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1.

API 570 covers inspection, repair alteration, and re-rating procedures for metallic piping systems that __________.

 
 
 
 

2.

API 570 was developed for the petroleum refining and chemical process industries.

 
 
 
 

3.

API 570 __________ be used as a substitute for the original construction requirements governing a piping system before it is placed in-service.

 
 
 
 

4.

API 570 applies to piping systems for process fluids, hydrocarbons, and similar flammable or toxic fluid services. Which of the following services is not specifically applicable?

 
 
 
 

5.

Some of the classes of piping systems that are excluded or optional for coverage under API 570 are listed below. Which one is a mandatory included class?

 
 
 
 

6.

The __________ shall be responsible to the owner-user for determining that the requirements of API 570 for inspection, examination, and testing are met.

 
 
 
 

7.

Who is responsible for the control of piping system inspection programs, inspection frequencies and maintenance of piping?

 
 
 
 

8.

An authorised piping inspector shall have the following qualifications. Pick the one that does not belong in this list:

 
 
 
 

9.

Risk based inspections include which of the following:

 
 
 
 

10.

An RBI assessment can be used to alter the inspection strategy provided:

 
 
 
 

11.

Which one of the following is not a specific type of an area of deterioration?

 
 
 
 

12.

Injection points subject to accelerated or localised corrosion may be treated as __________.

 
 
 
 

13.

The recommended upstream limit of inspection of an injection point is a minimum of:

 
 
 
 

14.

The recommended downstream limit of inspection of an injection point is a minimum of

 
 
 
 

15.

Select thickness measurement locations (TMLs) within injection point circuits subjected to localised corrosion according to the following guidelines. Select the one that does not belong.

 
 
 
 

16.

What are the preferred methods of inspecting injection points ?

 
 
 
 

17.

During periodic scheduled inspections, more extensive inspection should be applied to an area beginning __________ upstream of the
injection nozzle and continuing for at least __________ pipe diameters downstream of the injection point.

 
 
 
 

18.

Why should deadlegs in piping be inspected?

 
 
 
 

19.

Both the stagnant end and the connection to an active line of a deadleg should be monitored. In a hot piping system, why does the high point of a deadleg corrode and need to be inspected?

 
 
 
 

20.

What is the best thing to do with deadlegs that are no longer in service?

 
 
 
 

21. Note: Some questions in this section are true/false or essay type questions, instead of multiple choice. Historically, it has been shown that test questions on ASME V involve a good deal of theory that cannot adequately be explored through multiple choice questions (although multiple choice questions only will be on the test).

1. A film side penetrameter can be used for:

 
 
 
 

22.

A dark image of the “B” on a lighter background is:

 
 
 
 

23.

One of the procedural requirements for conducting PT is to address the processing details for :

 
 
 
 

24.

Non-aqueous developer may be applied to a wet surface.

 
 

25.

The accuracy of a piece of magnetizing equipment that is equipped with an ammeter shall be verified :

 
 
 
 

26.

When using fluorescent particles, the examiner shall be in a darkened area for at least ________ minutes prior to performing the examination.

 
 
 
 

27.

A wire IQI shall be placed adjacent to the weld, with the wires parallel to the weld.

 
 

28.

Certification of contaminants shall be obtained for all PT materials used on:

 
 
 
 

29.

The location markers required by ASME V are required to appear as radiographic images.

 
 

30.

D.C. yokes may be used for detecting subsurface discontinuities, per ASME V?

 
 

31.

How many total liquid penetrant techniques are listed in ASME V?

 
 
 
 

32.

Prior to examinations, each adjacent surface shall be cleaned within at least _____ of the area to be examined.

 
 
 
 

33.

Water washable penetrant shall be removed with a water spray not exceeding 60 psi and 1000 F.

 
 

34.

The maximum emulsification time shall be:

 
 
 
 

35.

Densitometers shall be calibrated by verification with a calibrated:

 
 
 
 

36.

When using a hydrophillic emulsifier versus a lipophilic emulsifier and intermediate step that must be taken is:

 
 
 
 

37.

A welded part is to be radiographed and is 1” thick, with 1/8” reinforcement. What ASTM wire set IQI should be used on these radiographs if a source side technique is used:

 
 
 
 

38.

When a PT test cannot be conducted between 500-1250 F, what must be done, per ASME V?

 
 
 
 

39.

All indications are to be evaluated in accordance with:

 
 
 
 

40. LATEST ASME B16.5 PRACTICE QUESTIONS AND ANSWERS (Closed Book)

1. ASME B 16.5 does not cover:

 
 
 
 

41.

The maximum hydrostatic test pressure permitted for a flange in a system hydrostatic test is:

 
 
 
 

42.

“High strength” bolting is described as equivalent to:

 
 
 
 

43.

The pressure class ratings covered by ASME B16.5 are:

 
 
 
 

44.

The standard finish for raised face flanges per ASME B16.5 is:

 
 
 
 

45.

Socket weld and threaded flanges are not recommended for service beyond the following temperatures if thermal cycles are involved:

 
 
 
 

46.

“Low strength bolting” is:

 
 
 
 

47.

Ring joint sidewall surfaces (gasket groove) must not exceed __________roughness.

 
 
 
 

48.

Which of the following items must be marked on all flanges or flanged fittings?

 
 
 
 

49.

When used above ________ °F, class 150 flanges may develop leakage unless special precautions are taken regarding loads or thermal gradients.

 
 
 
 

50.

The three basic parts to a flanged joint are:

 
 
 
 

51.

Class 600 flanged joints may develop leakage, unless special considerations for thermal gradients are applied at temperatures above ________°F.

 
 
 
 

52.

A Class 400 flanged fitting must be hydrotested at what pressure, if the 100°F rating is 800 psig?

 
 
 
 

53.

The maximum temperature for hydro testing a fitting is:

 
 
 
 

54.

The minimum duration for hydro testing on NPS 12 fitting shall be:

 
 
 
 

55.

The maximum depth and radial projection of an imperfection (deeper than the bottom of the serration) on a NPS 14 raised face flange is:

 
 
 
 

56.

On an NPS 24, 600 Class flange, the thickness of the flange (minimum) is:

 
 
 
 

57.

The allowable pressure (in psig) on a 100°F, Class 150 8” flange made from A182 Grade F2 material is:

 
 
 
 

58.

If a Class 1500 flange is to be made from A-182 F347 stainless steel and will be used at 280 psig with a carbon content of 0.09%, at what maximum temperature can this flange be used?

 
 
 
 

59.

What is the minimum wall thickness of a Class 900 fitting that is NPS 16?

 
 
 
 

60.

The purpose of the WPS and PQR is to determine that:

 
 
 
 

61.

The WPS lists:

 
 
 
 

62.

The PQR must list:

 
 
 

63.

What is the earliest Edition of Section IX recognized by the current edition?

 
 
 
 

64.

New Welding Procedure Specifications must meet the _________ Edition and Addenda of Section IX.

 
 
 
 

65.

Each ___________ shall conduct the tests required by Section IX to qualify the WPS’s used during the construction, alteration, or repair.

 
 
 
 

66.

The records of procedure, welder and welding operator qualification must be available to the __________.

 
 
 
 

67.

A welder qualifying with a groove weld in plate in the 4G position is qualified to weld groove welds in plate and pipe over 24”O.D. in at least the ________ positions.

 
 
 
 

68.

A welder qualifying with plate fillet welds in the 3F and 4f positions is qualified to weld groove welds in plate in the ____________ positions.

 
 
 
 

69.

A welder qualifying by making a groove weld on pipe with an O.D. of ¾” in the 5G position is qualified to weld groove welds in:

 
 
 
 

70.

In general, qualification on groove welds also qualifies a welder to make:

 
 
 
 

71.

Charpy V-notch tests are performed to determine a weldment’s

 
 
 
 

72.

A welder making a groove weld using the SAW process on P1 materials may be qualified using radiography.

 
 

73.

When a tensile specimen breaks in the base metal outside of the weld or fusion line, the strength recorded may be at most ____ below the specified tensile and be accepted.

 
 
 
 

74.

Guided-bend specimens shall have no open defects in the weld or heat effected zone exceeding __________ measured in any direction on the convex surface of the specimen after bending.

 
 
 
 

75.

When using radiographs to qualify welder, the acceptance standards used are found in:

 
 
 
 

76.

A WPS must describe:

 
 
 
 

77.

A PQR must describe:

 
 
 
 

78.

The _______ must certify the PQR as accurate.

 
 
 
 

79.

For the SMAW process ____________ is an essential variables for the WPS.

 
 
 
 

80. Latest BASIC PIPING INSPECTION TERMINOLOGY & RP 574 Practice Questions and Answers

1. In the Barlow formula for determining pipe thickness, the term S stands for:

 
 
 
 

81.

At low pressures and temperatures, the thickness determined by the Barlow formula may be so small that the pipe would have _______ structural strength.

 
 
 
 

82.

A seamless NPS 12, A-106 Grade A pipe operators at 300 degrees F and 941 psi. The allowable stress is 16000 psi. Using the Barlow Equation, determine the thickness required for these conditions.

 
 
 
 

83.

A seamless NPS6, A-106 Grade A pipe operators at 300 degrees F and 941 psi. The allowable stress is 16000 psi. The owner user specified that the pipe must have 0.1” allowed for corrosion allowance. Using the Barlow Equation, determine the thickness required for these conditions:

 
 
 
 

84.

A seamless NPS 8, A-53 Grade B pipe operators at 700 degrees F and 700 psi. The allowable stress is 16500 psi. The pipe has been in service for 6 years. The original wall thickness of the pipe was 0.375”. The pipe wall now measures 0.30”. Considering no structural requirements, estimate how long the piping can continue to operate and not be below the minimum thickness.

 
 
 
 

85.

An Inspector finds a thin area in the body of a NPS 8 (8.625” O.D.) 600# gate valve. The valve’s body is made from ASTM A216 WCB material. The system operates at 700 psi and 750 degrees F. Using a corrosion allowance of 0.125”, what thickness must be present in order to continue to safely operate? Round to nearest hundredth.

 
 
 
 

86.

If corrosion or erosion is anticipated for a valve, what should be done prior to installing the valve?

 
 
 
 

87.

Which of the items listed below would NOT normally be contained in inspection records or piping?

 
 
 
 

88.

Accurate records of a piping system make possible an evaluation of __________ on any piping, valve or fitting:

 
 
 
 

89.

You are working as an inspector. While reviewing a tabulation of thickness data on a section of piping in non-corrosive or very low corrosive service, you find the initial thickness reading of an inspection point to be 0.432” and marked nominal on a NPS 6 pipe. At the next inspection 12 months later you find a reading by ultrasonics of 0.378” at the same point. Twelve months later UT readings were taken and the thickness at the point was still 0.378”. What would this mean to you?

 
 
 
 

90.

You are working as an inspector. While reviewing a tabulation of thickness data on a section of piping, you find the letter “C” marked under a column headed by the word METHOD. What does the “C” indicate?

 
 
 
 

91.

Which of the following is not an important function of an accurate sketch?

 
 
 
 

92.

As soon as possible after completing an inspection, the Inspector should:

 
 
 
 

93.

As soon as possible after completing an inspection, the Inspector should:

 
 
 
 

94.

The Wenner 4-Pin methods, the soil bar, and the soil box do not represent methods of determining:

 
 
 
 

95.

The total resistivity for a Wenner 4-Pin test that utilizes pins spaced 2 feet apart and a 6 “R” factor is:

 
 
 
 

96.

Which of the following is not a consideration when using a soil bar?

 
 
 
 

97.

Which of the following is a consideration when using a soil box:

 
 
 
 

98. API 570 PRACTICE QUESTIONS AND ANSWERS– ALL QUESTIONS ARE CLOSE BOOK

1. API 570 covers inspection of :

 
 
 
 

99.

CUI is the acronym for :

 
 
 
 

100.

A person who assists the inspector by performing specific NDE on piping systems is defined as

 
 
 
 

101.

The response or evidence resulting from the application of a nondestructive evaluation technique is termed:

 
 
 
 

102.

The MAWP is:

 
 
 
 

103.

A selection of piping encompassed by flanges or other connecting fittings is called:

 
 
 
 

104.

If a person has a degree in engineering he is automatically qualified to be:

 
 
 
 

105.

A TML is:

 
 
 
 

106.

The result of excessive cyclic stresses that are often well below the static yield strength of the material is termed as:

 
 
 
 

107.

Thickness measurements may be taken by ultrasonic instruments or what other method:

 
 
 
 

108.

Thickness measurements may be taken by ultrasonic instruments or what other method:

 
 
 
 

109.

Which of the following tests are not normally conducted as part of a routine inspection:

 
 
 
 

110.

Thickness measurements are not routinely taken on in piping circuits.

 
 
 
 

111.

During the installation of a flanged connection, the bolts should:

 
 
 
 

112.

Services with the highest potential of resulting in an immediate emergency if a leak were to occur are in:

 
 
 
 

113.

The classification that includes the majority of unit process piping is labeled:

 
 
 
 

114.

Services that are flammable but do not significantly vaporize when they leak and are not located in high activity areas:

 
 
 
 

115.

What is the remaining life in years of a piping system whose corrosion rate is 0.074 inches per year, the actual wall thickness is 0.370 inches and the minimum required thickness is 0.1 inches?

 
 
 
 

116.

What is the long term corrosion rate of a piping circuit that started at 0.475 inches and is now 0.2 inch, the measurements were taken over a five year period?

 
 
 
 

117.

What is the short term corrosion rate for the above piping circuit in Question 18.

 
 
 
 

118.

A longitudinal crack in an existing piping circuit may be repaired by:

 
 
 
 

119. API 570 PRACTICE QUESTIONS AND ANSWERS – ALL QUESTIONS ARE CLOSE BOOK
Question begins the closed book portion of this exam!
It is recommended that you take this portion without referring to the ASME Code or API books on your
first attempt, to assess your strengths and concentrate your studies on the most needed subject
areas. It is suggested that you write your answers on a separate sheet to keep this copy clean for
future studies.

When preparing to inspect a piping system inspection personnel should?

 
 
 
 

120.

As regards dead legs in piping circuits, what is recommended to be done by API 570 when ever possible?

 
 
 
 

121.

As regards dead legs in piping circuits, what is recommended to be done by API 570 when ever possible?

 
 
 
 

122.

When is it necessary to reevaluate the frequency of inspection for an existing piping system?

 
 
 
 

123.

Establish TMLs at both the upstream and downstream limits of the injection point circuit. What is the fourth consideration when selecting TMLs

 
 
 
 

124.

When the inspector suspects or is advised that specific circuits may be susceptible to environmental cracking, the inspector should schedule supplemental inspections. What types of inspections may this include?

 
 
 
 

125.

Supplemental inspection for piping systems are sometimes required. Which of the following may be considered supplements to normal inspection techniques?

 
 
 
 

126.

To what inspection requirements must be applied to small bore class I secondary piping?

 
 
 
 

127.

To what inspection requirements must be applied to small bore class I secondary piping?

 
 
 
 

128.

When is API 570 inspection code not permitted to be applied to a piping system?

 
 
 
 

129.

A 14” O.D. pipe has a corroded area on it. What is the maximum size of a small repair patch that maybe used to cover the corroded area?

 
 
 
 

130.

A NPS 4 Schedule 80 ( 0.337” wall) branch is welded into a NPS 12 Schedule 40 (.406” wall) header. What size cover fillet weld (tc) is required over the full penetration groove weld “ ( Express answer to nearest hundredth)

 
 
 
 

131.

A NPS 6 (6.6.25” od) seamless pipe made from ASTM A335 Grade P2 material operates at 800psi and 600 degrees F. The conditions require that corrosion allowance of 0.125” be maintained. Calculate the minimum required thickness for these conditions.

 
 
 
 

132.

A NPS 14 (14.00” od) seamless pipe made from ASTM A106 Grade. A material operates at 300 psi and 600 degrees F. The pipe must cross a small ditch and it must be capable of supporting itself without visible sag. A piping engineer states that the pipe must be at least 0.375” to support itself and the liquid product. He also states that a 0.125” corrosion allowance must be included. Calculate the minimum required thickness for the pipe.

 
 
 
 

133.

A 10’ long carbon steel pipe is welded to a 10’ 18-8 stainless pipe and is heated uniformly to 475 degrees F from degrees F. Determine its total length after heating.’

 
 
 
 

134.

A blank Is required between two NPS 10, 300 lb. class flanges. The maximum pressure in the system is 385 psi at 200 degrees F. A corrosion allowance of 0.175” is required. The inside diameter of the gasket surface is 9.25”. The blank is ASTM A516 Grade 70 material with no weld joint. Calculate the pressure design thickness required for the blank.

 
 
 
 

135.

1996, the thickness was measured to be 0.571”. What is the long-term corrosion rate of this system?

 
 
 
 

136.

Using the data in Question No. 8, calculate the short term corrosion rate in mils per year (MIP year)

 
 
 
 

137.

Using the information in Questions No. 8 and No. 9, determine the remaining life of the system, If service remains unchanged

 
 
 
 

138.

Using the information in Questions No. 10 and assuming an injection point in a Class 2 system with 7 years estimated until the next inspection what would the next interval be?

 
 
 
 

139.

A seamless NPS 10 pipe, ASTM A106 Grade B material operates at 750 psi and 700 degrees F maximum. Considering only pressure design thickness, what minimum thickness is required?

 
 
 
 

140. ASME B 31.3 — PRACTICE QUESTIONS AND ANSWERS (CLOSED BOOK)

The requirements of the latest edition of ASME Code Section B 31.3 and any subsequent Addenda:

 
 
 
 

141.

Clauses in the B 31 code are not necessarily numbered consecutively. Such discontinuities result from:

 
 
 
 

142.

Who has the responsibility of determining which Code Section is applicable to piping installations, i.e. B31.1, B31.3 etc?

 
 
 
 

143.

Who has the overall responsibility for compliance with ASME B31.3?

 
 
 
 

144.

The intent of ASME B 31.3 is to set forth engineering requirements deemed necessary for __________ and __________ of piping installations.

 
 
 
 

145.

ASME Code is not intended to apply to piping:

 
 
 
 

146.

Compatibility of materials with the service and hazards from instability of contained fluids:

 
 
 
 

147.

ASME B31.3 applies to piping for all fluids except for which of the below?

 
 
 
 

148.

A pre-placed filter metal which is completely fused into the roof of a welded joint and becomes part of the weld is called:

 
 
 
 

149.

Define “face of weld”

 
 
 
 

150.

Fluid service that is non-flammable, nontoxic, and not damaging to human tissue and its gauge pressure does not exceed 150 psi and the design temperature is form 20 degrees through 366 degrees F is known as a category ________ fluid.

 
 
 
 

151.

A fluid service in which the potential for personnel exposure is judged to be significant and in which a single exposure to a very small quantity of a toxic fluid, caused, by leakage, can produce serious irreversible harm to persons on breatng or bodily contact, even when prompt restorative measures are taken is known as a category ______ fluid.

 
 
 
 

152.

A fillet weld whose size is equal to the thickness of the thinner member joined is called,

 
 
 
 

153.

The heating of metal to and holding at a suitable temperature and then cooling at a suitable rate for such purposes as; reducing hardness, improving machinability, facilitating cold working, producing a desired mechanical, physical, or other properties known as:

 
 
 
 

154.

Piping joint that for the purpose of mechanical strength or-leak resistance, or both, in which the mechanical strength is developed by threaded, grooved, rolled, flared, or flanged pipe ends; or by bolts, pins, toggles, or rings; and the leak resistance is developed by threads and compounds, gaskets, rolled ends, caulking, or machined and mated surfaces is known as

 
 
 
 

155.

The term NPS 6 refers to:

 
 
 
 

156.

A pipe produced by piercing a billet followed by rolling or drawing, or both is a:

 
 
 
 

157.

What is the “root opening”?

 
 
 
 

158.

A weld intended primarily to provide joint tightness against leakage in metallic piping is known as a:

 
 
 
 

159.

A weld made to hold parts of weldment in proper alignment until the final welds are made is known as a:

 
 
 
 

160. LATEST ANSI B31.3 QUESTIONS AND ANSWERS

You are performing a visual inspection on the final welded surface of a butt weld (girth & miter groove category) in 12” diameter standard wall pipe. The acceptance standard is ANSI B31.3 normal fluid service. You see undercut that is 1/32” at the deepest point. In addition, the height of reinforcement at the highest point is 1/8”. (t=0.375”) 5 of 18

 
 
 
 

161.

You are performing a visual inspection on the final welded surface of a butt weld (girth & miter groove category) in 12” diameter standard wall pipe. The acceptance standard is ANSI B31.3 severe cyclic service. You see undercut that is 1/32” at the deepest point. In addition, the height of reinforcement at the highest point is I/8”. (t= 0.375”)

 
 
 
 

162.

You are performing a visual inspection on the final welded surface of a butt weld (girth & miter groove category) in 12” diameter standard wall pipe. The acceptance standard is ANSI B31.3 category D fluid service. You see undercut that is 1/32” at the deepest point. In addition, the height of reinforcement at the highest point is 1/8”. (t= 0.375”)

 
 
 
 

163.

You are performing a visual inspection on the final welded surface of a seam weld (longitudinal groove category) in 20” diameter standard wall pipe. The acceptance standard is ANSI B31.3 normal fluid service. You see undercut that is 1/32” at the deepest point. In addition, the height of reinforcement at the highest point is 1/8”. (t=0.375”)

 
 
 
 

164.

You are performing a visual inspection on the final welded surface of a seam weld (longitudinal groove category) in 20” diameter standard wall pipe. The acceptance standard is ANSI B31.3 severe cyclic fluid service. You see undercut that is 1/32.” at the deepest point. In addition, the height of reinforcement at the highest point is 1/8”. (t= 0.375”)

 
 
 
 

165.

You are performing a visual inspection on the final welded surface of a seam weld (longitudinal groove category) in 20” diameter standard wall pipe. The acceptance standard is ANSI B31.3 category D fluid service. You see undercut that is 1/32” at the deepest point. In addition, the height of reinforcement at the highest point is 1/8”. (t= .375”)

 
 
 
 

166.

You are performing a visual inspection1on the final welded surface of a socket weld in 2” diameter schedule 80 pipe. The acceptance standard is ANSI B31.3 normal fluid service. You see lack of fusion that is 1/32” at the deepest point. In addition, there is a crack in the toe of the weld 0.312” long. (t=0.218”)

 
 
 
 

167.

You are performing a visual inspection on the final welded surface of a socket weld in 2” diameter schedule 80 pipe. The acceptance standard is ANSI B31.3 severe cyclic service. You see lack of fusion that is 1/32” at the deepest point. In addition, there is a crack in the toe of the weld 0.312” long. (t= 0.218”)

 
 
 
 

168.

You are performing a visual inspection on the final welded surface of a socket weld in 2” diameter schedule 80 pipe. The acceptance standard is ANSI B31.3 category D fluid service. You see lack of fusion that is 1/32” at the deepest point. In addition, there is a crack in the toe of the weld 0.312” long. (t= 0.218”)

 
 
 
 

169.

You are performing a visual inspection on the final welded surface of a butt weld (girth & miter groove category) in 8” diameter standard wall pipe. The acceptance standard is ANSI B31.3 normal fluid service. You see incomplete penetration that is 1/16” at the deepest point and 1.25” long. In addition, the height of reinforcement at the highest point is 3/16”. (t= 0.322”)

 
 
 
 

170.

You are performing a visual inspection on the final welded surface of a butt weld (girth & miter groove category) in 8” diameter standard wall pipe. The acceptance standard is ANSI B31.3 severe cyclic service. You see incomplete penetration that is 1/16” at the deepest point and 1.25” long. In addition, the height of reinforcement at the highest point is 3/16” (t= 0.322”)

 
 
 
 

171. LATEST ASME B 31.3 PRACTICE QUESTIONS AND ANSWERS

What is the minimum wall schedule that can be used in a male threaded joint in normal fluid service, carbon steel (notch-sensitive) and NPS 1.5 and smaller?

 
 
 
 

172.

What is an example of a straight-threaded joint?

 
 
 
 

173.

Determine the linear expansion (in/100ft) of a carbon steel pipe between 70°F. and 450°F.

 
 
 
 

174.

A 20’ long carbon steel pipe is heated uniformly to 450°F from 70°F. Determine its length after heating.

 
 
 
 

175.

If 4 materials, carbon steel, 18Chr-8Ni, Monel, Aluminium are heated from 70°F. to 550°F., which one will expand more?

 
 
 
 

176.

What is the modulus of elasticity of carbon steel material (carbon content ≤ 0.3) at 700°F?

 
 
 
 

177.

Poisson’s ratio may be taken as ________ at all temperatures for all metals.

 
 
 
 

178.

Stop valves are allowed on the inlet and outlet side of a pressure-relieving device, provided:

 
 
 
 

179.

For a liquid thermal expansion relief device which protects only a blocked-in portion of a piping system, the set pressure shall not exceed the lesser of the system test pressure or _________% of design pressure.

 
 
 
 

180.

An ASTM A53 Grade B pipe with a maximum wall thickness of 0.75” is being considered for use in a cold service. What minimum temperature can it be used and not have an impact test?

 
 
 
 

181.

Each set of impact test specimens shall consist of __________ specimen bars.

 
 
 
 

182.

A carbon steel ASTM A 53 Grade B material is being impact tested. What is the minimum energy requirement for this material (average for 3 specimens-fully deoxidized steel)?

 
 
 
 

183.

A thicker wall pipe is joined to a thinner wall pipe. The thicker pipe is taper bored to facilitate the fit up. What is the maximum slope of the taper bore?

 
 
 
 

184.

A NPS 2 schedule 80 (0.218” wall) is welded into a NPS 6 Schedule 40 (0.0.280” wall) header. What size cover fillet weld (tc) is required around the fully penetrated groove weld of the branch into the header? (Express answer to nearest hundredth)

 
 
 
 

185.

An NPS 8 schedule A NPS 8 Schedule 40 (0.322” wall), ASTM A 106 Grade B, is to be welded. The weather is clear. The sun is shining. The temperature is 30°F. What preheat temperature, if any, is required.

 
 
 
 

186.

The zone for preheat shall extend:

 
 
 
 

187.

An ASME A 106 Grade B, NPS 8, Schedule 40 (0.322” wall) pipe is to be welded to an ASME A335 Grade P9, NPS 8, Schedule 40 (0.322” wall) pipe. What preheat temperature is required?

 
 
 
 

188.

When components of a piping system are joined by welding, the thickness to be used in applying the heat treatment provisions of ASME B 31.3, Table 331.1.1 shall be:

 
 
 
 

189.

An NPS 4 Schedule 40 (0.237” wall) branch connection is welded into a NPS 6 Schedule 40 (0.0.280” wall) header. A ¼” reinforcing pad is used around the branch connection. The branch connection is inserted into the header. The material of the branch and the header is ASTM A 106 Grade B. What thickness would be used to determine whether heat treatment of this connection is required? (Express answer to nearest hundredth.)

 
 
 
 

190.

An ASME A335 Grade P9, NPS 8, Schedule 40(0.322” wall) pipe is to be welded to an ASME A335 Grade P9, NPS 8, Schedule 40 (0.322” wall) pipe. What Brinnell Hardness is required after post weld heat treatment?

 
 
 
 

191. API 570 Practice Exam
This is the “Open Book” portion, feel free to Contact us any of the following:
API 510, API 574, ASME B31.3, ASME B16.5(a), ASME Section V or
ASME Section IX

1. Determine the MAWP of the following piping system, at the next inspection, based on the following:
Design pressure/temperature: 100 psig1100°F
Pipe description: NPS 2, S180 A 106-B
Outside diameter of pipe, D: 2.375 in.
Thickness determined from inspection: .190 in.
Observed corrosion rate: .03 in/year
Next planned inspection: 5 years
MAWP =_________________

 
 
 
 

192.

What is the pressure design thickness of NPSIO, A516 Gr. 65 Type 22 pipe that operates at 1,200 psi/750 F?

 
 
 
 

193.

A leak test is an alternative to inspection of buried piping. What is the minimum liquid pressure to adequately conduct this test?

 
 
 
 

194.

For a single-wall material thickness, over 0.375‘ through 0.50”, what is the hole-type designation for a source side penetrameter?

 
 
 
 

195.

Give the corresponding ‘P” number for SA 414 Grade A material.

 
 
 
 

196.

On a Class 1500 NPS 4 blind flange, what is the minimum thickness permitted?

 
 
 
 

197.

For 1 ¼ inch thick carbon steel, what is the recommended preheat temperature?

 
 
 
 

198.

Determine the MAWP of the following piping system, at the next inspection, based on the following:
Design pressure/temperature: 100 psig/100°F
2 of 19
Pipe description: NPS 20, Std A 106-B
Outside diameter of pipe, D: 20 in.
Thickness determined from inspection: 0.280 in.
Observed corrosion rate: 0.02 in/year
Next planned inspection: 5 years
MAWP = ____________

 

 
 
 
 

199.

What is the inspection interval for buried piping without cathodic protection, if the soil resistivity is 6,500 ohm-cm?

 
 
 
 

200.

What is the maximum length allowed for individual slag trapped in a weld in a Severe Cyclic Conditions piping system?

 
 
 
 

201.

What is the design thickness of NPS 2 ½ A106B pipe that operates at 25psi/200’F?

 
 
 
 

202.

With respect to Category D service, what is the maximum allowable undercut for a branch connection?

 
 
 
 

203.

What is the test pressure of a metallic piping system whose design temperature is above – the test temperature using the following conditions? NPS 6, A106-13, 100psi/800°F

 
 
 
 

204.

Determine the MAWP of the following piping system, at the next inspection, based on the following:
Design pressure/temperature: 100 psig/750°F
Pipe description: NPS 6, Std 285c EFW, Straight Seam (No radiography)
Outside diameter of pipe, D: 6 5/8 in
Thickness determined from inspection: 0.280 in
Observed corrosion rate: 0.01 in/year
Next planned inspection: 5 years
MAWP =_______

 
 
 
 

205.

Impact testing of each form of material for any specification shall be done using procedures and apparatus in accordance with:

 
 
 
 

206.

In the AWS A5.1, what is the designation for a cellulose DC-RP electrode?

 
 
 
 

207.

With respect to a Class 400 NPS 12 slip-on raised face flange, whose edges of the gasket do not extend to the bolt, what is the outside diameter of the gasket?

 
 
 
 

208.

The base metal is P No. 8, the weld metal is A No. 8-9, and the wall thickness is 1”. What is the hold time for heat treatment?

 
 
 
 

209.

On a regularly furnished Class 300 raised face flange, what is the height of the raised face?

 
 
 
 

210.

During a welder qualification test on ½” plate in the horizontal position, how many guided bends are required?

 
 
 
 


*************************

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