API 570 - Closed Book -
Practice Exam 2024 with
complete verified solutions
what is an authorized piping inspector not required to have? - API 570 Annex A -
A.2
Four years of experience inspecting in-service piping systems
What inspection tool can be used to measure the weld prep angle? - API 577
8.3.2.4.b
Bridge Cam Gauge
A carbon steel vessel in Caustic service has a temperature excursion up to 425℉.
No PWHT has been performed. what type of deterioration could be expected?
- API 571: 3.15.3.f & Figure 3-15-1
Stress corrosion Cracking
Which of the following is not an acceptable method for establishing the piping
corrosion rate in a new service? - API 570: 7.3
Corrosion data from phone discussion with a consultant corrosion engineer.
Which of the following can cause a pressure relief valve to chatter? - API 576:
5.2.c & 5.2.g
Lengthy Pipe to relief device inlet, obstructions in the inlet piping, significantly
over-sized relief device.
For welded pipe, the normal thickness under-tolerance is: - API 574: 4.1.1
-0.01 inch.
When qualifying a weld procedure, the essential variables must be: - ASME Sect.
IX: QW-200.1(b) & QW-200.2(b)
recorded on both the WPS and PQR
What is the minimum # of RT exposures needed to RT a 2 NPS weld? (No access to
inside) - ASME Sect V. - Fig. A-210-2 & T-271.2(b)(1)
2
What tests are used to qualify a welder or a welding procedure - "Welding
qualification Test" - ASME Sect. IX - QW-300.1
Bend, RT & UT
,What tests are used to qualify a welder or a welding procedure - "Procedure
qualification Test" - ASME Sect. IX - Table QW-451.1
Bend, Tension
Sour Water Corrosion on Carbon Steel equipment typically appears as: API 571:
3.58.5.a
General wall loss.
A propane piping system should be classified as: API 570: 6.3.4.2(b)
Class 1
According to ASME/ANSI B16.5 flanges made from plater materials can only be
used for: ASME B16.5: 1.1(b)(2)
Blind Flanges
The corrosiveness of soils can be determined by measuring the soil's: - API 570:
9.5 & API 574: 11.7.2.4
Resistivity
The flash point of a hydrocarbon is the temperature at which: API 570: 3.1.33
Enough vapors are emitted to support combustion.
Which of the following is a required marking on ASME / ANSI B16.5 Flanges?
- ASME B16.5: 4.2.6
Nominal Pipe Size (NPS)
During welding, non-essential variables: - ASME Sect. IX: QW-200.1(a) & (b)
must be recorded only on the WPS and must be followed by the welder.
After an alteration to 1" thick pipe, the weld is radiographed. The correct hole-
type IQI is used. when the film is reviewed, which of the following would cause
the film to be rejected? - ASME Sect. V: T-282.1 & T-284
A faint light "B" is seen in the film & the minimum film density in the weld is 1.7
MIC occurring in 300 - series stainless steel usually forms: - API 571: 3.45.5.b
Sub-Surface cavities.
which of the following activities are included in the scope of API 570? - API 570:
1.1.1
Rerating a piping system & replacing a portion of a piping system.
Which of the following piping systems may be excluded from the requirements of
API 570? - API 570: 1.2.2.a
4 NPS Steam line
Graphitization of carbon steels begins to occur when metal temperatures exceed
what temperature? - API 574: 10.3.5.3
,800 °F
Which of the following often causes a pressure relief device's spring to fail by
stress corrosion cracking? - API 576: 5.3.1
Hydrogen sulfide
During a pipe repair, preheat is substituted for the required post weld heat
treatment. What is the minimum acceptable preheat temperature? - API 570:
8.2.4.2
300 °F
The maximum inspection interval for a pressure relief device in a clean, non-
corrosive and non-fouling service is: - API 570: 300.1, 300.1.3 & Fig. 300.1.1
Based on performance of the device with a maximum interval of 10 years.
A process pipe should be classified as Class 1 when the percentage of H2S
exceeds: - API 570: 6.3.4.2.(c)
3%
A welder becomes unqualified when he has not welded using the: - ASME Sect. IX:
QW-322.1(a)
Process for 6 months.
cyclic stresses may cause: - API 571: 3.43.1.a
fatigue
A pressure test is always required: - API 570: 8.2.8
whenever the Authorized inspector believes one is necessary.
More thickness CML's should be selected for piping systems with: - API 570: 5.6.3
Higher expected corrosion rates.
General, raised face flanges should have surface finish of: - ASME B16.5 - 6.4.5.3
125 - 250 micro-inch.
During a direct visual exam of a pipe weld, the minimum light intensity should be:
- API 577: 8.3.2.2.A
100 footcandles.
Describe the "3G" welding test position. - ASME Sect. IX: QW-121.3 & Fig. QW-
461.3
Vertical groove
When welding together piping components of different thickness, the thicker part
should be trimmed with a maximum taper of: - ASME B31.3: 328.4.3
30°
, Which of the following piping components is most likely to have a substitution
with the wrong material? - API 578: 5.6.2.2
Bolting
Liquid thermal relief valves should be set at a pressure Not higher than: - ASME
B31.3: 322.6.3(b)(2)
120% of the design pressure.
When establishing a PMI program, who determines the extent of PMI performed?
- API 570: 5.12
Owner/User
The material verification program specified by API 578 covers: - API 578: 1.1
only pressure-containing components
What is the interval for thickness measurements on a class 1 piping system? - API
570: Table 1 (pg. 45) & 6.3.3
the lesser of 5 years or 1/2 the remaining life of the pipe
according to B31.3, a weld procedure qualification records from a previous
employer can: - ASME B31.3: 328.2.2
be accepted if the owner approves.
weep-holes in repads should normally: - API 570: 5.5.5
remain open on in-service pipe.
for soil-to-air inspections on uncoated lines, it is recommended to excavate the
soil: - API 574: 7.4.6
6 - 12"
when performing preheat to a 0.500" thick pipe, the preheat zone must extend:
- ASME B31.3: 330.1.4
3" all directions from the start of the weld.
When obtaining thickness measurements: - API 570: 6.5.1
a CML on each type of pipe component should be measured.
flange bolts are unacceptable if the bolt threads to NOT extend: - API 570: 5.15
inside the nut within 1 thread of the nut face.
Carbon steel materials are most likely to be incorrectly substituted in: - API 578:
4.1
A chrome steel pipe system.
Per B31.3 how much of the fabrication should be visually examed for a pipe in
Severe cyclic service? - ASME B31.3: 341.4.3(a)(1)
100%
Practice Exam 2024 with
complete verified solutions
what is an authorized piping inspector not required to have? - API 570 Annex A -
A.2
Four years of experience inspecting in-service piping systems
What inspection tool can be used to measure the weld prep angle? - API 577
8.3.2.4.b
Bridge Cam Gauge
A carbon steel vessel in Caustic service has a temperature excursion up to 425℉.
No PWHT has been performed. what type of deterioration could be expected?
- API 571: 3.15.3.f & Figure 3-15-1
Stress corrosion Cracking
Which of the following is not an acceptable method for establishing the piping
corrosion rate in a new service? - API 570: 7.3
Corrosion data from phone discussion with a consultant corrosion engineer.
Which of the following can cause a pressure relief valve to chatter? - API 576:
5.2.c & 5.2.g
Lengthy Pipe to relief device inlet, obstructions in the inlet piping, significantly
over-sized relief device.
For welded pipe, the normal thickness under-tolerance is: - API 574: 4.1.1
-0.01 inch.
When qualifying a weld procedure, the essential variables must be: - ASME Sect.
IX: QW-200.1(b) & QW-200.2(b)
recorded on both the WPS and PQR
What is the minimum # of RT exposures needed to RT a 2 NPS weld? (No access to
inside) - ASME Sect V. - Fig. A-210-2 & T-271.2(b)(1)
2
What tests are used to qualify a welder or a welding procedure - "Welding
qualification Test" - ASME Sect. IX - QW-300.1
Bend, RT & UT
,What tests are used to qualify a welder or a welding procedure - "Procedure
qualification Test" - ASME Sect. IX - Table QW-451.1
Bend, Tension
Sour Water Corrosion on Carbon Steel equipment typically appears as: API 571:
3.58.5.a
General wall loss.
A propane piping system should be classified as: API 570: 6.3.4.2(b)
Class 1
According to ASME/ANSI B16.5 flanges made from plater materials can only be
used for: ASME B16.5: 1.1(b)(2)
Blind Flanges
The corrosiveness of soils can be determined by measuring the soil's: - API 570:
9.5 & API 574: 11.7.2.4
Resistivity
The flash point of a hydrocarbon is the temperature at which: API 570: 3.1.33
Enough vapors are emitted to support combustion.
Which of the following is a required marking on ASME / ANSI B16.5 Flanges?
- ASME B16.5: 4.2.6
Nominal Pipe Size (NPS)
During welding, non-essential variables: - ASME Sect. IX: QW-200.1(a) & (b)
must be recorded only on the WPS and must be followed by the welder.
After an alteration to 1" thick pipe, the weld is radiographed. The correct hole-
type IQI is used. when the film is reviewed, which of the following would cause
the film to be rejected? - ASME Sect. V: T-282.1 & T-284
A faint light "B" is seen in the film & the minimum film density in the weld is 1.7
MIC occurring in 300 - series stainless steel usually forms: - API 571: 3.45.5.b
Sub-Surface cavities.
which of the following activities are included in the scope of API 570? - API 570:
1.1.1
Rerating a piping system & replacing a portion of a piping system.
Which of the following piping systems may be excluded from the requirements of
API 570? - API 570: 1.2.2.a
4 NPS Steam line
Graphitization of carbon steels begins to occur when metal temperatures exceed
what temperature? - API 574: 10.3.5.3
,800 °F
Which of the following often causes a pressure relief device's spring to fail by
stress corrosion cracking? - API 576: 5.3.1
Hydrogen sulfide
During a pipe repair, preheat is substituted for the required post weld heat
treatment. What is the minimum acceptable preheat temperature? - API 570:
8.2.4.2
300 °F
The maximum inspection interval for a pressure relief device in a clean, non-
corrosive and non-fouling service is: - API 570: 300.1, 300.1.3 & Fig. 300.1.1
Based on performance of the device with a maximum interval of 10 years.
A process pipe should be classified as Class 1 when the percentage of H2S
exceeds: - API 570: 6.3.4.2.(c)
3%
A welder becomes unqualified when he has not welded using the: - ASME Sect. IX:
QW-322.1(a)
Process for 6 months.
cyclic stresses may cause: - API 571: 3.43.1.a
fatigue
A pressure test is always required: - API 570: 8.2.8
whenever the Authorized inspector believes one is necessary.
More thickness CML's should be selected for piping systems with: - API 570: 5.6.3
Higher expected corrosion rates.
General, raised face flanges should have surface finish of: - ASME B16.5 - 6.4.5.3
125 - 250 micro-inch.
During a direct visual exam of a pipe weld, the minimum light intensity should be:
- API 577: 8.3.2.2.A
100 footcandles.
Describe the "3G" welding test position. - ASME Sect. IX: QW-121.3 & Fig. QW-
461.3
Vertical groove
When welding together piping components of different thickness, the thicker part
should be trimmed with a maximum taper of: - ASME B31.3: 328.4.3
30°
, Which of the following piping components is most likely to have a substitution
with the wrong material? - API 578: 5.6.2.2
Bolting
Liquid thermal relief valves should be set at a pressure Not higher than: - ASME
B31.3: 322.6.3(b)(2)
120% of the design pressure.
When establishing a PMI program, who determines the extent of PMI performed?
- API 570: 5.12
Owner/User
The material verification program specified by API 578 covers: - API 578: 1.1
only pressure-containing components
What is the interval for thickness measurements on a class 1 piping system? - API
570: Table 1 (pg. 45) & 6.3.3
the lesser of 5 years or 1/2 the remaining life of the pipe
according to B31.3, a weld procedure qualification records from a previous
employer can: - ASME B31.3: 328.2.2
be accepted if the owner approves.
weep-holes in repads should normally: - API 570: 5.5.5
remain open on in-service pipe.
for soil-to-air inspections on uncoated lines, it is recommended to excavate the
soil: - API 574: 7.4.6
6 - 12"
when performing preheat to a 0.500" thick pipe, the preheat zone must extend:
- ASME B31.3: 330.1.4
3" all directions from the start of the weld.
When obtaining thickness measurements: - API 570: 6.5.1
a CML on each type of pipe component should be measured.
flange bolts are unacceptable if the bolt threads to NOT extend: - API 570: 5.15
inside the nut within 1 thread of the nut face.
Carbon steel materials are most likely to be incorrectly substituted in: - API 578:
4.1
A chrome steel pipe system.
Per B31.3 how much of the fabrication should be visually examed for a pipe in
Severe cyclic service? - ASME B31.3: 341.4.3(a)(1)
100%
