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In the illustrated huddling-chamber safety valve, what statement is true concerning the opening and closing forces acting upon the disc? Illustration SG-0018
A) The spring force acting upward on the disc is a valve opening force, and the sensed pressure acting downward on the disc is a valve closing force.
B) The spring force acting upward on the disc is a valve closing force, and the sensed pressure acting downward on the disc is a valve opening force.
C) The spring force acting downward on the disc is a valve opening force, and the sensed pressure acting upward on the disc is a valve closing force.
D) The spring force acting downward on the disc is a valve closing force, and the sensed pressure acting upward on the disc is a valve opening force.
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Illustration SG-0018

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miltonwilliams - 2024-10-15 17:39:19
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The spring force acting downward on the disc is a valve closing force, and the sensed pressure acting upward on the disc is a valve opening force.
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