MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
Which one of the following pairs has similar working principles? |
| A. | Spray and sparged |
| B. | Sparged and baffled |
| C. | Spray and Baffled |
| D. | Tray and sparged |
| Answer» D. Tray and sparged | |
| 2. |
____________ is an unstable condition in a condenser when the vapour flow is such that the downward flow of condensate is interrupted and held up. |
| A. | Overflowing |
| B. | Flooding |
| C. | Clogging |
| D. | Flogging |
| Answer» C. Clogging | |
| 3. |
The __________ consists of a pipe with holes for injecting bubbles of vapour into a pool of cold liquid. |
| A. | Jet Condenser |
| B. | Sparge pipe condenser |
| C. | Packed Column |
| D. | Baffled Column |
| Answer» C. Packed Column | |
| 4. |
In a jet condenser, the liquid is usually injected in __________ to the vapour. |
| A. | Counter-flow |
| B. | Co-current flow |
| C. | Haphazard flow |
| D. | Oscillating flow |
| Answer» B. Co-current flow | |
| 5. |
Which one of the following condenser matches to this description-‘This condenser uses a jet of coolant liquid forced into a hot vapour stream, usually with the objective of de-superheating the vapour and hence condensing it’? |
| A. | Jet Condenser |
| B. | Tray Column |
| C. | Packed Column |
| D. | Baffled Column |
| Answer» B. Tray Column | |
| 6. |
Which of the following direct contact condenser has the maximum pressure drop as compared to other condensers? |
| A. | Spray Column |
| B. | Tray Column |
| C. | Packed Column |
| D. | Baffled Column |
| Answer» D. Baffled Column | |
| 7. |
A ___________ consists of tightly-packed cold metal rings where heat transfer with vapour stream occurs and the vapour is condensed to its way upward. |
| A. | Spray Column |
| B. | Tray Column |
| C. | Packed Column |
| D. | Baffled Column |
| Answer» D. Baffled Column | |
| 8. |
Which one of the following condenser matches to this description-‘This condenser is similar to the spray condenser, with the only difference that the coolant is directed to flow over a series of trays in a column’? |
| A. | Spray Column |
| B. | Tray |
| C. | Packed |
| D. | Baffled |
| Answer» E. | |
| 9. |
Which one of the following condenser matches to this description-‘The nozzles and vessel are designed to produce a fine spray of liquid to give a large interfacial area for heat transfer and a long enough residence time of liquid droplets in the vessel’? |
| A. | Spray Column |
| B. | Tray |
| C. | Packed |
| D. | Baffled |
| Answer» B. Tray | |
| 10. |
The condenser is one in which the coolant is not brought into contact with the vapour. Which one of the following is one of them? |
| A. | Packed Column |
| B. | Baffled shell and tube Column |
| C. | Jet Condenser |
| D. | Spray Condenser |
| Answer» C. Jet Condenser | |
| 11. |
Which one of the following is not a direct contact condenser? |
| A. | Spray |
| B. | Baffled column |
| C. | Packed column |
| D. | Shell and tube |
| Answer» E. | |
| 12. |
Tubular condensers used in power plant to condense exhaust steam are known as ____________ |
| A. | Surface Condenser |
| B. | Spray Condenser |
| C. | Baffled column |
| D. | Packed column |
| Answer» B. Spray Condenser | |