MCQOPTIONS
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MCQOPTIONS
This section includes 10 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 heat and temperature same? |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
How is electric energy calculated in a unit operation? |
| A. | Energy = power × time |
| B. | Energy= power /time |
| C. | Energy = power + time |
| D. | Energy = (power × tim |
| E. | + pressure |
| Answer» B. Energy= power /time | |
| 3. |
What are the properties to be considered for designing a unit operation equipment? |
| A. | Only Physical properties and mechanical properties |
| B. | Only Chemical properties and mechanical properties |
| C. | Only Physical properties and chemical properties |
| D. | Physical, chemical, mechanical properties |
| Answer» E. | |
| 4. |
What type of energy is enthalpy? |
| A. | Internal potential energy |
| B. | Kinetic energy |
| C. | Dynamic kinetic energy |
| D. | It is not a type of energy |
| Answer» E. | |
| 5. |
Which of the following statements about First law of thermodynamics are correct?Statement 1: The First Law of Thermodynamics is a statement of energy conservation.Statement 2: Energy cannot be created or destroyed it can be converted from one form to another. |
| A. | True, False |
| B. | True, True |
| C. | False, True |
| D. | False, False |
| Answer» C. False, True | |
| 6. |
Which heat energy form is called as hidden energy? |
| A. | Specific heat |
| B. | Latent heat |
| C. | Sensible heat |
| D. | Radiation energy |
| Answer» C. Sensible heat | |
| 7. |
Are these statements about the mass balance true?Statement 1: Total mass of the system will remain the same but the constituent’s parts may change.Statement 2: Chemical and biological changes affect the mass balance of a unit operation. |
| A. | True, False |
| B. | True, True |
| C. | False, True |
| D. | False, False |
| Answer» B. True, True | |
| 8. |
A processing unit is producing a product of 100kg which must contain 15% of fat and this is to be made up from component A with 23% of fat and from component B with 5% of fat. What are the proportions in which these should be mixed? |
| A. | 44.4 kg of component A to 55.6kg of component B |
| B. | 67.87kg of component A to 32.13kg of component B |
| C. | 55.6 kg of component A to 44.4kg of component B |
| D. | 32.13kg of component A to 67.87kg of component B |
| Answer» D. 32.13kg of component A to 67.87kg of component B | |
| 9. |
Which of the following is considered in a continuous process? |
| A. | Mass balance |
| B. | Energy balance |
| C. | Time |
| D. | Mass balance, energy balance and time |
| Answer» E. | |
| 10. |
What type of energy is considered in enthalpy balance? |
| A. | Heat only |
| B. | Heat and mass only |
| C. | Mass only |
| D. | Heat and potential energy only |
| Answer» B. Heat and mass only | |