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CSWIP 3.2 Test 6:
Q. 1/30: According to AWS A2.4 a weld symbol for the other side is placed:
Above the dashed line.
Below the dashed line.
Above the solid line.
Below the solid line.
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Q 1/30
Test Progress : 3.33%
Q. 2/30: Which of the following elements is added to steel to give resistance to creep at elevated service temperatures?
Nickel.
Manganese.
Molybdenum.
Aluminium.
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Q 2/30
Test Progress : 6.67%
Q. 3/30: Compound welds:
Always contain full penetration butt welds.
Joints which have combinations of welds made by different welding processes.
Combinations between two different weld types.
All of the above.
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Q 3/30
Test Progress : 10.00%
Q. 4/30: Welding inspectors:
Normally supervise welders.
Are normally requested to write welding procedures.
Are sometimes requested to qualify welders.
All of the above.
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Q 4/30
Test Progress : 13.33%
Q. 5/30: In an arc welding process, which of the following is the correct term used for the amount of weld metal deposited per minute?
Filling rate.
Deposition rate.
Weld deposition.
Weld duty cycle.
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Q 5/30
Test Progress : 16.67%
Q. 6/30: The throat thickness of 19mm fillet weld is?
27.5mm.
24mm.
13.3mm.
12.5mm.
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Q 6/30
Test Progress : 20.00%
Q. 7/30: Pre-heat for steel will increase if:
The material thickness reduces.
Faster welding speeds.
The use of a larger welding electrode.
A reduction in carbon content in the parent material.
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Q 7/30
Test Progress : 23.33%
Q. 8/30: BS EN ISO 17637:
The minimum light illumination required for visual inspection is 350 Lux.
The minimum light illumination required for visual inspection is 500 Lux.
The minimum light illumination required for visual inspection is 600 Lux at not less than 30°.
Doesn’t specify any viewing conditions for visual inspection.
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Q 8/30
Test Progress : 26.67%
Q. 9/30: When considering the MIG/MAG welding process which of the following metal transfer modes would be the most suited to the welding of thick plates over 25mm in PA.
Dip transfer.
Pulse transfer.
Spray transfer.
Globular transfer.
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Q 9/30
Test Progress : 30.00%
Q. 10/30: When considering hydrogen, which of the following welding processes would produce the lowest levels in the completed weld? (under controlled conditions)
MMA.
SAW.
TIG.
FCAW.
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Q 10/30
Test Progress : 33.33%
Q. 11/30: In steel the element with the greatest effect on hardness is:
Chromium.
Manganese.
Carbon.
Nickel.
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Q 11/30
Test Progress : 36.67%
Q. 12/30: Brittle fractures:
The susceptibility in steels will increase with the formation of a fine grain structure.
The susceptibility in steels will increase with a reduction in the in-service temperature to sub-zero conditions.
The susceptibility in steels will increase with a slow cooling rate.
All of the above.
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Q 12/30
Test Progress : 40.00%
Q. 13/30: In a transverse tensile test brittleness would be indicated if:
There is a reduction in cross-section at the position of fracture.
The fracture surface is flat and featureless but has a rough surface.
Fracture occurred in the weld metal.
The fracture face shows beach marks.
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Q 13/30
Test Progress : 43.33%
Q. 14/30: A STRA test is used to measure the:
Tensile strength of the welded joint.
Level of residual stress in butt joints.
Fracture toughness of the HAZ.
Through-thickness ductility of a steel plate (the Z direction).
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Q 14/30
Test Progress : 46.67%
Q. 15/30: A macrosection is particularly good for showing:
a The weld metal HAZ microstructure.
Overlap.
Joint hardness.
Spatter.
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Q 15/30
Test Progress : 50.00%
Q. 16/30: A suitable gas/gas mixture for GMAW of aluminium is:
00%CO2.
100% Argon.
80% argon + 20% CO2.
98% argon + 2% O2.
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Q 16/30
Test Progress : 53.33%
Q. 17/30: A crack running along the centreline of a weld bead could be caused by:
Use of damp flux.
Lack of preheat.
Arc voltage too high.
Weld bead too deep and very narrow.
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Q 17/30
Test Progress : 56.67%
Q. 18/30: The maximum hardness in the HAZ of a steel will increase if:
Heat input is increased.
CEV is increased.
Joint thickness is decreased.
Basic electrodes are used.
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Q 18/30
Test Progress : 60.00%
Q. 19/30: Initiation of a TIG arc using a high frequency spark may not be allowed because it:
Often causes tungsten inclusions.
Can damage electronic equipment.
Is an electrical safety hazard.
Often causes stop/start porosity.
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Q 19/30
Test Progress : 63.33%
Q. 20/30: In friction welding, the metal at the interface when the joining occurs is described as being in the:
aLiquid state.
Intercritical state.
Plastic state.
Elastic state.
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Q 20/30
Test Progress : 66.67%
Q. 21/30: What four criteria are necessary to produce hydrogen induced cold cracking?
Hydrogen, moisture, martensitic grain structure and heat.
Hydrogen, poor weld profiles, temperatures above 200oC and a slow cooling rate.
Hydrogen, a grain structure susceptible to cracking, stress and a temperature below 300oC.
Hydrogen, existing weld defects, stress and a grain structure susceptible to cracking.
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Q 21/30
Test Progress : 70.00%
Q. 22/30: In the welding of austenitic stainless steels, the electrode and plate materials are often specified to be low carbon content. The reason for this:
To prevent the formation of cracks in the HAZ.
To prevent the formation of chromium carbides.
To prevent cracking in the weld.
Minimise distortion.
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Q 22/30
Test Progress : 73.33%
Q. 23/30: Essential variable:
in a WPS may change the properties of the weld.
In a WPS may influence the visual acceptance.
In a WPS may require re-approval of a weld procedure.
All of the above.
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Q 23/30
Test Progress : 76.67%
Q. 24/30: An undesirable property of aluminium oxide residue is that it:
Creates problems when welding in position (vertical, horizontal, overhead).
Requires more heat to melt it when compared with aluminium.
Increases weld pool fluidity.
Decreases weld pool fluidity.
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Q 24/30
Test Progress : 80.00%
Q. 25/30: A welder qualified in the PG position would normally be qualified for welding:
All diameters of pipe.
Welding positions PA, PC, PG, and PF.
In position PG only.
All pipe wall thickness.
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Q 25/30
Test Progress : 83.33%
Q. 26/30: A fabrication calls for the toes to be blended in by grinding.The most likely reason for this is to…
aMake the weld suitable for liquid (dye) penetrant inspection
Improve the fatigue life
reduce residual stresses
improvethe general appearance of the welds
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Q 26/30
Test Progress : 86.67%
Q. 27/30: Which of the following statements is true?
The core wire of an MMA electrode always contains alloying elements.
Basic electrodes are preferred when welding is carried out in situations where porosity free welds are specified.
Rutile electrodes always contain a large proportion of iron powder.
Cellulose electrodes may deposit in excess of 90ml of hydrogen per 100g of weld metal.
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Q 27/30
Test Progress : 90.00%
Q. 28/30: Preheat:
Must always be carried out on steels.
Need not be carried out if post weld heat is to follow.
Is always carried out using gas flames.
None of the above.
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Q 28/30
Test Progress : 93.33%
Q. 29/30: Which element has the greatest effect on general corrosion resistance?
Manganese.
Chromium.
Carbon.
Nickel.
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Q 29/30
Test Progress : 96.67%
Q. 30/30: Which of the following are applicable to fatigue cracking?
A rough randomly torn fracture surface, an initiation point and beach marks.
A smooth fracture surface, an initiation point and beach marks.
Beach marks, step like appearance and a secondary mode of failure.
All of the above.
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Q 30/30
Test Progress : 100.00%
Q. 31/30: Which is the best destructive test for showing lack of sidewall fusion in a 25mm thickness butt weld?
Nick break.
Side bend.
Charpy impact.
Face bend test.
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Q 31/30
Test Progress : 103.33%
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