PIPING INTERVIEW Question & Answers PART # 02

1. How can flanges be classified based on pressure-temperature rating? 2. How can flanges be classified based on facing? 3. How can flanges be classified based on face finish? 4. Where the smooth finish flange & serrated finish flange finds its use? 5. How the pipe fitting is classified based on end connections? 6. Up to what temperature the carbon steel materials shall be used? 7. Which material is used for a temperature above 426° C? 8. Which type of material is used for corrosive fluid? 9. What are the different types of welding? 10. Which type of piping materials are used for drinking water and instrument air?