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CSWIP 3.2 Test 4:
Q. 1/30: Tungsten electrodes are considered consumables. Therefore, it is crucial that they are used correctly. Which of the following statements is correct concerning Tungstenelectrodes?
Zirconiated electrodes are used on DC negative as they concentrate the arc
Zirconiated electrodes are used on AC as they can withstand more heat on the positive cycle
Zirconiated electrodes are multi purpose for use on DC and AC
Zirconiated electrodes are designed to be used with a long taper preparation.
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Q 1/30
Test Progress : 3.33%
Q. 2/30: 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 2/30
Test Progress : 6.67%
Q. 3/30: Which of the following would be cause for rejection by most fabrication standards when inspecting fillet welds with undercut, a small amount of?
Depth.
Length.
Width.
Sharpness.
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Q 3/30
Test Progress : 10.00%
Q. 4/30: The European Standard for NDE of fusion welds by visual examination is:
BS EN ISO 15614.
BS EN ISO 2560.
BS EN 287.
BS EN ISO 17637.
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Q 4/30
Test Progress : 13.33%
Q. 5/30: When visually inspecting the face of a finished weld which of the following flaws would be considered the most serious:
Excess weld metal height.
Start porosity.
Spatter.
Arc strikes.
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Q 5/30
Test Progress : 16.67%
Q. 6/30: Which of the following is a planar imperfection?
Lack of sidewall fusion.
Slag inclusion.
Linear porosity.
Root concavity.
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Q 6/30
Test Progress : 20.00%
Q. 7/30: A fillet weld has an actual throat thickness of 8mm and a leg length of 7mm, what is the excess weld metal?
2.1mm.
1.8mm.
3.1mm.
1.4mm.
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Q 7/30
Test Progress : 23.33%
Q. 8/30: BS EN ISO 17637 allows the use of a magnifying glass for visual inspection, but recommends that the magnification is:
x2.
x2 to x5.
x5 to x10.
Not greater than x20.
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Q 8/30
Test Progress : 26.67%
Q. 9/30: A WPS may specify a maximum width for individual weld beads (weave width) when welding C-Mn steels. If the width is exceeded it may cause:
Lack of inter-run fusion.
A reduction in HAZ toughness.
Lack of sidewall fusion.
Too low a deposition rate.
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Q 9/30
Test Progress : 30.00%
Q. 10/30: In TIG welding a current slope-out device reduces:
Tungsten spatter.
Risk of crater cracking.
Risk of arc strikes.
Interpass temperature.
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Q 10/30
Test Progress : 33.33%
Q. 11/30: Pipe bores of some materials must be purged with argon before and during TIG welding to:
Prevent linear porosity.
Prevent burn-through.
Prevent oxidation of the root bead.
Eliminate moisture pick-up in the root bead.
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Q 11/30
Test Progress : 36.67%
Q. 12/30: 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 12/30
Test Progress : 40.00%
Q. 13/30: 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 13/30
Test Progress : 43.33%
Q. 14/30: 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 14/30
Test Progress : 46.67%
Q. 15/30: 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 15/30
Test Progress : 50.00%
Q. 16/30: 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 16/30
Test Progress : 53.33%
Q. 17/30: The throat thickness of 19mm fillet weld is?
27.5mm.
24mm.
13.3mm.
12.5mm.
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Q 17/30
Test Progress : 56.67%
Q. 18/30: 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 18/30
Test Progress : 60.00%
Q. 19/30: What is the maximum allowable linear misalignment for 8mm material if the code states the following, ‘Linear misalignment is permissible if the maximum dimension does not exceed 10% of t up to a maximum of 2mm’?
0.8mm.
2mm.
8mm.
None of the above, insufficient information provided.
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Q 19/30
Test Progress : 63.33%
Q. 20/30: 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 20/30
Test Progress : 66.67%
Q. 21/30: Which of the following electrodes and current types may be used for the TIG welding of nickel and its alloys?
Cerium electrode, DC –ve.
Zirconium electrode, AC.
Thorium electrode, DC +ve.
All of the above may be used.
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Q 21/30
Test Progress : 70.00%
Q. 22/30: 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 22/30
Test Progress : 73.33%
Q. 23/30: 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 23/30
Test Progress : 76.67%
Q. 24/30: In steel the element with the greatest effect on hardness is:
Chromium.
Manganese.
Carbon.
Nickel.
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Q 24/30
Test Progress : 80.00%
Q. 25/30: 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 25/30
Test Progress : 83.33%
Q. 26/30: Which of the following steels is considered non-magnetic?
18%Cr, 8%Ni.
2.25Cr 1Mo.
9%Cr,1Mo.
9%Ni.
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Q 26/30
Test Progress : 86.67%
Q. 27/30: 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 27/30
Test Progress : 90.00%
Q. 28/30: 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 28/30
Test Progress : 93.33%
Q. 29/30: A macrosection is particularly good for showing:
a The weld metal HAZ microstructure.
Overlap.
Joint hardness.
Spatter.
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Q 29/30
Test Progress : 96.67%
Q. 30/30: 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 30/30
Test Progress : 100.00%
Q. 31/30: 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 31/30
Test Progress : 103.33%
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