MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Heat Transfer Operations knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which evaporator uses the maximum number of pumps for its operation? |
| A. | Forward feed |
| B. | Backward feed |
| C. | Parallel feed |
| D. | Mixed feed |
| Answer» C. Parallel feed | |
| 2. |
For mass balance in the forward pass evaporator, select the correct option. |
| A. | F = E<sub>3</sub> + P<sub>3</sub> |
| B. | F = E<sub>1</sub> + E<sub>2</sub> + E<sub>3</sub> + P<sub>3</sub> |
| C. | F = P<sub>1</sub> + P<sub>2</sub> + P<sub>3</sub> |
| D. | F = E<sub>1</sub> + E<sub>2</sub> + E<sub>3</sub> + P<sub>1</sub> + P<sub>2</sub> + P<sub>3</sub> |
| Answer» C. F = P<sub>1</sub> + P<sub>2</sub> + P<sub>3</sub> | |
| 3. |
The product concentration in a backward feed evaporator _________ as we move to successive evaporators. |
| A. | Increases |
| B. | Decreases |
| C. | Remains same |
| D. | Is different for each |
| Answer» C. Remains same | |
| 4. |
The product concentration in a forward feed evaporator _________ as we move to successive evaporators. |
| A. | Increases |
| B. | Decreases |
| C. | Remains same |
| D. | Is different for each |
| Answer» B. Decreases | |
| 5. |
Why do we use more than one type of feeding in an evaporator? |
| A. | To increase the feed efficiency |
| B. | To increase the efficiency of the steam used |
| C. | To decrease the steam consumption per unit mass of feed |
| D. | To increase the steam consumption per unit mass of feed |
| Answer» D. To increase the steam consumption per unit mass of feed | |
| 6. |
Parallel feed is almost the same as forward feed in an evaporator. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
Which one of the following is not a type of feeding in an evaporator? |
| A. | Forward feed |
| B. | Backward feed |
| C. | Convoluted feed |
| D. | Mixed feed |
| Answer» D. Mixed feed | |
| 8. |
What do we mean by types of feeding in an evaporator? |
| A. | Total number of different types of feed available |
| B. | Types of steam temperature applied |
| C. | Types of recycle feed applied |
| D. | Types of product extracted |
| Answer» D. Types of product extracted | |