. | C |
| B. | T |
| C. | t/C |
| D. | C/t |
| Answer» E. | |
| 13. |
The rate of destruction of an organism per minute at any given temperature in a process is the reciprocal of the time in minutes. |
| A. | True |
| B. | False |
| Answer» B. False | |