MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Food Processing Unit Operations knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Is mixing not considered as a unit operation? |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Preliminary unit operation in any food industry includes __________ |
| A. | cleaning, sorting |
| B. | cleaning, drying |
| C. | grading, drying |
| D. | sorting, drying |
| Answer» B. cleaning, drying | |
| 3. |
In an evaporator, the heat lost by heating water must be equal to the _____________ |
| A. | sum of heat gained by the product and heat lost from the evaporator to its surroundings |
| B. | sum of heat lost from the evaporator to its surroundings in each step |
| C. | heat gained by the product |
| D. | overall heat lost from the evaporator |
| Answer» B. sum of heat lost from the evaporator to its surroundings in each step | |
| 4. |
Which of the following statements about unit operation performance are correct?Statement 1: Performance of unit operation depends on material handling.Statement 2: Optimization of time and movement of material from one unit operation to other is achieved by proper material handling techniques. |
| A. | True, False |
| B. | True, True |
| C. | False, True |
| D. | False, False |
| Answer» C. False, True | |
| 5. |
Are these statements about the contact equilibrium processes true?Statement 1: Gas absorption, crystallization comes under the category of contact equilibrium processes.Statement 2: Contact equilibrium processes does not depend on the concentration gradient. |
| A. | True, False |
| B. | True, True |
| C. | False, True |
| D. | False, False |
| Answer» B. True, True | |
| 6. |
Unit operation is based on ______________ |
| A. | law of conservation of mass only |
| B. | law of conservation of energy only |
| C. | law of conservation of mass and energy |
| D. | third law of thermodynamics only |
| Answer» D. third law of thermodynamics only | |
| 7. |
Which of the following are the unit operations? |
| A. | Distillation, evaporation, centrifugation |
| B. | Distillation, membrane separation, sampling |
| C. | Membrane separation, centrifugation, sampling |
| D. | Evaporation, centrifugation, sampling |
| Answer» B. Distillation, membrane separation, sampling | |
| 8. |
The basic operations done in the food process engineering are called as __________ |
| A. | unit operations |
| B. | processing |
| C. | process management |
| D. | unit process |
| Answer» B. processing | |