CSWIP 3.1 Part 5
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Multi choice question
- 1.Which of the following butt-weld preparations is usually the most susceptible to lack of sidewall fusion during the manual arc process?
- A.
A double-U butt
- B.
A single-V butt.
- C.
A double-V butt.
- D.
It is not normally a defect associated with the MMA welding process.
- 2.
- A.
The distance from the toe to face.
- B.
The distance from the root to the toe.
- C.
Its 0.7 of the design thickness.
- D.
Both b and c
- 3.What is the thickness of a fillet weld ( equal leg lengths )?
- A.
The distance from the toe to the face.
- B.
The distance from the root to the face centre.
- C.
The distance from the root to the toe.
- D.
The distance from toe to toe.
- 4.Compound welds:
- A.
Always contain butt and fillet welds
- B.
joints which have combinations of welds made by different welding processes
- C.
Combinations between two different weld types
- D.
All of the above.
- 5.A duty not normally undertaken by a welding inspector is to:
- A.
Check the condition of the parent material.
- B.
Check the condition of the consumables.
- C.
Measure residual stress.
- D.
Check calibration certificates.
- 6.Under most conditions which of the following welding positions will deposit the most weld metal.
- A.
PG
- B.
PE
- C.
PC
- D.
PA
- 7.What meant by the term crater pipe:
- A.
Another term for concave root.
- B.
Another term given for a burn through.
- C.
A type of gas pore found in the weld crater.
- D.
A shrinkage defect found in the weld crater.
- 8.What is meant by the term weld junction?
- A.
The area containing the HAZ and weld metal.
- B.
The weld metal and parent metal.
- C.
The boundary between the fusion zone and the HAZ.
- D.
The part of the weld which has undergone metallurgical changes due to the heat from welding.
- 9.The strength of a fillet weld is primary controlled by:
- A.
Leg length.
- B.
Design throat thickness.
- C.
Actual throat thickness.
- D.
All of the above.
- 10.Which of the following is applicable for none planar defects?
- A.
They are always repaired.
- B.
Their existence will result in the removal of the entire weld.
- C.
They are not usually as significant as planar defects.
- D.
They can only be detected using radiograph .
- 11.Which of the following welding processes/technique is likely to be used for the repair welding of localised porosity in butt weld?
- A.
MMA, PG position.
- B.
Mechanised MAG.
- C.
Submerged arc.
- D.
None of the above.
- 12.When measuring the welding parameters with the MMA welding process for the purpose of approving a welding procedure, the welding Inspector should measure the voltage:
- A.
As close to welding arc as possible.
- B.
Anywhere along the welding cable.
- C.
Always from the voltmeter on the welding plant.
- D.
As near to The welding terminals as possible.
- 13.In the MMA welding process, which of the following is most likely to be caused by a welder with a poor technique?
- A.
Deep weld craters/crater cracks.
- B.
Copper inclusions
- C.
Hydrogen cracks
- D.
All of the above
- 14.Root concavity is caused by:
- A.
Excessive back purge pressure and entrapped gas.
- B.
Excessive back purge pressure and very high heat inputs.
- C.
Excessive root grinding and a slow travel speed.
- D.
Excessive root grinding and excessive back purge pressure.
- 15.When inspecting a critical component, the toes of a weld must be:
- A.
Always ground flush.
- B.
Must always overlap at least 1.5 mm onto the parent material.
- C.
Must always be inspected using a crack detection method ( MPI,DPI ).
- D.
None of the above can be selected – specification requirements unknown
- 16.When carrying out visual inspection, the specification makes no mention of the requirements for visual inspection, in this situation what shroud you do?
- A.
Carry out normal visual inspection.
- B.
Seek advice from higher authority.
- C.
Carry out visual inspection.
- D.
Re–write the requirements of the specification.
- 17.Under most circumstances, which of the following do you consider to be duties of a welding inspector?
- A.
The supervision of welders.
- B.
Procedure writing.
- C.
Qualifying welders.
- D.
All of the above.
- 18.18. Which of the following is most likely to cause a burn through.
- A.
Root gap too small.
- B.
Travel speed too fast.
- C.
Root face too small.
- D.
All of the above.
- 19.In an arc welding process, which of the following is the correct term used for the amount of weld metal deposited per minute?
- A.
Filling rate.
- B.
Deposition rate.
- C.
Weld deposition.
- D.
Weld duty cycle.
- 20.What is the term given for the area of a welded joint outside the weld metal that has undergone microstructural changes?
- A.
Heat affected zone.
- B.
The weld zone
- C.
Fusion zone.
- D.
All of the above terms may be used.
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