Question 9Steam Plants - QMED

The correct answer is B. The blow down adjustment on the illustrated huddling chamber type safety valve is associated with item B. This is based on the information provided in the diagram and the typical design of this type of safety valve. The blow down adjustment is used to set the pressure at which the valve will close after the set pressure has been reached, and this adjustment is typically associated with the component labeled B in the diagram. The other answer choices are incorrect because they do not correspond to the component responsible for the blow down adjustment on this type of safety valve.