API 570 - Piping Inspector Test Practice 2026 Guide, Exams of Engineering

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API 570 - Piping Inspector Test Practice 2026 Guide

a | API 570 - Piping Inspector Test Practice 2026 Guide Section 1 - Scope 1-Which of the following activities is NOT included in the scope of APT 570? - CORRECT ANSWER - Operating a pipe system 2-Which of the following activities is NOT included in the scope of API 570? - @ORRECIANSWERI- Performing pipe fabrication 3-API 570 pertains to: - GORRECTANSWER-Only to metallic and FRP pipe 4-API 570 pertains only to: - CORRECT ANSWER Pipe and their associated relief devices 5-The inspector discovers a problem on a pipe that requires corrective action. Who is responsible to respond to this issue? - GORRECTANSWER Owner/User G-APT 570 is used: - CORRECT ANSWER -By petro-chemical facilities 7-API 570 takes effect: - CORRECT ANSWER -Once the pipe is places in service 8-Companies that use API 570 must: - GORRECTENGWER Fither employ or have access to an authorized inspection agency bua ee ee ee ee eee ee ee ee ee eee eee eee Ds ce eee ee ee es “1 I I I I I I I I I I I I I I I I I I I I I I I I al 9-During a piping repair, if there is a conflict between the requirements of API 570 and the construction code, which should be followed? - G@ORREGIANSWERIAPI 570 10-Duringa piping alteration, if there is a conflict between the requirements of API 570 and the construction code, which should be followed? - SORRESTANSWER-APT 570 11-An in-service pipe in being repaired or altered. If there is a conflict between the requirements of API 570 and the legal jurisdiction, which should be followed? - G@RREGINANSWER!- The most stringent requirements 12-An in-service piping system is inspected. If there is a conflict between the requirements of APT 570 and the legal jurisdiction, which should be followed? - CORRECT ANSWER ~The most stringent requirements 13-The requirements of APT 570 are considered optional for which of the following piping systems? - 14-The requirements of API 570 are considered optional for which of the following piping systems? - GORREGTANSWER Category D piping 15.Which of the following chemical plant piping is NOT included in the scope of API 570? - GORREGE ANSWER -4 NPS low-density polyethylene pipe 16-Which code is used for Fitness for Service evaluations? - CORRECT ANSWER -API 579 17-Which code is used for RBI evaluations? - CORRECT ANSWER -API 580 Section 2 r I I I I I I I I I I I I I I I I I I I I I I I I L “1 I I I I I I I I I I I I I I I I I I I I I I I I al 4-Which of the following is considered an API 570 Authorized Inspection Agency? - CORRECT ANSWER - The inspection organization of the jurisdiction 5-A CML is CORRECT ANSWER-A point or plane through the pipe G-A critical check valve is one that: - GORRECTANSWER Could cause a hazardous event (like Boom!) if it fails 7-A defect is defined as: - SORRIBCIMANSNVERL A discontinuicy chat exceeds the applicable code’s criteria 8-What is maximum diameter of an examination point on an 8 NPS line? - CORRECT ANSWER 2" 9-What is maximum diameter of an examination point on a 12 NPS line? - CORRECT ANSWER -3" 10-An imperfection is: - GORRECTANGWER Defined asa flaw 11-An indication is: - CORRECT ANSWER-A response from an NDE examine 12-An injection point does NOT include: - GORRECTANSWER!P rocess mix points 13-What is an integrity operating envelope? - SORRECIANSWER Key process limits thar are set because of a potential degradation mechanism 14-What is management of change? - GORRECTANSWERL Term used to describe a documented system to review process changes r I I I I I I I I I I I I I I I I I I I I I I I I L “1 I I I I I I I I I I I I I I I I I I I I I I I I al 15-What is a mixing point? - CORRECT ANSWER -A piping component that combines two process streams of differing composition 16-OfFsite piping is: - GORRECTENSWER Piping ina plant that us not in a process unit 17-A piping circuit: - CORRECT ANSWER-Is piping of similar metallurgy that is exposed to same process envoirment 18-The purpose of PMT is to determine: - CORRECT ANSWER -That piping components are specified materials 19-Pressure design thickness: - CORRECTANGWER) Considers only design pressure and design pressure and design temperature - CORRECT ANSWER ~The work necessary to restore a piping system to a 20-A piping repair is defined 2 suitable safe condition 21-A propane 4 NPS line has experience damage by CUI. About 150 ft will be replaced during the next turnaround. Which of the following is true? - CORRECT ANSWER -This work is considered a repair 22-Which of the following inspection oranizations is NOT considered an acceptable API 570 Repair Organization? - GORRECIANSWVER)-The governing jurisdiction based on the location of the piping system 23-Which of the following is NOT considered a piping rerate? - GORRECHANSWER Increased the fluid viscosity 24-Secondary process piping is defined as pipe that is: - GORRECTANGWER! Downstream of normally closed block valves r I I I I I I I I I I I I I I I I I I I I I I I I L “1 I I I I I I I I I I I I I I I I I I I I I I I I al 8-A MOC system should be used to review and control changes to: GORRECTANSWER Eicher the process or the hardware 9-When repairs and alterations are being conducted, which individual or organization is responsible for Quality Control? GORREGTANSWER Repair Organization 10-Which of the following is NOT a role for the API 570 inspector: Owner assurance that all welding meet requirements CORRECHANSWER, Prove ts 11-During in-service piping repairs, all examination results must be accepted by the: Authorized inspector 12-Which do the following is a role for the API 570 inspector? - GORRECTANSWER Evaluace and accept NDE results 13-Who is responsible to maintain the certification records for NDE examiners: Examiner's employer 14-When unusual operating conditions occur on a piping system, e.g. upset conditions, operations personnel should inform: - SQRREGIIANSWERE Eicher the inspector or engineer Section 5 1-All in-service piping in the petrochemical industry must: - CORRECT ANSWER -Have an inspection plan 2-The inspection plan doe a piping system should be developed by: - CORRECTANSWER! Lither the inspector or the engineer r I I I I I I I I I I I I I I I I I I I I I I I I L a | 3-When developing a piping system's inspection plan, who should identify specific damage mechanisms and their Locations? Corrosion specialist 4-Whose input is required when developing an inspection plan that operates at an elevated temperature? - GORREGWANSIER Corrosion spcai 5-A corriosion specialist shouldbe consulted when developing inspection plans for piping that operates above: - CORRECTANSWERY 750 cegrees F bua ee ee ee ee eee ee ee ee ee eee eee eee 6-Which of the following is NOT required in a piping systems's Inspection plan? Name of individual that will perform the inspection 7-All RBI assessments must be conducted in accordance with: - CORRECT ANSWER -API 580 8-In the RBI process, what are the two primary factors used to determine risk? - CORRECT ANSWER - Probablitily and consequences of Failure 9-Who authorizes the use of RBI assessments to set inspection intervals? - CORRECT ANSWER - Owner/User 10-During a risk assessment, which of the following factors does NOT increase the probability of failure? - (GORREGHANSWER, Vline of les 11-During a risk assessment, which of the following factors most factors most affects the consequence of CORRECT ANSWER -Lype and amount of process fluid failure? 12-Which of the following is NOT a significant factor in an RBI assessment of a piping system? - Ds ce eee ee ee es “1 I I I I I I I I I I I I I I I I I I I I I I I I al 22-UT thickness measurements may be performed by the: - GORRECTANSWER! Authorized inspector or the examiner 23-Which is NOT a primary function of the External inspections? - GORRECTANGWER Check process conditions 24-Who is responsible to perform the exteznal inspection on a piping system? - SORRECHANTS WER - Authorized inspector or qualified others 25-During the external inspection, the inspector should always: - CORRECT ANSWER. Record for any unrecorded temporary repairs 26-During the external inspection, the inspector should look for components that have been replaced with the incorrect metallurgy. Which of the following components are most susceptible to being replaced with the wrong metallurgy: GORRECTANSWER! Treaded components 27-What NDE technique can be used to find hot spots on refractory lined piping? - CORRECT ANSWER. Themography 28-When designating an injection point circuit, the recommended upstream limit of the injection point CORRECT ANSWER -12 inches or 3 pipe diameters, whichever is greater circuit is a minimum of: 29-When designated an injection point circuit, the recommended downstream limit of the injection point CORRECT ANSWER -The lesser of the 2nd change in the direction of 25 feet past the Ist change in direction circuit isa minimum of: 30-Which of the following is NOT necessary applicable when selecting CML locations within injection point circuits that are subject to localized corrosion? - CORRECT ANSWER. Establish a UT grid with reading point spacing less than or equal to 2" apart r I I I I I I I I I I I I I I I I I I I I I I I I L a | Ds ce eee ee ee es 31-During scheduled inspections of injection points, more extensive inspection should be applied to area beginning 12 inches upstream of the injection nozzle and continuing: - CORRECT ANSWER -At least 10 pipe diameters downstream of the injection point 32-The number of CMLs ona piping system are being substantially reduced? Who should be consulted? - GORREGIANSWER Person knowledgeable in corrosion 33-In which of the following piping systems can the number of CMLs be eliminated or significantly reduced? - GORRECTANSWERE Olefins cold side piping 34-CMLs should be marked and recorded on: - GORREGINAINSWERI-On both the drawings and actual piping system 35-Which of the following types of corrosion mechanisms usually creates uniform corrosion? - CORRECT ANSWER Sulfidacion 36-More CML's should be selected for piping system with: - GORRECTANSWER Higher expected corrosion rates 37-Fewer CML's could be eliminated from piping systems only when: - GORRECTANSWER Long straight piping runs 38-CML's can be eliminated from piping systems only when: - CORRICTANSWER Lither the probability or consequence of failure is extremely low 39-Profile radiography is preferred when taking thickness measuring on piping less that or equal to: - CORRECHANSIVER! 1 ?s bua ee ee ee ee eee ee ee ee ee eee eee eee a | 49-A hydrotest is performed on an existing piping system following a major repair. The pipe wall is 1/2” thick. What is the minimum allowed metal cemperacure during the test? - GORRECIANSWER!-10 degrees F above the vessel's MDMT 50- A hydrotest is performed on a n existing piping system following a major repair. The pipe wall is 2-1/2" thick, What is the minimum allowed metal temperature during the test? - CORRECT ANSWER -D. 30 degrees F above the vessel's MDMT 51- During a pressure test, some of the system's valves will be used to isolate during the test. Caution should be used not to exceed the permissible seat pressure described in: - CORRECT ANSWER -A. ASME B16,34 52- A hudrotest is being conducted on a piping system. The relief device is not removed or blinded. What other option can be used to keep the relief device from popping? - CORRECT ANSWER -B. place test clamps on the relief device 53- A material verification program should be consistent with which code? - CORRECT ANSWER -A, API 578 54- Per API 570, during repairs and alterations, the inspector shall verify chat the new materials being used are correct. What is the minimum amount of verification that che inspector shall perfrom? AINSRVEREE. a sampling of all alloys used co maintain pressure contaiment 55- PMI testing shall be performed by: - CORRECT ANSWER-A, an authorized inspector or examiner 56- A piping elbow fails on a 9% chrome piping system. It is determined that that failed elbow was really just 2-1/4% chrome that was accidently installled. Further verification of the other existing materials is probably needed. Who determines the how much additional verification is needed? - GORRECHANSWERIA. authorized inspector bua ee ee ee ee eee ee ee ee ee eee eee eee Ds ce eee ee ee es a | 57- Who determines the need for establishing a PMI program at a petrochemical facility? ANSWER -D. owner/ user 58- In a pipe circuit, normally thickness measurements are not taken on which of the following components? - GORREGHANSWER.D. valves 59- A piping system has experienced high rates of corrosion in turbulent areas. The inspector decides to check the gate valve in the line for corrosion. The most likely place for accelerated corrosion is ANSWER -C. between the seats 60- Control calves bodies, particularly in high-pressure drop services, are most susceptible to what type of CORRECT ANSWER -B. localized corrosion/erosion degradation mechanism? 61- Critical check valves should be inspected with a(n): - GORRECIANSWVERB. internal visual exam 62- Ifa crack like indication is detected while the piping system is in operation, further inspection to determine the magnitude of the imperfection may be accomplished with which of the following NDE CORRECT ANSWER -B. weld quality radiography techniques 63- Environmental cracking is discovered in profile RT of a piping system. Who should evaluate whether this piping component is fit for continued service? - SORRECIVANSWER! specialist . either an engineer or corrosion 64- During an in-service inspection of a piping circuit profile RT was used to check the wall thickness. On a RT an area of preferential corrosion is discovered in the weld. This discontinuity F, must be evaluated by an inspector 65- In which of the following situations ate industry-qualified UT shear wave examiners not required? - CORRECT ANSWER -C. perform external UT to size cracks that go through the wall bua ee ee ee ee eee ee ee ee ee eee eee eee Ds ce eee ee ee es “1 I I I I I I I I I I I I I I I I I I I I I I I I al 8- Who is responsible to maintain a record of piping classification for plant's process fluids? - SORRECH ANSWER -C. owner/ user 9- Process services with the highest potential of resulting in an immediate emergency if a leak were to occur are classified as: - GORRDCTANSWERA. class 1 10- Which service is not a class | piping system? - GORREGIAINSIWEREC. process with less than 3% hydrogen sulfide 11- Flammable services with an atmospheric boiling point lower than what temperature are considered class 1 services? - CORRECT ANSWER -C. 50 degrees F 12- Process streams with hydrogen sulfide are considered Class | if the H2S content is greater than: - CORREGHNSWERLD. 3.0 % 13- Which service is a class 2 piping system? - SORRECTIANSWERLD. on-site sulfuric acid 14- Off-site hydrogen is considered a: - CORRECT ANSWER -B. class 2 piping system 15- Process services that are flammable and vaporize slowly during a release are considered: - CORRECT AINSIVEREB. class 2 piping 16- On-site process services that are flammable but do not significantly vaporize during a release, such as those that operate below the flash point, are considered: - GORREGTANGIVERELC. class 3 piping 17- An on-site piping system was classified by B31.3 as category D, What are the API 570 classification for this piping? - SORRECINANSWER!D. class 4 piping r I I I I I I I I I I I I I I I I I I I I I I I I L a | Ds ce eee ee ee es 18- Off-site gasoline is considered a: - CORRECT ANSWER -C. class 3 piping system 19- Off-site caustic is considered a: - GORREGTANSWERI-C. class 3 piping system 20- Which of the following is not a major factor in setting an inspection interval on a piping system? - CORRECT ANSWER -A. construction code used to build the pipe 21- Who is responsible to set the inspection intervals for piping systems? - CORRECT ANSWER -D. owner! user or the authorized piping inspector 22- Inspection intervals should be reviewed: - CORRECT ANSWER -C. every 5 years 23- In which of the following situations does the thickness inspection interval for a pipe system not need to be reviewed? - CORRECT ANSWER -B. process pressure decreased to 100 psig 24- external inspection intervals on piping can be established by using a valid RBI assessment conducted in accontance with - SORREGIANSIERLD. API S80 25- Which of the following is not a factor that may affect the likelihood of CUI on an exhisting piping system? - CORRECT ANSWER -C. process fluids 26- CUI is found at a damaged insulation area. What should be done? CORRECT ANSWER... inspect additional areas of this piping system 27- When thickness measurements are conducted, each thickness measurement set should include: - CORRECT ANSWER -A. a representative number of CMLs bua ee ee ee ee eee ee ee ee ee eee eee eee “1 I I I I I I I I I I I I I I I I I I I I I I I I al 38- What is the maximum interval for the external inspection of a class 2 piping system: ANSWER-B. 5 years 39- What is the maximum interval for thickness measurements on a class 2 piping system? - CORRECT ANSWER T. Lesser of 1/2 life or 10 years 40- What is the maximum interval for the external inspection of a class 3 piping system? CORRECT ANSWER-C. 10 years 41- What is the maximum interval for thickness measurements on a class 3 piping system? - CORRECT ANSWER-E. lesser of 1/2 life or 10 years. 42- What is the maximim interval for thickness measurements on a class 4 piping syster ANSWER-E. lesser of 1/2 life or 10 years 43- What is the maximum interval for external measurements on a class 4 piping system? - CORRECT ANSWER-E. inspection is optional 44- What is the maximum interval for thickness measurement requirements on a class 2 injection point 45- What is the maximum interval for the external inspection of a class 2 injection point circuit? - CORRECTANSWER. 1.5 ys *46- A class 4 piping system has some damaged insulation. How many of the damaged areas should be inspected? - CORRECT ANSWER . inspection is optional *47- A class 1 piping system has some damaged insulation. How many of the damaged areas should be inspected? - GORREGIANSWER!-. 75% r I I I I I I I I I I I I I I I I I I I I I I I I L “1 I I I I I I I I I I I I I I I I I I I I I I I I al *48- A class 3 piping system has some damaged insulation. How many of the damaged areas should be inspected? - CORRECT ANSWER -A, 25% *49- A class 1 piping system is being inspected for CUI. How many of the suspect areas should be inspected? - SORREGHANSWER.D. 51 *50- A class 3 piping system is being inspected for CUI. How many of the suspect areas should be inspected? - CORREGHANSWVERL . 10% *51- What is the recommended extent of CUI inspection at suspect locations on class 2 piping systems? - CORRECT ANSWER. $7 52- Which of the following is not a requirement for the organization that repairs relief devices? - SORRECT ANSWER -A. maintain a contract with a 3rd party inspection company 53- Per API 570, a relief device repair organization must: - GORRECIANSIVER)-B. have a fully documented quality control system and training program 54- Who is allowed by API 570 co set the interval for relief device that protect piping systems? - SORRECL ANSWERLD. cither an authorized inspector or the engineer or qualified others interval of 5 years 55- The maximum inspection interval for a pressure relief device in normal service is: HINSRVERE-C. based on acceptable performance of the device with a ms 56- The maximum inspection interval for a pressire relief device in clean, non-corrosive and non-fouling CORRECT ANSWER. ). based on acceptable performance of the device with a max. interval of service is: 10 years. r I I I I I I I I I I I I I I I I I I I I I I I I L