MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Thermal Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following statements regarding cooling towers is FALSE? |
| A. | Concrete towers have longer life than timber tower |
| B. | Timber towers have high maintenance charges |
| C. | Duct-type cooling towers have small capacity |
| D. | Cooling towers are used to cool down the water being supplied to the boiler of the power plant |
| Answer» E. | |
| 2. |
Which of the following statements about duct type cooling towers is TRUE? |
| A. | They are widely used in modern power plants |
| B. | Their water handling capacity is small |
| C. | On continued exposure to wind, water and sun, they rot |
| D. | They have short life |
| Answer» C. On continued exposure to wind, water and sun, they rot | |
| 3. |
Which of the following statements about concrete towers is FALSE? |
| A. | Concrete towers have large capacity (of the order 5 x 10<sup>3</sup> m<sup>3</sup>/h) |
| B. | Longer life than timber towers |
| C. | Concrete towers have good stability under air pressure |
| D. | Concrete towers require frequent maintenance |
| Answer» E. | |
| 4. |
Which of the following statements about timber towers is False? |
| A. | Timber towers have longer life than concrete and steel duct type towers |
| B. | Timber towers have high maintenance charges |
| C. | Timber towers have limited cooling capacity |
| D. | Timber towers are rarely used |
| Answer» B. Timber towers have high maintenance charges | |
| 5. |
Based on the material, with which the towers are made, cooling towers are classified into _____ |
| A. | Timber towers, Concrete towers and Alloy duct type |
| B. | Induced and forced draught type |
| C. | Induced and natural draught type |
| D. | Timber towers, Concrete towers and Steel duct type |
| Answer» E. | |
| 6. |
The cooling of water is affected by degree of uniformity in descending water. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
Humidity of air affects the cooling of water in a cooling tower. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Which of the following phenomenon is used to cool water in a cooling tower? |
| A. | Evaporation |
| B. | Radiation |
| C. | Condensation |
| D. | Conduction |
| Answer» B. Radiation | |
| 9. |
What is the function of a cooling tower in a power plant? |
| A. | It cools the hot water coming back from the condenser |
| B. | It cools the hot water being supplied to the condenser |
| C. | It heats the cold water coming back from the condenser |
| D. | It heats the cold water being supplied to the condenser |
| Answer» B. It cools the hot water being supplied to the condenser | |