MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Cooling range in the cooling tower is the |
| A. | difference in temperature of hot water entering and cold water leaving |
| B. | amount of heat removed by the cooling tower in kcal/her |
| C. | difference in temperature of the cold water and atmospheric temperature |
| D. | difference in temperature of the cold water leaving the cooling tower and the wet bulb temperature of surrounding air |
| Answer» B. amount of heat removed by the cooling tower in kcal/her | |
| 2. |
Approach of a cooling tower is defined as the |
| A. | Difference of dry bulb temperature of surrounding air and temperature of water leaving the cooling tower |
| B. | Difference of temperature of water leaving the cooling tower and wet bulb temperature of surrounding air |
| C. | Difference of temperature of water leaving the cooling tower and temperature of water entering the cooling tower |
| D. | None of these |
| Answer» C. Difference of temperature of water leaving the cooling tower and temperature of water entering the cooling tower | |
| 3. |
In a forced draft cooling tower, the fan is fixed at the: |
| A. | Top of the cooling tower |
| B. | Middle of the cooling tower |
| C. | Bottom of the cooling tower |
| D. | Any location of the cooling tower |
| Answer» D. Any location of the cooling tower | |
| 4. |
Cooling tower is used to: |
| A. | Cooling tower is used to: |
| B. | Cool the hot water coming from the condenser |
| C. | Freeze the water |
| D. | Increase the pressure of water |
| Answer» C. Freeze the water | |
| 5. |
A natural draft cooling tower can be installed - |
| A. | Indoors |
| B. | In open space |
| C. | In space covered by walls all around |
| D. | Anywhere |
| Answer» C. In space covered by walls all around | |
| 6. |
Efficiency of a cooling tower is the ratio of |
| A. | Range to difference of temperature of water entering the cooling tower and temperature of water leaving the cooling tower |
| B. | Approach to difference of temperature of water entering the cooling tower and temperature of water leaving the cooling tower |
| C. | Range to difference of temperature of water entering the cooling tower and wet bulb temperature of air |
| D. | None of the above |
| Answer» D. None of the above | |
| 7. |
If calcium carbonate deposits in pipes, it will - |
| A. | Restrict water flow |
| B. | Reduce inside diameter of pipe |
| C. | Restrict heat exchange |
| D. | All of above |
| Answer» E. | |