Are you looking for a bright career in Qc Welding Inspector? Then we have provided all the necessary things like Qc Welding Inspector Interview Question and Answers on our site page, not only the Question and Answers we have also provided the various job roles in Qc Welding. In order to clear the Qc Welding Inspector interview in the first attempt, one must prepare well on all the topics. There are numerous leading companies that offer jobs in various roles Inspection Engineer, QA QC Engineer, QC welding inspector, along with these there are many other roles too. For any other details on Qc Welding Inspector related topics and also for various leading Qc Welding Inspector job positions visit our site Wisdomjobs QC Welding Inspector page.
Question 1. What Are The Main Duties Of The Piping Inspector?
Answer :
Question 2. How Many Types Of Gaskets Do You Know?
Answer :
Question 3. What Are The Different Types Of Mating Flanges? Name The 4 Most Common?
Answer :
Flat face
Raised face
RTJ (Ring type Joint)
Tongue & groove
Male & female
Question 4. What Type Of Information Do You Get From Isometric Drawings?
Answer :
Question 5. What Type Of Codes And Standards Do You Use As A Piping Inspector?
Answer :
Question 6. What Are The Types Of Valves?
Answer :
Based on function:-
Question 7. What Are The Main Things You Will Check Before Bolt Torquing?
Answer :
Question 8. Write 3 Saudi Aramco Piping Standards (l-series)?
Answer :
Answer :
Line compliance with Isometrics:
Question 10. Weep Hole Size Shall Be Drilled For Dummy Pipe Support Will Be ________mm?
Answer :
Weep hole shall be located near base plate for all vertical dummy pipe support & near run pipe at 6’O clock position for horizontal dummy.(SAES-L-350 13.2.3 & L-310 14.7.2)
Question 11. What Is Dead Leg And Explain?
Answer :
Dead Legs: Piping sections that are potential for internal corrosion due to flow stagnation.
Question 12. Write Any 2 Types Of Piping Supports?
Answer :
Question 13. What Type Of Connection Is Acceptable For A 24” Header, 12” Branch?
Answer :
Weldolet or welded branch with reinforcement pad as per JERES-L-110 app: A.
Question 14. How Many Minimum Pressure Gauges To Be Installed During Hydro Test?
Answer :
Two (JERES-A-004, Para 7.1.5)
Answer :
Process industry practices.
Question 16. Name The Different Types Of Service Conditions?
Answer :
NFS:- Normal services, Category M, Category D, High pressure fluid services (ASME-B31.3).
Answer :
Question 18. How Do You Identify Fittings And Flanges?
Answer :
Question 19. How Do You Check Piping For The Correct Schedule?
Answer :
Verify pipe material thickness by Vernier at the end or UT on surface or stenciling done by the manufacturer (visual) or heat number, traceability by MTC of product.
Question 20. What Is The Standard Mill Tolerance For Piping 2’’ & Less?
Answer :
12% of nominal wall thickness.
Question 21. What Is The Tolerance For Ovality Of Piping?
Answer :
5% of nominal diameter at any cross section other than weld end & 3% at weld end (JERES-L-350 Para 9.2).
Question 22. What Is The Difference Between Torquing Cs And Ss Bolting?
Answer :
CS:- Yield strength High; Torque value High.
SS:- Yield strength low; Torque value low.
Question 23. What Are Jackscrews And When Are They Required?
Answer :
Used in flange joint assemblies which often require frequent separation includes orifice plate, spectacle plates, spacers, screens, and drop out spools shall be provided with jack screw to facility separation and opening for the maintenance. When flange separations are used, jackscrews are not required. Jackscrews shall be installed to be accessible from both sides of the pipe. For orifice flanges, jack screws shall be installed at 3 & 9 o’ clock positions.(JERES-L-310 Para 17.7).
Question 24. What Is Often Overlooked During Orifice Flange Fabrication?
Answer :
Orifice flanges in adjacent lines shal be staggered so that no two pairs of orifice flanges are less than 1 m (3ft) apart.
Question 25. What Is The Maximum Diameter Piping Allowed In Hazardous Service?
Answer :
Socket weld: - 2” for maintenance & minor modification & 1-½” for new construction.
Threaded:- 1-½” for standard fitting & valve, and 2” maximum when required for maintenance, minor field minor modification of existing piping system(JERES-L-110 Para 7.2).
Question 26. Can Teflon Tape Be Used Prior To Seal Welding?
Answer :
No, (JERES-L-110 Para 8.5).
Question 27. How Many Threads Can Be Visible After Seal Welding Threaded Joints?
Answer :
No, should cover all exposed threads (JEREZ-W-011 Para 12.15.3).
Question 28. What Is The Gap Requirement For Socket Welds For New Construction?
Answer :
1.5mm-3mm (ASME B31.3 fig 328.5.2C).
Answer :
Question 30. When You Will Apply 24 Hours Recorded Hydro Test?
Answer :
If for justifiable safety reasons the UG line must be backfilled, then the joints shall remain exposed during testing, otherwise the test shall be a 24 hour recorded test.(JERES-L-150 Para 7.4.2).
Question 31. Difference Between Carbon Steel And Stainless Steel?
Answer :
CS:- Low cost, no chromium content, suitable for non-corrosive service upto 350 degree C, max carbon 0.3%.
SS:- Contains more than 12% Cr, 0.08% C, Suitable for corrosive, cryogenic, High temp services, costly.
Question 32. Difference Between Rt & Ut?
Answer :
RT:- Uses X-ray or Gamma ray to detect discontinuities, reveals mostly volumetric. Planar defects & subsurface defects not detectable easily.
UT:- Uses ultrasonic beam to detect discontinuities reveals both planar & volumetric defects, but size & exact location of defects are not easily identifiable. Possible only on materials that do not refract AT waves.
Question 33. Difference Between Pt & Mt?
Answer :
MT:- Only Applicable for ferromagnetic materials & able to detect both surface & sub surface discontinuities, compare to PT examination it takes less time for testing & inspection; Applicable for large temp range.
PT:- Applicable for both ferromagnetic & non ferromagnetic materials & able t detect only surface discontinuities, It requires more time; Applicable for small temp range.
Question 34. How Do You Control Material In Fabrication Shop?
Answer :
Question 35. Write Inspection Items During Valve Installation?
Answer :
QC Welding Inspector Related Practice Tests |
|
---|---|
Architecture & Construction Practice Tests | Welding Technology Practice Tests |
Mechanical Engineering Practice Tests | FAA Construction Practice Tests |
All rights reserved © 2020 Wisdom IT Services India Pvt. Ltd
Wisdomjobs.com is one of the best job search sites in India.