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    CSWIP Module Re-Exam

    Uploaded by

    Ahmad Khalimi Ilmawan
    This document contains 56 paragraphs that provide information on welding processes, materials, parameters, tests, standards and defects. It discusses topics such as electrode classifications, welding positions, heat inputs, non-destructive testing methods, preheat requirements, weld symbols and specifications. The document serves as a reference for welding terms, conditions, quality control and codes.

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    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd

    CSWIP Module Re-Exam

    Uploaded by

    Ahmad Khalimi Ilmawan
    378 views2 pages
    This document contains 56 paragraphs that provide information on welding processes, materials, parameters, tests, standards and defects. It discusses topics such as electrode classifications, welding positions, heat inputs, non-destructive testing methods, preheat requirements, weld symbols and specifications. The document serves as a reference for welding terms, conditions, quality control and codes.

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    CSWIP

    Original Title

    CSWIP Module Re-exam

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    © © All Rights Reserved

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    This document contains 56 paragraphs that provide information on welding processes, materials, parameters, tests, standards and defects. It discusses topics such as electrode classifications, welding positions, heat inputs, non-destructive testing methods, preheat requirements, weld symbols and specifications. The document serves as a reference for welding terms, conditions, quality control and codes.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    378 views2 pages

    CSWIP Module Re-Exam

    Uploaded by

    Ahmad Khalimi Ilmawan
    This document contains 56 paragraphs that provide information on welding processes, materials, parameters, tests, standards and defects. It discusses topics such as electrode classifications, welding positions, heat inputs, non-destructive testing methods, preheat requirements, weld symbols and specifications. The document serves as a reference for welding terms, conditions, quality control and codes.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
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    MMA electrode classified 6013 AWS 5.1 is Rutile.


    Polarity yang biasa dipakai GTAW / TIG Aluminium is AC.
    Fillet ( TT ) 10 mm minimum , leg length 14 mm.
    Number 111 pada BS 22553 process weld SMAW / MMA.
    Alloy element yang dipakai untuk meningkatkan toughness is Mg.
    When MIG welder WFS proportional to Welding Current.
    Typical temperature untuk stress relief Carbon Mg Steel is 580 620 Deg C.
    Type untuk submerged arc flux yang sharp is Aglomered.
    Electrode yang diklasifikasikan dalam BS499 E35 3B, YS 350 N / mm2.
    Large diameter pipe 10 dipakai pada daerah cross country pipeline, electrode yang dipakai
    Cellulose.
    NDT method pakai Yoke is MPI.
    Transverse tensile test dari weld joint memberikan nilai : UTS.
    Welding CMg steel dengan low heat input welding menghasilkan : high hardness.
    Pada dwg dengan simbul BS 22553, 5mm leg length dipakai symbol Z5.
    Pemakaian stabilized stainless steel akan mengurangi : Weld Decay.
    Output characteristic typical GMAW is constant voltage.
    Standard welder approved is BS EN 287.
    Steel yang di design dengan Z quality is TTD value higher 20%.
    Penetrating power X-ray is Kv.
    The included angle used for MMA Weld, 15mm Thk, Single V Butt, biasa dipakai 70 Deg.
    Which of the following is not fusion weld process is Friction Weld.
    Typical backing temperature basic temp low hydrogen electrode : 350 Deg C.
    Burn trough terjadi karena : current is too high.
    Weldmen in CMg steel make using high input higher than spec by WPS menunjukan : Low
    toughness
    Which of following type imperfection : surface breaking planar.
    Standard oxy pure gas cut equipment is CS.
    Kalau menukur arc voltage dimana tempat yang paling bagus : as closed the arc voltage.
    Which of the following MMA electrode type yang dipakai untuk PA, PB position is Iron
    Powder.
    Polarity untuk TIG weld stainless steel is DC ( - ) sedangkan Aluminium AC.
    Typical temperature untuk Normalizing carbon steel is 920 Deg C.
    From the examination of fracture brittle future can be identified by : Flat and Rough.
    Parameter yang mana influence heat input is Travel Speed.
    Electrode BS 499 E35 3B is Basic Type.
    Pipeline cross country method untuk mendeteksi root defect is UT.
    Main reason for preheating steel is drive out moisture of the plate.
    STRA memberikan indikasi succesfuly Lameral Tearing.
    The main reason hard stamp dilarang pada sub-surface is stress concentration.
    Plasma cutting dipakai untuk Austenic Stainless Steel.
    Defect apa yang tidak bisa di deteksi oleh PT is Brief planar flow.
    Standard untuk approved WPS is EN 15614.
    CeV dipakai untuk menentukan kebutuhan PWHT.
    Singkatan WPS yang dipakai untuk proposed qualified is PQWPS : Pre-eliminairy WPS.
    Yang paling besar mempengaruhi finish surface SAW weld profile is Arc Voltage.
    Tungsten electrode dipakai di TIG carbon steel small content is Thoria.
    What element yang menyebabkan carbon steel weld from hot shortness is Sulfur..
    According AWS 2.4 Weld symbol below ref line : Weld arrow side.
    HS and CP. ( hot sulfur, cold phosphor )
    H ( high ) = GD ( high ) , CSTHB, Cev , Preheat ( low ). Heat Input, Grain Size, Ductile,
    Cooling, Strength, Toughness, Hardness, Brittle, Carbon Equivalent.
    H ( low ) = GD ( low ), CSTHB, Cev , Preheat ( high ).
    C ( 0, 1 ) ; R ( 2, 3, 4 ) ; B ( 5, 6, 7, 8 ). Cellulose, Rutile, Basic.
    MMA ( 111 ), SAW ( 121 ), MIG ( 131 ), MAG ( 135 ), FCAW ( 136 ), TIG ( 141 ).
    Cooling ( high ) = Haz ( low ) ; Cooling ( low ) = Haz ( high )

    53. EN 287 WQT, EN 288 & 15614 WPS, EN 499 Electrode, EN 970 NDE and Visual, EN
    22553 Weld Symbol.
    54. Constant current / drooping characteristic pada : SMAW / MMA, TIG / GTAW, dan SAW >
    1000 Ampere.
    55. Constant voltage / Flat characteristic pada : MIG, MAG, FCAW, dan SAW < 1000 Ampere.
    56. Arc length, WFS, Burn of rate, Current, heat input ( all proportionally / saling berhubungan /
    parallel ).

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    Half life is the time of reduction energy of isotop.


    The biggest half life is cobalt.
    HI formula : ( A x V x 60 ) / ( Travel Speed, mm / sec x 1000 ) = Kj.
    Leg length : a = z x 0.7 : z = a / 0.7.
    Charpy V Notch is result absorb energy in joule and the appearance is brittle or ductile.
    E 35 3.B etc, 35 is 350 N / mm2 Yield Strength.
    Distance for visual is 600 mm / 60 cm for eyes to test piece.
    Lighting minimum illumination is 350 up to 500 Lux.
    Tack weld is length of it maybe mentioned in specification.
    High heat input decrease of toughness.
    Low heat input increase of hardness.
    Elongation : ( increase gauge length x 100% ) / Original gauge length.
    OCV : should not exceed than 100V, usually 50 90V, OCV is the voltage requirement to initiate
    arc. Arc voltage : voltage requirement to maintain the arc during welding.
    Burn trough caused by small root face.
    X-ray power from isotop depend on the Curi / Kev.
    WPS.
    Reason DC change to AC for aluminium to avoid alloy.
    Plate 100 mm CMn used welding MMA need preheat 100 150 Deg C.
    Vacum package electrode is no bake.
    Stud Weld is the non fusion weld type.
    Leg length symbol for BS EN 22553 is Z .
    STRA is for Z direction Tension Test.
    Cellulose cover tendency.
    SAW Flux is Fused.
    DT type is qualitative and quantitative.
    Alloying element for toughness is add C + Mn.
    Preheat increase for toughness.
    Hydrogen crack at temp.
    Visual standard EN 970.
    Advantage RT over UT.
    Wrong electrode is noted.
    DC ( + ) to DC ( - ) advantage is weld deposited rate higher.

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