Take this quiz to see how you do on the questions posed to Steam Bowl teams at IDEA'S Distribution Workshop this past February. Answers are below. 1. A boiler operates at 200 psig at mean sea level. What is the absolute pressure ot operation? 2. A gate valve is CLOSED in a 20-inch diameter pipe carrying steam at 200 psig. What is the torce in pounds exerted on the surface of the gate valve? 3. Assume that the coefficient of thermal expansion for a steel pipe in an operating steam distribution system is 3 inches per 100 feet of pipe. When operating, how much growth must be accommodated for 500 feet of pipe? 4. Name three common types of expansion joints.
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