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CSWIP 3.1 Test 12:
Q. 1/30: The strength of a fillet weld is determined by:
Leg length
Weld profile
Weld width
Throat thickness
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Q 1/30
Test Progress : 3.33%
Q. 2/30: An arc strike (stray flash) on a steel component is regarded by some codes as unacceptable because:
It will cause copper contamination
It may cause hard spots
It may give cracking
Both B and C
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Q 2/30
Test Progress : 6.67%
Q. 3/30: Which of the following defects is unlikely to be found by visual inspection.
A) Linear misalignment
Undercut
Overlap
D) Linear slag inclusion
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Q 3/30
Test Progress : 10.00%
Q. 4/30: For MMA welding of a 60mm wall nozzle to a 100mm wall vessel shell, preheat temperatures should be checked:
Before welding starts/restarts
On the shell and nozzle
At points at least 75mm from the joint edge
All of the above
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Q 4/30
Test Progress : 13.33%
Q. 5/30: A butt joint has how many toes?
2
4
0
1
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Q 5/30
Test Progress : 16.67%
Q. 6/30: A penertrameter (IQI) is used to measure the:
Size of discontinuity in a weld joint
Density of a radiographic film
Degree of film contrast
Quality of the radiographic technique
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Q 6/30
Test Progress : 20.00%
Q. 7/30: Proof stress is used when non-ferrous metals are undergoing tensile tests to determine the equivalent Yield strength
True
False
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Q 7/30
Test Progress : 23.33%
Q. 8/30: Compound welds:
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.
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Q 8/30
Test Progress : 26.67%
Q. 9/30: What should happen to spatter before visual inspection is carried out?
Spatter is not a problem for visual inspection
Spatter that is more than 2 mm need not be cleaned for visual inspection
Spatter should be cleaned off before visual inspection
Spatter will not have any affect on the weld or the base material
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Q 9/30
Test Progress : 30.00%
Q. 10/30: A C-Mn steel is being welded by MMA and the electrode run-out lengths that have been used are much shorter than specified by the WPS. This deviation may give:
Increased risk of hydrogen cracking
Increased risk of solidification cracking
Lower values of HAZ toughness
Higher values of HAZ hardness
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Q 10/30
Test Progress : 33.33%
Q. 11/30: You notice manual metal arc electrodes, stripped of flux, are being used as filler wire for TIG welding. You would object because:
It is too expensive
The wire would be too thick
The metal composition may be wrong
The wire is too short
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Q 11/30
Test Progress : 36.67%
Q. 12/30: Nick break and fillet fracture tests are used for assessing:
Weld quality
Weld metal ductility
Weld metal toughness
Resistance to fracture
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Q 12/30
Test Progress : 40.00%
Q. 13/30: Which of the following AWS A5.1 electrodes has a rutile covering:
E 6010
E 7016
E 7018
E 6013
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Q 13/30
Test Progress : 43.33%
Q. 14/30: Proof stress is used when non-ferrous metals are undergoing tensile tests to determine the equivalent:
Tenacity
Elasticity
Yield strength
Tensile strength
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Q 14/30
Test Progress : 46.67%
Q. 15/30: The European Standard for NDE of fusion welds by visual examination is:
EN 288
EN 499
EN 287
EN 970
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Q 15/30
Test Progress : 50.00%
Q. 16/30: According to BS EN 22553 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 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: Which of the following cutting methods is suitable for cutting stainless steel?
Plasma
Oxy-acetylene
Oxy-propane
It depends upon the thickness.
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Q 18/30
Test Progress : 60.00%
Q. 19/30: Which physical test is more likely to reveal HAZ embrittlement?
Transverse tensile.
All weld tensile.
Root bend.
Charpy impact.
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Q 19/30
Test Progress : 63.33%
Q. 20/30: Which of the following procedures would be expected to produce the least distortion in a 15mm straight butt weld?
TIG weld, single-sided, multi-pass
MMA weld, single-sided, multi-pass
MMA weld, double-sided, multi-pass
SAW weld, 1 pass per side
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Q 20/30
Test Progress : 66.67%
Q. 21/30: The predominant structure of hyper-eutectoid steel that has been quenched at above its upper critical point will be:
Austenite
Martensite
Troostite
Sorbite
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Q 21/30
Test Progress : 70.00%
Q. 22/30: In the MMA welding process, which of the following is most likely to be caused by a welder with a poor technique?
Deep weld craters/crater cracks.
Copper inclusions
Hydrogen cracks
All of the above
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Q 22/30
Test Progress : 73.33%
Q. 23/30: For fillet welds it is normal practice in the UK and USA to measure:
Throat thickness
Leg lengths
Penetration depths
Both a and c
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Q 23/30
Test Progress : 76.67%
Q. 24/30: In the MMA welding process, which of the following is most likely to be caused by a welder with a poor technique?
Deep weld craters/crater cracks.
Copper inclusions
Hydrogen cracks
All of the above
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Q 24/30
Test Progress : 80.00%
Q. 25/30: In the MMA welding process, which of the following is most likely to be caused by a welder with a poor technique?
Deep weld craters/crater cracks.
Copper inclusions
Hydrogen cracks
All of the above
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Q 25/30
Test Progress : 83.33%
Q. 26/30: A Fabrication procedure calls for the toes of all welds to be blended in by grinding. The reason for this is to:
Make the weld suitible for liquid (dye) penetrant inspection.
Improve fatigue life.
Reduce residual stresses
Improve the general appearance of the welds
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Q 26/30
Test Progress : 86.67%
Q. 27/30: Slag inclusions may be present in
Manual metal arc welds
Metal inert gas welds
Metal active gas welds
All welds
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Q 27/30
Test Progress : 90.00%
Q. 28/30: The chemical composition of the weld metal deposited by a C-Mn steel MMA electrode is usually controlled by:
Core wire composition
Additions in the flux coating
Iron powder in the flux coating
Dilution from the base material
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Q 28/30
Test Progress : 93.33%
Q. 29/30: The dip transfer or short-circuiting mode of metal transfer used for MIG/MAG welding is characterized by:
Giving deep penetration
Being suitable for positional welding
Giving low spatter
Giving high deposition
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Q 29/30
Test Progress : 96.67%
Q. 30/30: Preheating for arc welding applies to:
Assembly welding only
Assembly and tack welding
Joints over 25 mm thick only
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Q 30/30
Test Progress : 100.00%
Q. 31/30: A typical included angle for MMA welding a full penetration pipe butt joint is:
35º
70º
90º
Dependent on the pipe diameter
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Q 31/30
Test Progress : 103.33%
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