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 exchanger and condenser are same? |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
___________ results from a chemical reaction involving the heat exchanger surface material. |
| A. | Biological Fouling |
| B. | Chemical Fouling |
| C. | Corrosion Fouling |
| D. | Freezing Fouling |
| Answer» D. Freezing Fouling | |
| 3. |
Which is the common fouling mechanism seen when untreated water is used as the coolant? |
| A. | Biological Fouling |
| B. | Chemical Fouling |
| C. | Corrosion Fouling |
| D. | Freezing Fouling |
| Answer» B. Chemical Fouling | |
| 4. |
The deposition of any undesired material on heat transfer surfaces is called _____________ |
| A. | fouling |
| B. | debris |
| C. | scaling |
| D. | rubble |
| Answer» B. debris | |
| 5. |
Which of the following statements about two-phase heat exchangers are correct?Statement 1: Two-phase heat exchangers undergo phase change during the heat transfer process.Statement 2: It is used mainly in water-to-water heat transfer applications. |
| A. | True, False |
| B. | True, True |
| C. | False, True |
| D. | False, False |
| Answer» B. True, True | |
| 6. |
What are main advantages of continuous heat exchanger over batch heat exchanger? |
| A. | Efficiency and cost |
| B. | Quantity and cost |
| C. | Efficiency and quality |
| D. | Efficiency and quantity |
| Answer» E. | |
| 7. |
Are these statements about the regenerative heat exchangerstrue?Statement 1: Regenerators are commonly used in gas/gas heat recovery applications.Statement 2: Regenerative heat exchangers are also known as capacitive heat exchangers. |
| A. | True, False |
| B. | True, True |
| C. | False, True |
| D. | False, False |
| Answer» C. False, True | |
| 8. |
What are the factors to be considered for designing a heat exchanger? |
| A. | Thermal analysis |
| B. | Hydraulic calculations |
| C. | Pressure calculations |
| D. | Thermal analysis and hydraulic calculations |
| Answer» E. | |
| 9. |
Who invented the heat exchanger? |
| A. | Dr Richard Seligman |
| B. | George Babcock |
| C. | George Brayton |
| D. | Benjamin Franklin |
| Answer» B. George Babcock | |
| 10. |
What is heat economizing? |
| A. | The total cost of the heat exchanger and its maintenance cost |
| B. | Interchange heat among the hot and cold fluids to conserve heat energy. |
| C. | The capital cost of the heat exchanger unit |
| D. | Amount of heat produced per day |
| Answer» C. The capital cost of the heat exchanger unit | |