Engine : Steam Plants - 455/811
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| When installed, the economizer relief valve should always be set __________. |
| A) 50 pounds higher than the drum safety valve plus the water pressure drop through the economizer |
| B) 50 pounds higher than the superheater safety valve plus the water pressure drop through the economizer |
| C) at the same pressure as the superheater safety valve |
| D) at the same pressure as the drum safety valve |
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