CWB LEVEL2 EXAM 2026/2027|
ADVANCED | LATEST UPDATED |
COMPLETE Q&A
Transverse weld tension test - ANSWERSMeasures strength of welded joints
mechanically.
Laser beam cutting - ANSWERSProvides narrowest heat affected zone in steel.
2G welder test - ANSWERSVertical pipe welded horizontally without rotation.
Crack - ANSWERSUnacceptable imperfection in welds, regardless of size.
Penetrameter thickness - ANSWERS0.0025 for 1.25 inch weldment radiography.
Porosity - ANSWERSCaused by faulty welder technique during welding.
GTAW process - ANSWERSResponsible for irregular white spots on radiographs.
Radiographic Inspection - ANSWERSEmits ionizing radiation, hazardous to health.
Back reflection signal - ANSWERSSignal from opposite side in ultrasonic testing.
Reverse polarity - ANSWERSDC power source with electrode positive.
GTAW inclusions - ANSWERSMetallic inclusions can occur in welds.
Scale drawing - ANSWERS1:50 scale means 6 cm represents 300 cm.
Signal Amplitude - ANSWERSBasis for accepting or rejecting ultrasonic welds.
AC welding circuit - ANSWERSHelps eliminate arc blow during welding.
Notched Bar Impact Test - ANSWERSAssesses steel's resistance to brittle fracture.
E4924 electrode - ANSWERSRestricted to horizontal and flat welding positions.
Impact test specimen - ANSWERSUsed to determine material's resistance to failure.
E4918 electrode - ANSWERSBest for welding high sulphur steels flat.
, Vee Groove weld - ANSWERSMade with bevel cuts on steel plates.
Throat side - ANSWERSUsed for measuring concave faced fillet welds.
Backing gas - ANSWERSPrevents root oxide contamination in welds.
Transverse crack - ANSWERSCrack perpendicular to the weld length.
Basic electrode - ANSWERSE4916 is classified as a basic electrode.
Short Circuit Transfer - ANSWERSUsed with constant potential power sources.
Toughness - ANSWERSDetermined by conducting an impact test.
Liquid penetrant inspection - ANSWERSInvolves applying developer after penetrant
removal.
Carbon and manganese - ANSWERSElements affecting carbon equivalent and
weldability.
Tensile stress - ANSWERS12,000 psi in 2x2 inch steel bar.
Oxygen-acetylene - ANSWERSGases used for flame cutting ferrous materials.
Slag vs. tungsten inclusions - ANSWERSSlag appears as white spots on radiographs.
Stress relief - ANSWERSUsed to control welding distortion in special cases.
Double bevel groove weld - ANSWERSIdentified when one plate has two bevels.
Arc blow - ANSWERSPhenomenon encountered with DC power sources.
Insufficient throat - ANSWERSDoes not fit established welding problem patterns.
DCSP - ANSWERSAllows GTAW electrodes to carry higher current.
Material type - ANSWERSChecked by inspectors for drawing conformity.
Metallographic test - ANSWERSLeast informative for fluctuating load resistance.
Flux cored arc welding - ANSWERSCan operate with or without shielding gas.
Calibration block - ANSWERSUsed to check ultrasonic angle beam probes.
E308ELC electrode - ANSWERSMost suitable for welding type 304 stainless steel.
ADVANCED | LATEST UPDATED |
COMPLETE Q&A
Transverse weld tension test - ANSWERSMeasures strength of welded joints
mechanically.
Laser beam cutting - ANSWERSProvides narrowest heat affected zone in steel.
2G welder test - ANSWERSVertical pipe welded horizontally without rotation.
Crack - ANSWERSUnacceptable imperfection in welds, regardless of size.
Penetrameter thickness - ANSWERS0.0025 for 1.25 inch weldment radiography.
Porosity - ANSWERSCaused by faulty welder technique during welding.
GTAW process - ANSWERSResponsible for irregular white spots on radiographs.
Radiographic Inspection - ANSWERSEmits ionizing radiation, hazardous to health.
Back reflection signal - ANSWERSSignal from opposite side in ultrasonic testing.
Reverse polarity - ANSWERSDC power source with electrode positive.
GTAW inclusions - ANSWERSMetallic inclusions can occur in welds.
Scale drawing - ANSWERS1:50 scale means 6 cm represents 300 cm.
Signal Amplitude - ANSWERSBasis for accepting or rejecting ultrasonic welds.
AC welding circuit - ANSWERSHelps eliminate arc blow during welding.
Notched Bar Impact Test - ANSWERSAssesses steel's resistance to brittle fracture.
E4924 electrode - ANSWERSRestricted to horizontal and flat welding positions.
Impact test specimen - ANSWERSUsed to determine material's resistance to failure.
E4918 electrode - ANSWERSBest for welding high sulphur steels flat.
, Vee Groove weld - ANSWERSMade with bevel cuts on steel plates.
Throat side - ANSWERSUsed for measuring concave faced fillet welds.
Backing gas - ANSWERSPrevents root oxide contamination in welds.
Transverse crack - ANSWERSCrack perpendicular to the weld length.
Basic electrode - ANSWERSE4916 is classified as a basic electrode.
Short Circuit Transfer - ANSWERSUsed with constant potential power sources.
Toughness - ANSWERSDetermined by conducting an impact test.
Liquid penetrant inspection - ANSWERSInvolves applying developer after penetrant
removal.
Carbon and manganese - ANSWERSElements affecting carbon equivalent and
weldability.
Tensile stress - ANSWERS12,000 psi in 2x2 inch steel bar.
Oxygen-acetylene - ANSWERSGases used for flame cutting ferrous materials.
Slag vs. tungsten inclusions - ANSWERSSlag appears as white spots on radiographs.
Stress relief - ANSWERSUsed to control welding distortion in special cases.
Double bevel groove weld - ANSWERSIdentified when one plate has two bevels.
Arc blow - ANSWERSPhenomenon encountered with DC power sources.
Insufficient throat - ANSWERSDoes not fit established welding problem patterns.
DCSP - ANSWERSAllows GTAW electrodes to carry higher current.
Material type - ANSWERSChecked by inspectors for drawing conformity.
Metallographic test - ANSWERSLeast informative for fluctuating load resistance.
Flux cored arc welding - ANSWERSCan operate with or without shielding gas.
Calibration block - ANSWERSUsed to check ultrasonic angle beam probes.
E308ELC electrode - ANSWERSMost suitable for welding type 304 stainless steel.
