PTEC 113 Module 4

PTEC_113 Module_4 Exercises.doc Name Date PTEC-113 Equipment Lesson 4 Exercises 1. What does the code stamp on the vessel indicate? 2. What type of materials is a spherical tank designed to hold? 3. What type of materials is a floating roof tank designed to hold? 4. How does increased temperature affect the performance of metals? 5. Why are brass tubes used instead of carbon steel in many heat exchangers that use water as the cooling medium? 6. What is corrosion and how is it manifested? 7. What is the normal operating temperature range for vessels constructed of low carbon steel? What happens when the temperature is above or below this temperature range? 8. Describe three methods that operators can use to inspect vessels. 1