API 570 EXAM June 1, 2011

These questions were on the exam verbatim

Closed Book

1) What is the normal temperature range specified by API-570 where an insulated carbon steel piping system is susceptible to corrosion under insulation?A) Between 25°F and 150°FB) Between 25°F and 250°FC) Between 150°F and 250°FD) Between 150°F and 400°F

2) At the conclusion of a pressure test, it is most important that the:A) Testing equipment has been removed and properly storedB) Piping is drained and dryC) Piping system is properly aligned for operationD) Pressure relief devices have been restored to operational condition

3) New connections on existing piping shall always be:A) Considered alterationsB) Located downstream from any control valvesC) Designed per the applicable codeD) Examined fully (100%) by radiography

4) When inaccessibility prevents placing the image quality indicator (IQI) manually on the source of a weld being radiographed, what identification is placed on the radiograph to indicate that a film-side IQI was used?A) “IQI”B) “B”C) “F”D) “FSP”

5) The owner of a newly installed piping system does not have any data on piping systems in the same or similar service. After the system has been put into service, the initial thickness measurements shall be made:A) At the recommended maximum inspection interval in Table 1 of API-570B) After no more than three months of serviceC) After no more than one year of serviceD) After no more than five years of service, regardless of the class of circuit

6) What test is used to determine material notch toughness?A) Impact test

B) Bend testC) Tensile testD) Elongation test

7) During radiographic examination of a weld, the wire IQI shall be placed:A) Adjacent to the weld so that the length of the wire is perpendicular to the weldB) Adjacent to the weld so that the length of the wire is parallel to the weldC) On the weld so that the length of the wire in perpendicular to the weldD) On the weld so that the length of the wire is parallel to the weld

8) A welding procedure specification and its supporting procedure qualification record are used to determine which of the following?A) The welder’s ability to deposit sound weld metalB) The welder’s mechanical ability when operating welding equipmentC) The welder’s ability to produce welds that are radiographed free of defectsD) That the weldment will have the required properties for the intended application

9) Which of the following is not a “re-rate” requirements of API-570?A) Re-rating when there is a change in the process fluidB) Validating that the pressure relief devices are set at the appropriate pressureC) Updating of appropriate engineering recordsD) Acceptance of the re-rate by the inspector of the piping engineer

10) Filler metals are assigned F number:A) To permit indiscriminate substitution to suit productionB) To reduce the number of welding procedures and performance qualificationC) To increase the number of filler metal types that the welder can useD) To allow for welders to qualify for more than one employer at a time

11) Fewer TMLs may be selected for which of the following piping system?A) Painted pipingB) Piping that is complex in terms of fitting, branches, deadlegs, and injectionC) Insulated pipingD) Long, straight run piping

12) When a replacement piping system has a structural support that was inadequately designed for a hydrostatic test, an acceptable alternative is to perform a:A) Sensitive leak testB) Vacuum (negative pressure) testC) Pneumatic testD) 100% volumetric examination of all welds

12) A flush patch used to repair a Class 1 piping system must meet all but which of the following conditions?A) Welds must be 100% tested by radiography or ultrasonicB) The patch must have rounded cornersC) The patch yield strength must be less than 40,000psiD) Full penetration groove weld is required

13) When may a welder be qualified by a production weld in stead of a coupon?A) When six inches of the welders first production weld passes the specified radiographic

examinationB) When a coupon is removed from one of the welder’s production welds and passes

mechanical testingC) When the welder has welded on a plate steel within the past twelve monthsD) Never; welders may not qualify by this method

14) An eight foot deep trench is dug to expose a section of buried pipe on which UT measurements are to be taken. Which of the following must be completed prior to performing the examination?A) Remove all loose paint and scale on the entire run of exposed pipingB) Ensure the sides of trench are properly shoredC) Confirm soil resistivity within ten feet of the examinationD) Verify the operating pressure, temperature, and service.

15) If the metal thickness of a component being measured is under 1/8 inch, then it:A) Cannot be accurately measurementB) Can contribute to reduced accuracy of digital ultrasonic measurementsC) Can contribute to reduced accuracy of profile radiography measurementsD) Should only be measured using eddy-current techniques

16) Which of the following steps should be taken when inspecting a buried pipe contained in a casing pipe that requires excavation?A) Verify that water and/or soil has not entered the casingB) Excavate around the casing, and verify the thickness of the casingC) Remove the casing for inspection of the pressure carrying pipingD) No inspection is required because the casing provides sufficient protection

17) Piping systems lacking cathodic protection and suspected of having external corrosion conditions should be excavated to what extent?A) Exposure enough to assess whether the corrosion is localized or extendedB) Uncover 25 feet beyond the suspected area of corrosionC) Fully uncover 100% of piping length and widthD) Expose a ten inch long section of the top half diameter of the piping

18) Which inspection method is most appropriate for detecting external chloride stress corrosion cracking in austenitic stainless steel piping systems?A) Dry magnetic particleB) Liquid penetrateC) Longitudinal ultrasonicD) Radiography

19) Internal visual inspection of piping is:A) Always done using a remote visual techniqueB) The only reason for conducting inspections during outagesC) An important part of piping inspection D) Not normally performed

20) During visual inspection of concrete-to-air and/or asphalt-to-air interface of buried piping, that is not catholically protected, what should the inspector look for?A) Galvanic corrosionB) Internal corrosionC) Caulking or seal deteriorationD) Buldged pipe wall at the interface

21) What is the recommended maximum inspection interval for injection point thickness measurements?A) Three years or half the remaining life, whichever is lessB) Five years or half the remaining life, whichever is lessC) Determined by classD) Ten years or half the remaining life, whichever is less

22) Piping inspection records that provide design information and drawing shall be updated before which of the following?A) Repairing a portion of the system due to corrosionB) Re-rating the systemC) Completion of a system hydrostatic testD) Thickness measurements are taken on the system

23) Why are vertical supports, constructed of pipe components, checked to determine if they are filled with water?A) Water inside may cause internal corrosion of the supportB) Water inside may cause internal corrosion of the process pipeC) Water inside may cause external corrosion of the supportD) Water inside may cause additional stress to be places on the support

24) Undercut can best be described as which of the following?A) Lack of fusion under the cap that appears as a “cut” on a radiographB) Groove in the base metal as the toe of the weldC) Weld root is not completely filledD) Incomplete bonding between the filler metal and parent metal under the weld

25) Surface condition of buried piping paths should be visually surveyed at approximately what intervals?A) Six monthsB) AnnuallyC) Two yearsD) Three years

26) During an inspection, you find that the pipe shoes have moved off the main supports and are hanging on the beams preventing the line returning to its cold position. What would be the most appropriate action for you to take?A) Request the piping engineer to evaluate pipe stressesB) Recommended replacement with longer shoesC) Specify supports designed to allow more movementD) Recommended anchors and stops in the support system

27) The lower soil resistivity, on buried piping, the:A) Less the need for cathodic protectionB) Greater the inspection intervalsC) Lower the potential for soil moisture retentionD) Higher the external corrosion rate

28) Re-rating is being performed to lower the minimum design temperature. Which of the following is required?A) Calculate the test pressure using the allowable stress ratiosB) Perform brinell hardness tests on representative samplesC) Verify system components meet code minimum temperature requirementsD) Review inspection records to ensure the system is adequately supported

29) Which of the following materials require hydrostatic testing with potable water or steam condensate?A) 300 series stainless steelB) MonelC) 5Cr-1/2MoD) Carbon steel

30) A piping system carrying flammable petroleum process can be considered a Class 3 system if it contains which of the following?A) Anhydrous hydrogen chlorideB) Finished product being pumped at a remote booster stationC) On-site naphtha with no hydrogen sulfideD) Waste gas used to fuel an on-site heater

31) What wall thickness is used to recalculate MAWP for continued use of a piping system?A) Actual thickness minus four times the corrosion loss experienced since the previous

inspectionB) Actual thickness minus two times the estimated corrosion loss before the next inspectionC) Actual thickness minus the estimated corrosion loss before the next inspectionD) Actual thickness

32) The number of TMLs required on high temperature low velocity hydrocarbon lines, containing sulfur corrosives, are often fewer than on other corrosive system because the sulfur lines:A) Exhibit very uniform corrosion independent of location in the systemB) Are not considered to be a potential environmental riskC) Corrode at such as fast rate that they are considered consumable and are replaced on

predetermined time schedulesD) Are constructed of high-alloy materials that are unlikely to erode

33) An imperfection of a type or magnitude exceeding the acceptance criteria is known as which of the following?A) DiscontinuityB) Flaw C) DefectD) Indication

34) What should external visual inspection of aboveground piping always include?A) Bellows expansion joints and pipe hangersB) Checking for fugitive emissionsC) Thickness measurements at all inspection pointsD) Stripping insulation for CUI inspection

35) Repair organization welders and welding operators must be qualified in accordance with which of the following?A) ASME B31.3 onlyB) ASME B31.3 or the WPS to which the piping was builtC) The current applicable code onlyD) ASME B31.1 or ASME B31.3

36) Temporary repairs should be replaced at the next maintenance opportunity; they may remain in service for longer periods provided:A) It is approved and documented by a piping engineerB) It is approved by the owner/userC) It is approved by the inspector and piping engineerD) It is approved by an API-570 inspector

37) Who is responsible for maintaining the records of welding procedures and welder qualifications used during a repair?A) Repair organizationB) Owner/operatorC) InspectorD) Testing laboratory

38) What is the cause for rejection of the “B” image on a film due to excessive back-scatter?A) Any imageB) No imageC) A light imageD) A dark image

39) Who must approve all proposed methods of design, execution, materials, welding, examination, and testing for piping repairs and alterations?A) Piping inspectorB) Piping inspector or piping engineerC) Owner/userD) Construction contractor

40) Computer based systems are useful for storing data relating to which of the following?A) Repair proceduresB) Evaluation and selection of welding procedures

C) Calculations of short-term and long-term corrosion ratesD) Evaluation of all types of corrosion

41) Thickness measurement readings on a piping system indicate that the corrosion rate has increased. The inspector’s most appropriate response is to:A) Recalculate the inspection interval of the systemB) Recalulate the piping circuit average corrosion rateC) Schedule the next inspection in six monthsD) Report the change in condition to maintenance

42) Environmental cracking noted during an in-seri=vice examiniation of welds should be assessed by the:A) Piping engineerB) Nondestructive examinerC) Piping inspectorD) Verified welding inspector

43) Which of the following is an essential variable for shielded metal arc welding (SMAW) welind procedure specification (WPS)?A) Welding techniqueB) Groove designC) F-numberD) American Welding Society class for filler number

44) Which of the following is not required on a B-16.5 flange or flange fitting?A) Pressure classB) Temperature rangeC) Material specificationD) Manufacturers name on marking

45) Pipe fabrication welding may not be performed if the weld area is:A) Frosted or wetB) Below 32°FC) Above 120°FD) In an inert atmosphere

46) The most common form of corrosion under insulation on carbon steel piping is:A) Galvanic corrosionB) General CorrosionC) Stress corrosion crackingD) Localized corrosion

47) Deadlegs in a piping system should be:A) Inspected at the same time interval as the rest of the piping systemB) Eliminated whenever possible C) inspected every three yearsD) inspected at an interval that is half of the rest of the piping system

48) At low enough flue gas temperature, the sulfur dioxide, sulfur trioxide, and hydrogen chloride will condense to form sulfurous acid, sulfuric acid, hydrochloric acid which can lead to:A) CrackingB) GroovingC) Severe corrosionD) Brittle fracture

49) When a pipe inspector notices deformation of a pressure vessel wall in the vicinity of a pipe attachment, the most appropriate action listed below is to:A) Take no action; vessels are not the responsibility of the piping inspectorB) Recommended an immediate shutdown of the unitC) Check for piping misalignmentD) Calculate the allowable deformation according to ASME Section VIII, Div. 1

50) Location markers which are to appear as radiographic images on the film shall always be placed:A) On the exposure holder/cassetteB) On the radiographic filmC) Between the film and the part being radiographedD) On the part being radiographed

51) To which of the following fluid services does API 570 specifically apply?A) Category D fluid services as defined in ASME B31.3B) Raw, intermediate and unfinished petroleum products

C) Hydrocarbons and utility streamsD) Steam and steam condensate

52) A rerate is being performed to lower the minimum design temperature on a piping system. Which of the following is required?A) Verify that system piping materials meet code minimum temperature requirements.B) Calculate the test pressure using the ratio of allowable stresses.C) Review the inspection records to ensure that the piping system is adequately supported.D) Perform Brinell hardness test on representatives samples.

53) In pipe caps, corroded areas evidenced by local thinning:A) May be ignored in small-bore piping.B) May be ignored if they make up less than 10% of the total area.C) May be evaluated in accordance with principles outlines in API RP 579D) Are considered insignificant if they do not decrease cap thickness by more than half the

original thickness

54) Fasteners and other components attached by threads or bolted to a piping system should receive special attention during visual inspection, since they have a greater potential for:A) Chloride stress corrosion crackingB) Replacement with improper componentsC) Brittle fracture of bolting materialD) Carbonization

55) A carbon-steel piping circuit in caustic service that was originally stress-relieved:A) Should be examined at twice the inspection interval of systems that are not stress-relieved.B) Should be checked for cracking with magnetic-particle testing.C) Requires Brinell hardness testing at the first inspection intervalD) Should never be hammer tested.

56) When re-rating a piping system, which of the following is not required by API 570?A) Re-rating when there is a change in the process fluidB) Validating that the pressure-relief devices are set at die appropriate pressureC) Updating of appropriate engineering recordsD) Acceptance of the rerate by the inspector or the piping engineer.

57) Local postweld heat treatment (PWHT) may be considered for piping repairs under all of the following conditions except when the:A) Pipe wall thickness exceeds ½” inch (13mm)B) PWHT is for environmental cracking resistanceC) Material has higher than 12% chrome contentD) Pipe diameter exceeds NPS 12 (DN 300)

58) New connections installed on existing piping systems shall always be:A) Considered alterationsB) Located downstream from any control valvesC) Designed per the applicable code.D) 100% radiographed

59) While inspecting flanged joints, particular attention should be given to fasteners. Fasteners should extend completely through their nuts. Lack of engagement of the nut shall not excees:A) More than the thickness of one side of the nutB) More than two threadsC) More than one threadD) Zero; the nut must be fully engaged.

60) Substituting NDE procedures for a pressure test after an alteration:A) Is generally acceptableB) Is not allowed by API standard 570C) Requires consultation with the inspector and a piping engineerD) Must comply with ASME B31.3

61) In-service ultrasonic testing measurements at the thickness measurement location (TML) points indicate thinning in the heat-affected zone of elbow-to-weld neck flange on an NPS 30 (DN 750) vapor line. What is the best method to determine the extent of deterioration during the next scheduled downtime?A) Internal inspectionB) Ultrasonic A-scan of the elbowC) Spot radiograph of the weldsD) Full radiograph of the elbow

62) The positive material identification (PMI) testing program within a warehouse:A) Must test a part of every alloy piping component receivedB) Should not be regarded as an alternative to PMI testing of the fabricated piping system.C) Requires dismantling of valves to test individual partsD) Is a cost-effective alternative to PMI testing of the fabricated piping system.

63) Oxidation of carbon steel begins to become significant above what temperature?A) 650°F (343°C)B) 800°F (427°C)C) 1000°F (538°C)D) 1250°F (677°C)

64) Welders who qualify with one filler metal are qualified to weld with any filler metal having the same:A) F-numberB) P-numberC) A-number and P-numberD) A-number

65) Which of the following steps should be taken when inspecting a buried pipe contained in a casing pipe that requires excavation?A) Verify that water and/or soil has not entered casingB) Excavate around the casing, and verify the thickness of the casingC) Remove the casing for inspection of the pressure-carrying pipingD) No inspection is required, because the casing provides sufficient protection

66) For class 1 piping, the risk-based inspection (RBI) should be reviewed and approved at intervals not to exceed:A) 1 yearB) 3 yearsC) 5 yearsD) 10 years

67) Of the following, which is not appropriate for measuring the skin temperature of hot spots?A) High-temperature ultrasonicB) A handheld pyrometerC) Temperature-indicating paintsD) A portable thermocouple

68) Surface conditions of buried pipeline paths should be visually surveyed at approximately what intervals?A) 6 monthsB) 1 yearC) 2 yearsD) 3 years

69) According to API-570, materials used in repairing or altering piping systems must comply with which of the following?A) The same as the original construction materialsB) Compatible with 7018 weld electrodesC) Approved by the maintenance managerD) Be of known weldable quality

70) Historically, material non-conformances with the greatest number of serious consequences have involved:A) Stainless steel components in Monel or Inconel piping systemsB) Carbon steel components in low allow piping systemsC) Carbon steel components in stainless steel piping systemsD) Low alloy components in stainless steel piping systems

71) The most important location to establish a thickness measurement location (TML) in an injection circuit is:A) Downstream from the injected fluid on the pipe wallB) 25 feet downstream from the second change in flow directionC) 12 feet upstream from the injection pointD) On the injection nozzle before the injection occurs

72) A holiday survey can be used to evaluate which of the following?A) The effectiveness of cathodic protectionB) Coating repair needsC) Coating thicknessD) The need for additional anodes.

73) Which of the following is not an advantage in using radiography to determine pipe thickness?A) Piping insulation can remain intact during inspectionB) Film negatives provide a permanent record of the condition of the pipeC) Isotope radiography is not an ignition source on the presence of hydrocarbonsD) The cost of inspection is lower than other methods.

74) According to API 570, an examiner:A) Need not be an authorized piping inspectorB) Evaluates the results of nondestructive examination (NDE) on piping systems.C) Must authorize all repair procedures, materials, and examination techniques before work is

done.D) Must be an authorized piping inspector

75) An 8-foot-deep trench is dug to expose a section of buried pipe on which ultrasonic thickness measurements are to be taken. Which of the following must be completed prior to performing the examination? A) Remove all loose paint and scale on the entire run of exposed pipingB) Ensure that sides of the trench are properly shoredC) Confirm soil resistivity within 10 feet of the excavationD) Verify the operating pressure, temperature, and service

76) An NPS 16 (DN 400) gate valve has been inspected by taking thickness readings between its seats. The portion of the piping system in which the valve is installed is known to exhibit a great deal of erosion and corrosion. The reason for taking the thickness at this location is that:A) Seats in gate valves are areas of high turbulence and stress, and areas of concern due to

erosion.B) Deformation from over-tightening gate valves thins the seating area, leaving it susceptible to

erosionC) Galvanic corrosion may be caused by the use of different materials for the seat and the bodyD) Gate valve seats are thin due to casting methods, and are prone to stress cracking.

77) A repair to a crack can be considered permanent if:A) A weld groove completely removes the defect and is then filled with weld metal depositB) The piping component is hydrostatically tested to 150% of the maximum allowable pressureC) A box-type enclosure is installedD) A full encirclement welded split sleeve is installed per API 570

78) Which of the following is the most correct statement regarding a fillet-welded external patch installed over a piping system defect?A) The patch is considered a permanent repair.B) The patch does not require rounded cornersC) The patch must be designed by a piping engineerD) The patch is not designed with joint efficiency in mind.

79) Junctions where vibrating piping systems are restrained are logical places for which specific type of corrosion or cracking?A) Brittle fractureB) Stress corrosion crackingC) Environmental crackingD) Fatigue cracking

80) A carbon steel piping circuit in caustic service that was originally stress relieved:A) Should be examined at twice the inspection interval of systems that are not stress relievedB) Should be checked for cracking with magnetic particle testingC) Requires Brinell hardness testing at the first inspection intervalD) Should never be hammer tested

Also, there were remaining life calculations with and without RBI assessments.

That’s the majority of the exam. If I can think anymore or find more like the ones on the exam I’ll email them to you again.

Enjoy,Chris