In the illustration shown, the operating piston "H" in the valve has a larger surface area than the main valve disc to allow __________. See illustration GS-0044.
A
control action to be accomplished with a relatively small amount of high pressure steam
B
control action to be accomplished by a relatively small amount of downstream low pressure steam
C
complete closing of the main valve when pressure adjustments are made
D
free movement of the auxiliary valve "B" during a change in operating pressure
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Question 1 / 205eccefa5bacbc34ba4d487bf
Question 1 of 205eccefa5bacbc34ba4d487bf
In the illustration shown, the operating piston "H" in the valve has a larger surface area than the main valve disc to allow __________. See illustration GS-0044.
In the illustration shown, the operating piston "H" in the valve has a larger surface area than the main valve disc to allow __________. See illustration GS-0044.