Engine_2014 : Steam Plants - 508/1951
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| In a huddling chamber safety valve, the initial valve opening is caused by __________ . |
| A) static pressure acting on the compression screw |
| B) steam pressure acting on the increased surface area of the projecting feather |
| C) steam flow passing through the calibrated adjusting ring |
| D) steam pressure acting on the exposed bottom area of the valve disk |
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