Piping Stress Job Interview questions for you: Part 1

The following list will provide few interview questions asked in different interview for a Piping Stress Engineer post. Hope you will be able to find the answers from ASME B 31.3 and any piping stress text books or from piping hand book. In case you could not find out a specific answer reply in comments section. This is the part one of the collection. Keep checking the website regularly for other parts.

1) How to make critical line list or flexibility log? How will you decide critical line list with help of ASME B31.3?

2) How to decide Stress critical systems for analysis using Caesar II?

3) Which lines can be eliminated from formal Stress analysis?

4) Can you make a typical Sketch & supporting for column piping? How to decide how many load bearing clip supports to be used?

5) Draw a typical Sketch & supporting arrangement for tank farm piping? How tank Piping analysis is different from normal pressure vessel connected piping system analysis?

6) What is SIF? Formulas for In plane, outplane sif for elbow (B31.3)?

7) Value of sif, flexibility factor for Bend?

8) What are the necessary documents required for stress analysis?

9) Why a Spring hanger is used? Can you write the formula for spring HL, CL & variability?

10) What are the different types of supports used in piping systems?

11) What do you know about Expansion joints and thier types? When these come into picture?

12) What are the normal types of load cases? Write the load cases for a typical stress system using static method of seimic and wind?

13) What is slug flow? What parameters are required to calculate Slug force?

14) What are the dynamic restraints? What is snubber and when do you use a snubber?

15) What is the minimum swing allowed in top mounted hanger? What will you do if that amount exceeds in a typical piping system?

16) What is cold pull and why it is used?

17) What is difference between Variable Hanger and Constant Hanger? What is the variability of Constant Spring hanger?

18) What are the inputs required for stress analysis? What do you check in Caesar analysis of a piping system?

19) What do you mean by the term “liberal stress”?

20) What is hot-cold philosophy for pump? Have you heard the term Pump alignment?