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 downward on the disc is a valve closing force, and the sensed pressure acting upward on the disc is a valve opening force.
B
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.
C
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.
D
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.
Question 1 / 2066636eee28f7522a1c51eb88
Question 1 of 2066636eee28f7522a1c51eb88
In the illustrated huddling-chamber safety valve, what statement is true concerning the opening and closing forces acting upon the disc? Illustration SG-0018
In the illustrated huddling-chamber safety valve, what statement is true concerning the opening and closing forces acting upon the disc? Illustration SG-0018