MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
AT_A_FOOD_PROCESSING_INDUSTRY,_THE_STEAM_WAS_RE-COMPRESSED_AND_A_SMALL_AMOUNT_OF_STEAM_AT_HIGH_PRESSURES_AND_TEMPERATURES_WAS_SENT_INTO_THE_NEXT_EVAPORATION_CHAMBER_IN_A_MULTIPLE_EFFECT_EVAPORATOR._WHICH_OF_THE_FOLLOWING_IS_TRUE_WITH_RESPECT_TO_THE_ABOVE_SENTENCES??$ |
| A. | There might be wear and tear in the evaporator |
| B. | The overall pressure and temperature of steam increases which is desired |
| C. | The capacity of the evaporator increases |
| D. | All of the mentioned |
| Answer» E. | |
| 2. |
Mixed feed arrangement offers the advantage of omitting the usage of pumps by transferring feed in the direction of low pressure. That’s an advantage taken from forward feeding arrangement?# |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
One disadvantage with backward feeding is that the feed gets very concentrated at the beginning few units itself and hence it’s difficult to feed it to the next evaporator unit.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
Statement 1: In a multiple effect evaporator, the overall temperature drop is equal to the individual drops at each step. |
| A. | |
| B. | True, False |
| C. | True, True |
| Answer» D. | |
| 5. |
Statement 1: Duhring’s rule states that the ratio of temperatures at which two solutions have the same vapor pressure is constant.$ |
| A. | |
| B. | True, False |
| C. | True, True |
| Answer» C. True, True | |
| 6. |
Statement 1: Boiling point rise is due to the colligative properties due to the presence of solid particles in the solvent. |
| A. | |
| B. | True, False |
| C. | True, True |
| Answer» C. True, True | |
| 7. |
Which of the following is true while concentrating jams? |
| A. | They’re sensitive to heat |
| B. | Evaporation process for jams is carried out under vacuum |
| C. | At vacuum, the boiling point decreases |
| D. | All of the mentioned |
| Answer» E. | |
| 8. |
During evaporation of edible solutions, the BPR-boiling point rise should be _____ and the foaming and scale formation should be _____ |
| A. | Low, minimum |
| B. | High, maximum |
| C. | Low, maximum |
| D. | High, minimum |
| Answer» B. High, maximum | |
| 9. |
Statement 1: Evaporation is considered a mass and heat transfer operation. |
| A. | |
| B. | True, False |
| C. | True, True |
| Answer» D. | |