MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 11 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 one of the following is short tube evaporator? |
| A. | <a href="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-short-tube-vertical-evaporator-q12a.png"><img alt="The following is short tube evaporator - option a" class="alignnone size-full wp-image-248012" height="250" src="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-short-tube-vertical-evaporator-q12a.png" width="192"/></a> |
| B. | <a href="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-short-tube-vertical-evaporator-q12b.png"><img alt="The following is short tube evaporator - option b" class="alignnone size-full wp-image-248013" height="256" src="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-short-tube-vertical-evaporator-q12b.png" width="197"/></a> |
| C. | <a href="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-short-tube-vertical-evaporator-q12c.png"><img alt="The following is short tube evaporator - option c" class="alignnone size-full wp-image-248014" height="224" src="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-short-tube-vertical-evaporator-q12c.png" width="217"/></a> |
| D. | <a href="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-short-tube-vertical-evaporator-q12d.png"><img alt="The following is short tube evaporator - option d" class="alignnone size-full wp-image-248015" height="326" sizes="(max-width: 421px) 100vw, 421px" src="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-short-tube-vertical-evaporator-q12d.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-short-tube-vertical-evaporator-q12d.png 421w, https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-short-tube-vertical-evaporator-q12d-300x232.png 300w" width="421"/></a> |
| Answer» E. | |
| 2. |
Recognize the correct diagram of the flow directions in short tube evaporators. |
| A. | <a href="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-short-tube-vertical-evaporator-q11a.png"><img alt="The correct diagram of the flow directions in short tube evaporators - option a" class="alignnone size-full wp-image-248008" height="259" src="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-short-tube-vertical-evaporator-q11a.png" width="223"/></a> |
| B. | <a href="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-short-tube-vertical-evaporator-q11b.png"><img alt="The correct diagram of the flow directions in short tube evaporators - option b" class="alignnone size-full wp-image-248009" height="253" src="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-short-tube-vertical-evaporator-q11b.png" width="221"/></a> |
| C. | <a href="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-short-tube-vertical-evaporator-q11c.png"><img alt="The correct diagram of the flow directions in short tube evaporators - option c" class="alignnone size-full wp-image-248010" height="257" src="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-short-tube-vertical-evaporator-q11c.png" width="213"/></a> |
| D. | <a href="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-short-tube-vertical-evaporator-q11d.png"><img alt="The correct diagram of the flow directions in short tube evaporators - option d" class="alignnone size-full wp-image-248011" height="254" src="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-short-tube-vertical-evaporator-q11d.png" width="216"/></a> |
| Answer» B. <a href="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-short-tube-vertical-evaporator-q11b.png"><img alt="The correct diagram of the flow directions in short tube evaporators - option b" class="alignnone size-full wp-image-248009" height="253" src="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-short-tube-vertical-evaporator-q11b.png" width="221"/></a> | |
| 3. |
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 | |
| 4. |
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 | |
| 5. |
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% | |
| 6. |
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 | |
| 7. |
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 | |
| 8. |
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 | |
| 9. |
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 | |
| 10. |
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 | |
| 11. |
Short tube vertical evaporators are commonly used in sugar industries. |
| A. | True |
| B. | False |
| Answer» B. False | |