Multi choice question
A double-U butt
A single-V butt.
A double-V butt.
It is not normally a defect associated with the MMA welding process.
The distance from the toe to face.
The distance from the root to the toe.
Its 0.7 of the design thickness.
Both b and c
The distance from the toe to the face.
The distance from the root to the face centre.
The distance from the root to the toe.
The distance from toe to toe.
Always contain butt and fillet welds
joints which have combinations of welds made by different welding processes
Combinations between two different weld types
All of the above.
Check the condition of the parent material.
Check the condition of the consumables.
Measure residual stress.
Check calibration certificates.
PG
PE
PC
PA
Another term for concave root.
Another term given for a burn through.
A type of gas pore found in the weld crater.
A shrinkage defect found in the weld crater.
The area containing the HAZ and weld metal.
The weld metal and parent metal.
The boundary between the fusion zone and the HAZ.
The part of the weld which has undergone metallurgical changes due to the heat from welding.
Leg length.
Design throat thickness.
Actual throat thickness.
All of the above.
They are always repaired.
Their existence will result in the removal of the entire weld.
They are not usually as significant as planar defects.
They can only be detected using radiograph .
MMA, PG position.
Mechanised MAG.
Submerged arc.
None of the above.
As close to welding arc as possible.
Anywhere along the welding cable.
Always from the voltmeter on the welding plant.
As near to The welding terminals as possible.
Deep weld craters/crater cracks.
Copper inclusions
Hydrogen cracks
All of the above
Excessive back purge pressure and entrapped gas.
Excessive back purge pressure and very high heat inputs.
Excessive root grinding and a slow travel speed.
Excessive root grinding and excessive back purge pressure.
Always ground flush.
Must always overlap at least 1.5 mm onto the parent material.
Must always be inspected using a crack detection method ( MPI,DPI ).
None of the above can be selected – specification requirements unknown
Carry out normal visual inspection.
Seek advice from higher authority.
Carry out visual inspection.
Re–write the requirements of the specification.
The supervision of welders.
Procedure writing.
Qualifying welders.
All of the above.
Root gap too small.
Travel speed too fast.
Root face too small.
All of the above.
Filling rate.
Deposition rate.
Weld deposition.
Weld duty cycle.
Heat affected zone.
The weld zone
Fusion zone.
All of the above terms may be used.
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