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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 theĀ  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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