MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Heat Transfer knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the direction of flow in the down-comer and the tubes? |
| A. | Both downwards |
| B. | Both upwards |
| C. | Downward and upward respectively |
| D. | Upward and downward respectively |
| Answer» D. Upward and downward respectively | |
| 2. |
Which one of the following is not an advantage of short tube evaporators? |
| A. | Evaporator tubes expand the warming surface about 10 to 15 times than a steam jacketed pot |
| B. | Low head space required |
| C. | Corrosive fluids can be used as cleaning is easy |
| D. | Relatively inexpensive to manufacture |
| Answer» D. Relatively inexpensive to manufacture | |
| 3. |
The down-comer are of the short tube evaporator is about _______ of the total surface area. |
| A. | 0-20% |
| B. | 20-35% |
| C. | 40-70% |
| D. | 70-10% |
| Answer» D. 70-10% | |
| 4. |
The heating medium, steam in the case of short tube evaporator, is used in _______ |
| A. | Shell side |
| B. | Tube side |
| C. | Same side as that of the fluid |
| D. | Any preferable side |
| Answer» B. Tube side | |
| 5. |
The central tube in the short tube evaporator known as down-comer has _________ diameter. |
| A. | Larger |
| B. | Smaller |
| C. | Same |
| D. | Very large |
| Answer» B. Smaller | |
| 6. |
The heating medium in the calandria of the short tube evaporator is usually _______ |
| A. | Gas at temperature just above 130℃ |
| B. | Steam |
| C. | Gas at temperature just below 100℃ |
| D. | Gas at very high temperatures |
| Answer» C. Gas at temperature just below 100℃ | |
| 7. |
What is the average tube length of short tube evaporators? |
| A. | 4-10ft |
| B. | 4-10m |
| C. | 1-2ft |
| D. | More than 10m |
| Answer» B. 4-10m | |
| 8. |
Short tube vertical evaporators are also known as __________ |
| A. | Plate type Evaporators |
| B. | Calandria Evaporators |
| C. | Basket evaporators |
| D. | Falling film evaporators |
| Answer» C. Basket evaporators | |
| 9. |
Short tube vertical evaporators are commonly used in sugar industries. |
| A. | True |
| B. | False |
| Answer» B. False | |