Piping Isometrie symbols
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ARAMCO CBT QUESTION WITH ANSWER & WELDING QC INSPECTOR
41)If Mechanical damage occurred on base metals what will be your course of
action?
If any Mechanical damage found on the base metal, conduct the thickness
measurement and Magnetic Particle Test or Penetrant Test to be conducted, if
it is within tolerance accept it otherwise submit the report to higher authority for
further action.
42)You have observed in the specimen certain defects, why do you consider it as
important and do the report of it, state two planar defects? What are causes for
the occurrence of it and how will you avoid it?
Defects: Is a rejectable one i.e., a discontinuity which exceeds the code limits is
defects. Depending up on the conditions and severity it has to be repaired.
The two planar defects are i) Lack of side wall fusion ii) Undercut.
i) Lack of side wall fusion: Contaminated surface may due to oil, grease, and
rust etc., and too narrow gap, current very low and improper manipulation of
electrodes.
Prevention: Bevel ends sh
API 510 Exam question paper with answer key
QA/QC Saudi Arabia CBT Exam Questions Answer
1) What is the package number and explain? Package one stands for Distillation & Hydro treating unit. Different units are 91/92- High Pressure Hydro Desulphurization 101/102- Low Pressure Hydro Desulphurization 111/112-Naphtha Hydrotreater Unit 151/152- Distillation and Hydro treating Hydrogen Unit 155- Off Gas PSA Unit 150-Hydrogen storage unit 011/012- Crude Distillation Unit/ Vacuum Distillation Unit 2) What are the duties & responsibilities of a welding inspector? Perform material inspection. Perform consumable inspection. Application of inspection gauges, instruments and tools. Check equipment and accessories. Witness procedure qualification test. Witness welder qualification test. Perform visual inspection. Review / witness NDT Witness mechanical test. Monitor heat treatment Observe production and fabrication welding. Interpret and assure compliance to Code / Standard / Specification. Review technical drawing. Witnes
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