Term
| wELDINGINSPECTIONPERSONNEL SHALL BE QUALIFIED BY? |
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Definition
| eDUCTION AND EXPERENCE,TRAINING,AND RESULTS OF ANY QUALIFICATION EXAMS. |
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Term
| Which statement below is NOT a requirement for the tensile strength of a butt weld, including the fusion zone of each specimen? |
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Definition
| The specimen CANNOT break outside of the fusion zone |
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Term
| All Unexposed film shall be stored in a clean,dry place where theconditions will NOT detrimentally affect the? |
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Definition
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Term
| When selecting the butt-weld specimens for a welder qual.test,the specimen location may be rotated,provided they are equally spaced around the pipe;however? |
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Definition
| Specimens shall ot include the longitudinal weld(seam) |
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Term
| a COMPANY MAY THEREFORE REJECT ANY WELD THAT APPears to meet theseacceptance standards of API 1104if, in it's opinion? |
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Definition
| If the depth of a imerperfaction may be detrimental to the weld |
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Term
| A Mechanized welding procedure spec shall include? |
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Definition
| Process,Pipe materials,Joint design,and filler metal |
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Term
| The crown surface of the weld should not fall below the outside surface of the pipe,nor should it be raised above the parent metal by more than what for poistion welding? |
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Definition
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Term
| Shielding gases atmosphere to be used shall be qualified for the WHAT and the welding process |
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Definition
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Term
| A repair procedure, as a minimum, shall inculde the following? |
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Definition
| A method of exploration of the defect,method of defect removal,examined to confirm complete removal of the defect. |
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Term
| Film or other imaging media shall be processed,handled,and stored so that the images are interpretable when requested by the company for a least how many years? |
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Definition
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Term
| Procedure qualifications with E7018 electrodes also covers production welding with what? |
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Definition
| E9018-m,E7015-H4R. (rule of 5,6,8) |
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Term
| The exposed surface of each fillet welds break specimen shall show? |
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Definition
| Complete penetration and fusion |
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Term
| Level 1 and Level 2 NDT personnel shall be recertified at least every? |
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Definition
| Three years if they are Level 1 and Level 2 testing personnel |
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Term
| Prior to starting a welder qualifiction test, the welder shall ? |
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Definition
| Be allowed reasonable time to adjust the welding equiptment to be used,and use the same techique he will use if he passes the test and is permitted to do production welding |
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Term
| Cracks in welds may be repaired with prior authorization by the company,provided the following criteriais met? |
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Definition
| The length of the crack is less than 8% of the weld,and a qualified repair procedure is used. |
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Term
| The heat affected zone is the ? |
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Definition
| The portion of the base metal that has NOT been melted but where the properties had been altered by the welding heat. |
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Term
| What shade filter plate is needed when observing SUBMERGED ARC WELDING? |
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Definition
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Term
| The purpose of POST-WELD heat treatment is to? |
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Definition
| Relive stresses induced by welding |
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Term
| The most extensively used weld inspection is ? |
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Definition
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Term
| Brazed joints can be destructively tested by which of the following methods? |
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Definition
| Metallographic,Peel, Tension, |
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Term
| When welds are INACCESSIBLE in a finished weld,they should be inspected? |
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Definition
| Durning the progress of the assembly. |
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Term
| A group of joining processes which produce coalescence of matterials by heating them to asuitable temp and by using filler materials having a melting point below 840F and below the melting point of the bases matterial is called? |
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Definition
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Term
| In braze welding,flux may be applied by which of the following methods? |
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Definition
| Using a filler rod precoated with flux,introducing flux through the oxyfuel,brushing the flux on the joint prior to brazing. |
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Term
| Penetrameters(IQI) are utilized in which method? |
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Definition
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Term
| The purpose of flux coating on an electrode is to? |
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Definition
| Provide a slag blanket to protect the weld from atmosphere> |
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Term
| Air carbon arc cutting requires? |
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Definition
| An electrode holder,an air supply,may be done manually or mechanically |
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Term
| What defect does NOT occur when a weld is made by GTAW process? |
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Definition
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Term
| The weld face refers to the ? |
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Definition
| Exposed surface of the weld on the sidefrom which welding was done. |
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Term
| What is an advantage of the GTAW welding process? |
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Definition
| Joining thin gauge aluminum |
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Term
| In API 1104 code what are the welding procesess? |
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Definition
| shielded metal-arc welding,submerged arc welding,gas tungsten arc welding,gas metal-arc welding,flux-cored arc welding,plasma arc welding,oxyacetylene welding,or flash butt welding. |
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Term
| what are the types of different processesused to make a weld? |
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Definition
| Manual,semi-automatic,mechanized,or automatic technique |
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Term
| What is MECHANIZED WELDING? |
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Definition
| a PROCESSwhere parameters and torch guidance are controlled mechanically or electronically but may be manually varied during welding to matain the specified welding conditions |
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Term
| What gases are used in API 1104,? |
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Definition
| Inert gases,active gases, or mixtures of both. |
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Term
| In any continous 12 inches length of weld, what is the aggregated length of elongated slag inclusions allowed for 30 inch pipe? |
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Definition
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Term
| Which of the following essential variables changes would require a requalification of the welding procedure? |
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Definition
| A change in pipe material group,a change in welding position, and a change in vertical direction of welding. |
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Term
| Any length of internal concavity(IC) found by radiograph is acceptable provided? |
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Definition
| The density of the radiographic image of the IC does NOT exceed that of the thinnest adjacent base material. |
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Term
| A repaired area shall be inspected by what means? |
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Definition
| The same means as for the original weld. |
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Term
| Incomplete fusion due to cold lap(IFD) is defined as? |
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Definition
| A discontinuity between two adjacent weld beads or between the weld metal and base metal that is NOT open to the surface. |
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Term
| The tensile-strength test specimens may be? |
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Definition
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Term
| Which of the following types of defects other than cracks may be repaired WITHOUT prior company authorization? |
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Definition
| Repair of a defect in the cover pass. |
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Term
| To test fillet-welded joints for qualification of a welding procedure for pipe less than 2.375 inches outside diameters requires? |
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Definition
| 4 specimens shall be prepared,two test welds. |
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Term
| Weldingprocedure that was qualified in accordance with alternative acceptance standars for girth welds on a twelve-inch pipe with SMAW welding process is qualified for what other pipe size's in production welding? |
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Definition
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Term
| What is the maximum size height ona 1/2" pipe wall CTOD test,in API 1104 standards for girth welds? |
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Definition
| The maximum imperction height shall be no more than 50% of the pipe's wall thickness.1/2 pipe wall=1/4 inch inperfaction |
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Term
| For girth welds what are some of the predicted fatigue causes? |
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Definition
| Hydrostactic testing,installation stress,where applicable,thermal,seismic, and subsidence stress. |
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Term
| Dynamic loading stress analysis shall include loads from what? |
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Definition
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Term
| To prevent cracking due to welding on a pipeline that is in service, what is used to prevent failures? |
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Definition
| Thermal analysis by computer models. |
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Term
| For welder qualification for in service welding on a longitudinal seam,if the wall thickness is .750" what is the requaired number of specimums to be tested? |
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Definition
| 1-tensile,1 nick break,1 root bend,1 facebend |
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Term
| For hydron cracking to occur, what three things must happen? |
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Definition
| Hydrogen in the weld,the development of a crack-susceptible weld microstructure, and tensile stress acting on the weld. |
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Term
| Burning through is unlikely if? |
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Definition
| The wall thickness is.250" or more,provided that low-hydrogen electrodes are used and normal welding practices are used. |
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