MCQOPTIONS
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				| 1. | 
                                    A device used to heat feed water by utilizing the heat in me exhaust flue gases before leaving through the chimney, is known as | 
                            
| A. | Economizer | 
| B. | Fusible plug | 
| C. | Superheater | 
| D. | Stop valve | 
| Answer» B. Fusible plug | |