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| Q. |
What is the function of Blow down valve of a boiler? |
| A. | to remove sludge |
| B. | to build sediments |
| C. | to remove flue gas |
| D. | to remove ash |
| Answer» A. to remove sludge | |
| Explanation: blow down valve is also called as blow-off-cock. the function of this valve | |
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