API 570 핵심 요약 3-6

해외 검사원 자격시험 자료 공유합니다

 

먼저 영어 공부를 선행하시고 시험 준비하기를 권장드립니다 본인은 일전에 드릴쉽승선해서 검사한 경험있는데 영어가들리지 않아 곤란한경험이 여러번있었습니다

일단 해외자격시험은 국내 자격보다 어렵지 않습니다 다만 영어로 시험이 진행된다는 점이 어려울뿐입니다

 

API 시험을 치고나서 느낌은?

시험코드는 반듯이 정독해보시고 시험 치세요 대분분의 문제가 해당코드에서 출제 됩니다 그리고 공부방법은 기출문제를 풀어보고 그문제가 어디에서 나오는지 알아야 한다는 것입니다 그것은 추가코드를 공부할때도 마찬가지 입니다 문제를 풀때 앞의 목차를 보면서 어디에서 나올것 같은지 한번씩 생각해 보시기를 추천 드립니다    

 

아직 공유안한 자료들 많이 있습니다 혹시 필요하신분들 댓글 달아주세요 (510,570, 653, ASNT L3, CWI 등...기타 각종 코드 필요하신분들 )

 

 

국내 최저가 화상영어 추천(한달 5만원 20회  20분)

국내 최저가 화상영어 (한달 5만원 20회 20분)

 

1. CUI is more likely on insulated pipings exposed to water/mist/moisture and in the range of 25º to 250ºF.

 

2. Erosion is caused due to impacts of solid particles in liquids/gases or liquid particles in gases. It is more serious if corrosion is also present.

 

3. Fatigue failure is caused due to cyclic stress or stress reversals (vibrations, thermal changes).

 

4. Creep failure is dependent on time, temperature and stress.

 

5. The two important inspections carried out periodically on piping are:

   a. Thickness measurement inspection, and

   b. External visual inspection

 

6. Thickness measurements are usually carried out by:

   a. Ultrasonic thickness measurements for pipes larger than NPS 1

   b.Profile radiography for pipes NPS 1 and smaller

 

7. External visual shall include checklist form Appendix D which involves checking for leaks, misalignments, vibrations pipe support conditions, external corrosion, condition of insulation/coating/painting.

 

8. TMLS shall be selected representing suspect areas and shall include elbows, tees, injection points and S/A interface.

9. In API 570, pipes are classified as follows:

 

   Class 1: Services with highest potential of resulting in emergency if the leak occurs. 

             i.e  The flammable fluids which readily vaporise on leakage.

   Class 2: Those pipes which are not included in Classes 1 and 3

   Class 3: Services that do not significantly vaporize and not located in high activity area.

10. Inspection Intervals:

    a. Thickness measurements: Lower of half the remaining life or

      1) 5 years for Class 1

      2) 10 years for Classes 2 and 3

      3) 3 years for injection points

 

   b.    External visual:

      1) 5 years for Classes 1 and 2

      2) 10 years for Class 3

      3) Injection points and S/A interface — by class

11. CUI inspection shall be done by NDE or insulation removal on the following areas:

 

Class	Areas with Damaged Insulation	Suspect Areas Within Susceptible Temperature
1	75 %	50 %
2	50 %	33 %
3	25 %	10 %

 

12. Pipes systems having remaining life more than 10 years and are adequately protected, need not be included for inspection of  suspect area as above.

 

13. Inspection of SBP:

   a. SBP in Process Piping

      ● As per other process piping

   b. SBP in Secondary Piping

      1) For Class 1: Same as other Class 1

      2) For Classes 2 and 3: Inspection is optional,

      ● however deadlegs shall be inspected