Mungkin nggak ada salahnya kalau kita coba-coba menjawab beberapa pertanyaan yang sering muncul apda saat interview atau paling tidak untuk sekadar menambah wawasan:
- What is the Piping Code for Design of piping systems in Process Piping, Power Piping?
- What is the difference between Pipe and Tube?
- What is NB and OD?
- From which size onwards NB of pipe equal to OD?
- Can you remember what is the OD of the following pipe without looking to the book?
- When do we use Eccentric Reducer and Concentric Reducer?
- Why can’t we use Concentric Reducer at pump suction ? Explain.
- What is the different between Machine Bolt and Stud Bolt?
- When do we need Dampener, Expansion Joint and Mechanical Snubber? and Why?
- Do you know the rule of thumb for piping stress analysis around the pump? Please describe.
- Do you know the rule of thumb for piping stress analysis around compressors, turbine and heat exchanger? Please describe.
- Do you know the rule of thumb for piping stress analysis aroound tower or pressure vessel? Please describe.
- What is Steam Tracing?
- Why Full Bore Pipe is using in connecting pipeline of launcher?
- When checking Piping Stress Sketch, what parameter you normaly need to check?
- What Code you normaly use for checking the Nozzle load on Compressors, Turbine, Heat Exchanger, Pump, Air Cooler?
- What is the ANSI/ASME Code for dimensional Steel Flanges and Fittings?
- Name the Flange Facing.
- Do you know the flange facing called as AARH?
- If you would like to make a branch connection, from which side pipe normaly take the branch connection?
- Control Valve. What kind of support arangement on Control Valve?
- Why do wee need to provide HPV (High Point Vent) and LPD (Low Point Drain) in Piping?
- Do you know about Weldolet, Sockolet? Please Explain.
- What is the normal upstream and downstream straight length of orifice flow meter?
- What is composite flange?
- Do you know about Insulated Joint? Pleas explain.
- What are insulating gasket kits?
- Have you done the analysis of Jacketed Piping? What do you normaly need to consider during analysis?
- What do you need to take into account when performing stress analysis around Tank?
- What is the relation between Brinnell Hardness Number and Rockwell Hardness Number?
- What is the minimum distance between two welds in a pipe?
- During fabrication, you observed that one samll crack has appeared on a fresh plate, what type of measure you will take to obtain desired quality with minimum wastage?
- Describe the different types of destructive and non-destructive tests?
- What is PWHT? Why is it required?
- What is the minimum thickness of pipe that requires stress relieving to be done as per ASME B31.3?
- What is NACE MR-0175 for?
- Hydrotest Pressure. Do you know how to calculate the test Pressure? Please describe.
- Do you know heat exchanger? What fluid in Shell Side and what fluid in Tube Side?
- Do you know Glandless Piston Valves. Where these valves are used?
- Have you done estimation of piping system during proposal? How do you do that?
- Why do we need to do Stress Analysis?
- What are the steps in piping stress analysis?
- Tell me about the type of the stressess during normal operation?
- What do you need to prepare and and then to input into CAESAR II or Autopipe for Stress Analysis?
- What type of loads available in the stresss analysis calculation? Please Explain.
- Do you know about Load Cases in Stress Analysis? Please Explain.
- What is Load Case for Sustained Load, Expansion Load, Stress Range, Occasional Load, Spring?
- What is the failure theory under ASME B31.3?
- Do you know what type of piping failure during its operation?
- What is the desired life cycle for piping during operation?
- How to calculate thermal expansion in a pipe?
- Do you know SIF (Stress Intensification Factor)? Explain and give some examples?
- Pipe Support. What is the pipe support span?
- What is the criteria to determine the span of pipe support?
- How do we decide an anchor point at Expansion Loop on pipe rack?
- What is the steam out condition?
- On Heat Exchanger, where do you provide an anchor support and slotted support? and Why?
- Do you know PTFE on Support? Why we need that?
- Tell me about spring support.Why we need it? And how many type of spring support? Explain as much as you can.
from many sources, including experience
PS: Jawabannya nanti ya..