Question 150Steam Plants - 1st Asst/Chief70% to pass
Which of the listed types of safety valves is shown in the illustration? Illustration SG-0018

AI Explanation
The correct answer is A) Huddling chamber type.
The huddling chamber type of safety valve is shown in the illustration SG-0018. This type of valve uses a huddling chamber around the valve seat to create a pressure differential that helps the valve open quickly and fully when the set pressure is reached. This design is commonly used in marine and industrial applications to provide reliable overpressure protection.
The other answer choices, such as pressure-loaded, jet flow, and nozzle reaction types, are different safety valve designs that have distinct operating principles and are not depicted in the given illustration.
Related Questions
#148 Which of the following would indicate a moderate leak in the desuperheater? #149 What is the primary operational difference between a nozzle reaction safety valve and a huddling chamber safety valve? #151 When excessive static boiler pressure has resulted in the initial lift of the valve disc, a huddling chamber safety valve will continue to lift open as a result of _______________.#152 On a boiler safety valve, the blow down adjusting ring is locked in place by a _______________.#153 On a steam vessel with two high pressure boilers, one suspects a superheater leak. How would you determine which boiler may be leaking and what would be the indication(s)?