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CSWIP 3.1 Test 10:
Q. 1/30: What is the term given for the area of a welded joint outside the weld metal that has undergone microstructural changes?
Heat affected zone.
The weld zone
Fusion zone.
All of the above terms may be used.
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Q 1/30
Test Progress : 3.33%
Q. 2/30: 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 2/30
Test Progress : 6.67%
Q. 3/30: You are to oversee the arc welding of some machine fittings and find that they are cadmium plated. Would you:
Permit it to proceed
Permit it to proceed with fume extraction
Stop the operation at once
Advise the welder to drink milk and proceed
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Q 3/30
Test Progress : 10.00%
Q. 4/30: What meant by the term crater pipe:
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.
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Q 4/30
Test Progress : 13.33%
Q. 5/30: Z=1.414 x a, this formula is not valid for which type of fillet weld
Mitre type
Convex Type
Concave Type
Valid for all type of fillets
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Q 5/30
Test Progress : 16.67%
Q. 6/30: What meant by the term crater pipe:
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.
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Q 6/30
Test Progress : 20.00%
Q. 7/30: What meant by the term crater pipe:
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.
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Q 7/30
Test Progress : 23.33%
Q. 8/30: Which of the following is a planar imperfection?
Lack of sidewall fusion
Slag inclusion
Linear porosity
Root concavity
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Q 8/30
Test Progress : 26.67%
Q. 9/30: The principal purpose of a welder qualification test is to:
Test the skill of the welder
Assess the weldability of the materials
Decide which NDT methods to use
Give the welder practice before doing production welding
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Q 9/30
Test Progress : 30.00%
Q. 10/30: Which type of electrode is used for stovepipe welding for overland pipeline construction
Rutile
Cellulosic
High recovery rutile
Acid-rutile
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Q 10/30
Test Progress : 33.33%
Q. 11/30: Which of the following butt-weld preparations is usually the most susceptible to lack of sidewall fusion during the manual arc process?
A double-U butt
A single-V butt.
A double-V butt.
It is not normally a defect associated with the MMA welding process.
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Q 11/30
Test Progress : 36.67%
Q. 12/30: One of the following alloys is non-magnetic - which?
4.0% chromium molybdenum
12.0% chromium
Austenitic stainless steel
9.0% nickel steel
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Q 12/30
Test Progress : 40.00%
Q. 13/30: The majority of welder qualification tests are carried out using unbacked electrode because:
It is quicker and cheaper if back-gouging is not required.
If the welding process is not TIG. back purging is not required.
All welder qualification tests are done on a small diameter pipe.
It requires more skill and increases the welders' qualification range.
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Q 13/30
Test Progress : 43.33%
Q. 14/30: 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 14/30
Test Progress : 46.67%
Q. 15/30: A solid inclusion in a weld may be:
Entrapped slag
Entrapped gas
Lack of inter-run fusion
None of the above.
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Q 15/30
Test Progress : 50.00%
Q. 16/30: 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 16/30
Test Progress : 53.33%
Q. 17/30: Which type of fillet weld is preferred for cyclic loading conditions?
Mitre Type
Convex Type
Concave Type
Any of the above
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Q 17/30
Test Progress : 56.67%
Q. 18/30: The highest and lowest heat input positions are considered to be:
PB highest; PA lowest.
PE highest; PC lowest.
PD highest; PB lowest.
PF highest; PG lowest.
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Q 18/30
Test Progress : 60.00%
Q. 19/30: Which of the following defects would you not expect to find by visual inspection of welds?
Overlap.
Linear misalignment.
Linear slag inclusions.
Undercut.
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Q 19/30
Test Progress : 63.33%
Q. 20/30: What meant by the term crater pipe:
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.
Please select an option and click submit.
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Q 20/30
Test Progress : 66.67%
Q. 21/30: The main cause of undercut is
Excessive amps.
Excessive OCV
Excessive travel speed
Current too low
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Q 21/30
Test Progress : 70.00%
Q. 22/30: A macrosection is particularly good for showing:
The weld metal HAZ microstructure
Overlap
Joint hardness
Spatter
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Q 22/30
Test Progress : 73.33%
Q. 23/30: One of the following alloys is non-magnetic:
4.0% chromium molybdenum
12.0% chromium
Austenitic stainless steel
9.0% nickel steel
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Q 23/30
Test Progress : 76.67%
Q. 24/30: The three main types of MMA electrodes used for welding C and C-Mn steels are:
Basic, cellulosic and rutile
Neutral, cellulosic and rutile
Basic, cellulosic and neutral
Rutile, low hydrogen and basic
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Q 24/30
Test Progress : 80.00%
Q. 25/30: In friction welding, the metal at the interface when the joining occurs is describes as being in the:
Liquid state
Intercritical state
Plastic state
Elastic state
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Q 25/30
Test Progress : 83.33%
Q. 26/30: One purpose of a microscopic examination of a weld is to establish the:
Strength of the weld
Number of alloying elements
Grain size
Number of runs used
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Q 26/30
Test Progress : 86.67%
Q. 27/30: A burn-through may occur if the:
Current is too low
Root face is too large
Root gap is too large
Arc voltage is too high
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Q 27/30
Test Progress : 90.00%
Q. 28/30: The surface of a fatigue crack will:
Be rough and torn
Have sharp chevron markings
Be smooth
Have shear lips
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Q 28/30
Test Progress : 93.33%
Q. 29/30: The use of low carbon austenitic stainless steels and stabiliser stainless steels will minimise the risk of:
HAZ cracking
Weld decay
Weld metal cracking
Distortion
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Q 29/30
Test Progress : 96.67%
Q. 30/30: What determines the penetrating power of gammer rays?
Time
Type of isotope
Source-to-film-distance
Source strength
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Q 30/30
Test Progress : 100.00%
Q. 31/30: When weld metal refinement takes place in a multi-run deposit, it is known by the term:
Weld annealing
Weld normalising
Weld refining
Weld recrystallisation
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Q 31/30
Test Progress : 103.33%
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