Engine : Steam Plants - 442/811
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| When excessive static boiler pressure has resulted in the initial lift of the valve disc, a huddling chamber safety valve will continue to lift open as a result of ___________, |
| A) steam pressure acting on the enlarged area of projecting lip or ring |
| B) the resulting reactive force created by the rapid expansion of escaping steam |
| C) an increase in steam velocity through an adjustable orifice ring |
| D) steam pressure transmitted through a pipe connected to the superheater outlet |
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