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ASME-B31.3-2018-U > Chapter V Fabrication, Assembly, and Erection > Flashcards

Chapter V Fabrication, Assembly, and Erection Flashcards

1
Q

328.2 Welding and Brazing Qualification

_______1_______ procedure specifications (WPSs and BPSs) to be followed in production welding shall be prepared and qualified, and ___2____, ___3___, and operators shall be qualified as required by ASME BPVC, Section IX except as modified by para. 333 for brazing of Category D Fluid Service piping and by the following subparagraphs.

A

1)Welding and brazing

2)welders

3)brazers

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2
Q

328.2.1 Standard Welding Procedure Specifications

Standard welding procedure specifications published by the American Welding Society and listed in ASME BPVC, Section IX, Appendix E are ____1_____ __2__ construction within the limitations established by ASME BPVC, Section IX, Article V.

A

1)permitted for

2)Code

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3
Q

328.2.2 ProcedureQualification by Others.

In order to avoid duplication of effort and subject to the approval of the owner, WPSs and BPSs qualified by a technically competent group or agency __1__ be used ___2___ the ____1____ are met:

A

1) may

2)provided

3)following

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4
Q

328.2.4 Qualification Records

The ____1____ shall maintain __2___ of the procedure and performance qualification records specified by ASME BPVC, Section IX that shall be available to the ____3____ at the location where welding is being done.

A

1)employer

2)copies

3)Inspector

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5
Q

328.3 Welding Materials 328.3.1

Electrodes and Filler Metal. _______1______ and _____2_____, including consumable inserts, shall conform to the requirements of ASME BPVC, _____3___, Part C.

A

1)Welding electrode

2)filler metal

3)Section II

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6
Q

(a) The _____1_____ strength ofthe weld metal shall equal or exceed the minimum specified tensile ___2____ of the base metals being joined, or the weaker of the two if _____3___ of two different strengths are being joined.

A

1)nominal tensile

2)strength

3)base metals

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7
Q

(b) The nominal ____1___ analysis of the weld metal shall be similar to the nominal ___1____ analysis of the major ___2____ elements of the ____3___

A

1)chemical

2)alloying

3)base metal

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8
Q

(d) When ____1____ steels are ___2___ to ferritic steels, the weld metal shall have a predominantly austenitic _____3______

A

1)austenitic

2)joined

3)microstructure

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9
Q

(e) For _______1______, the weld metal shall be that recommended by the _____2_____ of the nonferrous base metal or by industry associations for that metal.

A

1)nonferrous metals

2)manufacturer

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10
Q

328.3.2 Weld Backing Material.

When backing rings are used, they shall conform to the following:

(a) _____1____ Backing ___2__.These shall be ofweldable quality. Sulfur content shall not exceed __3__.

A

1)Ferrous Metal

2)Rings

3) 0.05%

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11
Q

(c) ____1____ and _____2___ Backing Rings. Backing rings of ___1____ or _____2_____ material may be used, provided the ____3___ approves their use and the welding procedure using them is qualified as required by para. 328.2.

A

1)Nonferrous

2)Nonmetallic

3)designer

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12
Q

328.3.3 Consumable Inserts.

Consumable inserts may be used, provided they are of the same _______1________ as the ____2____, will not cause detrimental alloying oftheweldmetal, andthewelding procedureusing themis qualified as required by para. 328.2

A

1)nominal composition

2)filler metal

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13
Q

328.4.2 End Preparation

(2) ___1_________ for groove welds specified in ASME ___2___, or any other that meets the ___3__, is acceptable.

A

1)End preparation

2)B16.25

3) WPS

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14
Q

328.4.3 Alignment

(a) Circumferential Welds
(1) Inside surfaces of components at ends to be joined in girth or miter groove welds shall be ____1___ within the_______2_____ in the WPS and the ________3______.

A

1)aligned

2) dimensional limits

3)engineering design

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15
Q

(c) Branch Connection Welds

(1) Branch connections that abut the outside surface of the run pipe shall be ___1____ for ____2___ welds that meet the _____3_________.

A

1)contoured

2)groove

3)WPS requirements

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16
Q

(d) Spacing.

The __1__ opening of the joint shall be ___2___ the tolerance limits in the ___3__.

A

1)root

2)within

3)WPS

17
Q

328.5 Welding Requirements 328.5.1 General

(c) ____1 _____ at the root of the joint shall be made with ____2 ____ equivalent to that used in the ____3 _____. Tack welds shall be made by a qualified welder or welding operator.

A

1)Tack welds

2)filler metal

3)root pass

18
Q

(d) ____1____is prohibited on the root pass and ____2___ of a weld.

A

1) Peening

2)final pass

19
Q

(e) No welding shall be done if there is impingement on the weld area of rain, __1_, __2_, or ______3____, or if the weld area is frosted or wet.

A

1)snow

2)sleet

3)excessive wind

20
Q

(f) Welding End __1__. The welding sequence and procedure and any heat treatment for a welding end valve shall be such as to _____2____ the seat tightness of the __1__.

A

1)Valves

2)preserve

21
Q

(b) If ___-1______ are single ___2__, the welds hall be at the hub.

A

1)slip-onflanges

2)welded

22
Q

328.5.3 Seal Welds. ____ ____1___ shall be done by a qualified ___2___. Seal welds shall cover all exposed ___3___.

A

1)Seal welding

2)welder

3) threads

23
Q

328.5.4 Welded Branch Connections

(a) Figures 328.5.4A through 328.5.4F show acceptable details of branch connections with and without added reinforcement, in which the _____1____ is connected ____2__ to the __ 3____.

A

1)branch pipe

2)directly

3)run pipe

24
Q

b) The location and minimum size of attachment welds shall conform to the requirements herein. Welds shall be ____1____ in accordance with para. ____2____ but shall be not less than the sizes shown in Figure ___3___

A

1)calculated

2)304.3.3

3)328.5.4D

25
Q
A
26
Q

The __1___ shall be finished with cover fillet welds having a throat ____2____ not less than tc.

A

1)welds

2)dimension

27
Q

328.5.6 Welding for Severe Cyclic Conditions.

A welding procedure shall be ____1_____ that provides a ___2___, ____3__, fully penetrated inner surface

A

1)employed

2)smooth

3)regular

28
Q

328.6 Weld Repair

Repair welds shall be made by ____1___ or ____2____ operators qualified in accordance with para. 328.2.1.

A

1)welders

2) welding

29
Q

(d) after _______1_____ are removed, the areas shall be visually examined for ___2____ of ___3___ to be repaired

A

1)thermocouples

2)evidence

3)defects

30
Q

330 PREHEATING

330.1 General

330.1.1 Requirements. Unless specified otherwise in the engineering design, the minimum ___1____ temperatures for materials of various _-2______ are given in Table 330.1.1.

A

1)preheat

2) P-Numbers

31
Q

330.1.2 Unlisted Materials.

___1________requirements for an ___2___ material shall be specified in the __3__.

A

1)Preheat

2)unlisted

3)WPS

32
Q

330.1.3 Preheat Temperature Verification

(a) ______1_______ shall be checked by use of temperature indicating ____2____, ___________3________, or other suitable means to ensure that the temperature specified in the WPS is obtained prior to and maintained during welding.

A

1)Preheat temperature

2)crayons

3)thermocouple pyrometers

33
Q

(b) ______1_____ may be temporarily attached directly to _________2-______ parts using the low energy ___3____ discharge method of welding in accordance with para. 328.7.

A

1)Thermocouples

2)pressure-containing

3)capacitor

34
Q

330.1.4 Preheat Zone.

The ____1____ zone shall be at or above the specified minimum temperature in all directions from the point of welding for a distance of the larger of _2__mm (3 in.) or _3__ times the greater nominal thickness

A

1)preheat

2)75

3)1.5

35
Q

The base _____ 1_______ for tack welds shall be at or above the specified minimum temperature for a distance not less than _2_ mm (__3_.) in all directions from the point of welding.

A

1) metal temperature
2) 25
3) 1 in

36
Q

330.2 Specific Requirements

330.2.1 Different P-No. Materials. When welding two different P-No. materials,the ___1____ temperature shall be the higher temperature for the material being ___2___as shown in Table 330.1.1.

A

1)Essential variables

2)preheat

2)welded

ASME-B31.3-2018-U (4 decks)

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