Chapter V Fabrication, Assembly, and Erection Flashcards
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.
1)Welding and brazing
2)welders
3)brazers
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.
1)permitted for
2)Code
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:
1) may
2)provided
3)following
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.
1)employer
2)copies
3)Inspector
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.
1)Welding electrode
2)filler metal
3)Section II
(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.
1)nominal tensile
2)strength
3)base metals
(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___
1)chemical
2)alloying
3)base metal
(d) When ____1____ steels are ___2___ to ferritic steels, the weld metal shall have a predominantly austenitic _____3______
1)austenitic
2)joined
3)microstructure
(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.
1)nonferrous metals
2)manufacturer
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__.
1)Ferrous Metal
2)Rings
3) 0.05%
(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.
1)Nonferrous
2)Nonmetallic
3)designer
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
1)nominal composition
2)filler metal
328.4.2 End Preparation
(2) ___1_________ for groove welds specified in ASME ___2___, or any other that meets the ___3__, is acceptable.
1)End preparation
2)B16.25
3) WPS
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______.
1)aligned
2) dimensional limits
3)engineering design
(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_________.
1)contoured
2)groove
3)WPS requirements
(d) Spacing.
The __1__ opening of the joint shall be ___2___ the tolerance limits in the ___3__.
1)root
2)within
3)WPS
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.
1)Tack welds
2)filler metal
3)root pass
(d) ____1____is prohibited on the root pass and ____2___ of a weld.
1) Peening
2)final pass
(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.
1)snow
2)sleet
3)excessive wind
(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__.
1)Valves
2)preserve
(b) If ___-1______ are single ___2__, the welds hall be at the hub.
1)slip-onflanges
2)welded
328.5.3 Seal Welds. ____ ____1___ shall be done by a qualified ___2___. Seal welds shall cover all exposed ___3___.
1)Seal welding
2)welder
3) threads
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____.
1)branch pipe
2)directly
3)run pipe
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___
1)calculated
2)304.3.3
3)328.5.4D
The __1___ shall be finished with cover fillet welds having a throat ____2____ not less than tc.
1)welds
2)dimension
328.5.6 Welding for Severe Cyclic Conditions.
A welding procedure shall be ____1_____ that provides a ___2___, ____3__, fully penetrated inner surface
1)employed
2)smooth
3)regular
328.6 Weld Repair
Repair welds shall be made by ____1___ or ____2____ operators qualified in accordance with para. 328.2.1.
1)welders
2) welding
(d) after _______1_____ are removed, the areas shall be visually examined for ___2____ of ___3___ to be repaired
1)thermocouples
2)evidence
3)defects
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.
1)preheat
2) P-Numbers
330.1.2 Unlisted Materials.
___1________requirements for an ___2___ material shall be specified in the __3__.
1)Preheat
2)unlisted
3)WPS
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.
1)Preheat temperature
2)crayons
3)thermocouple pyrometers
(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.
1)Thermocouples
2)pressure-containing
3)capacitor
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
1)preheat
2)75
3)1.5
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.
1) metal temperature
2) 25
3) 1 in
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.
1)Essential variables
2)preheat
2)welded
