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CSWIP 3.1 Test 9:
Q. 1/30: Preheating a low alloy steel prior to welding to minimise the risk of:
Porosity
Excessive distortion
HAZ cracking
Lack of fusion
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Q 1/30
Test Progress : 3.33%
Q. 2/30: When a metal regains its original shape when stress acting upon it is removed, the metal is said to have:
Ductility
Plasticity
Malleability
Elasticity
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Q 2/30
Test Progress : 6.67%
Q. 3/30: Which of the following welding processes/technique is likely to be used for the repair welding of localised porosity in butt weld?
MMA, PG position.
Mechanised MAG.
Submerged arc.
None of the above.
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Q 3/30
Test Progress : 10.00%
Q. 4/30: Which of the following welding processes/technique is likely to be used for the repair welding of localised porosity in butt weld?
MMA, PG position.
Mechanised MAG.
Submerged arc.
None of the above.
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Q 4/30
Test Progress : 13.33%
Q. 5/30: Which of the following welding processes/technique is likely to be used for the repair welding of localised porosity in butt weld?
MMA, PG position.
Mechanised MAG.
Submerged arc.
None of the above.
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Q 5/30
Test Progress : 16.67%
Q. 6/30: A code of practice is a:
Standard of workmanship quality only
Set of rules for manufacturing a specific product
Specification for the finished product
Code for the qualification of welding procedures and welders qualifications
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Q 6/30
Test Progress : 20.00%
Q. 7/30: Which of the following is a planar imperfection?
Lack of sidewall fusion
Slag inclusion
Linear porosity
Root concavity
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Q 7/30
Test Progress : 23.33%
Q. 8/30: You notice that MMA electrodes with the flux covering removed are being used as filler rods for TIG welding. This should not be allowed because:
It is wasteful
The rod diameter may be too large
The weld metal composition may be wrong
The rod is too short
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Q 8/30
Test Progress : 26.67%
Q. 9/30: 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 9/30
Test Progress : 30.00%
Q. 10/30: For open site manual metal welding the following equipment is available. Which would you choose for safe site working?
Single operator transformer
Multi operator transformers
AC/DC composite power unit
Diesel engine driven motor generator
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Q 10/30
Test Progress : 33.33%
Q. 11/30: Which mechanical test can be used to measure the toughness of weld metal, HAZ and parent metal?
Macro
Nick Break
Hardness
Charpy impact
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Q 11/30
Test Progress : 36.67%
Q. 12/30: If welding travel speed is doubled but the current and voltage remain the same the heat input will be:
Reduced by 50%
Increased by a factor of two
About the same
Reduced by approximately 25%
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Q 12/30
Test Progress : 40.00%
Q. 13/30: A code of practice is a:
Standard of workmanship quality only
Set of rules for manufacturing a specific product
Specification for the finished product
Code for the qualification of welding procedures and welders qualifications
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Q 13/30
Test Progress : 43.33%
Q. 14/30: A macrosection is particularly good for showing:
The weld metal HAZ microstructure
Overlap
Joint hardness
Spatter
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Q 14/30
Test Progress : 46.67%
Q. 15/30: Which gas shroud should be used when tungsten arc gas shielded welding aluminium alloys?
Nitrogen.
Carbon dioxide.
Argon/carbon dioxide mixture.
Argon.
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Q 15/30
Test Progress : 50.00%
Q. 16/30: 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 16/30
Test Progress : 53.33%
Q. 17/30: Which of the following welding processes/technique is likely to be used for the repair welding of localised porosity in butt weld?
MMA, PG position.
Mechanised MAG.
Submerged arc.
None of the above.
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Q 17/30
Test Progress : 56.67%
Q. 18/30: Typical temperature used for normalising a C-Mn steel plate are:
600-650ºC
1000-1100ºC
700-800ºC
880-920ºC
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Q 18/30
Test Progress : 60.00%
Q. 19/30: For open site manual metal welding the following equipment is available. Which would you choose for safe site working?
Single operator transformer
Multi operator transformers
AC/DC composite power unit
Diesel engine driven motor generator
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Q 19/30
Test Progress : 63.33%
Q. 20/30: 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 20/30
Test Progress : 66.67%
Q. 21/30: Incomplete root penetration in a single V butt joint may be caused by:
Excessive root face
Excessive root gap
The current settings being too low
Both a and c
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Q 21/30
Test Progress : 70.00%
Q. 22/30: If a welding inspector detects a type of imperfection not allowed by the application Standard he must:
Request further NDE
Reject the weld
Prepare a concession request
Reject the weld only is he considers it to be harmful.
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Q 22/30
Test Progress : 73.33%
Q. 23/30: Which group of welders is most likely to require continuous monitoring by a welding inspector?
Concrete shuttering welders
Overland pipeline welders
Tack welders
Maintenance welders
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Q 23/30
Test Progress : 76.67%
Q. 24/30: In TIG welding, what is the benefit of a current slope-out device? It reduces...
Tungsten spatter
Risk of crater cracking
Risk of arc strikes
Interpass temperature
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Q 24/30
Test Progress : 80.00%
Q. 25/30: Changing an essential variable beyond the allowed limits for a qualified welding procedure:
May change the mechanical properties of the joint
May adversely affect the quality of the weld
Will require a new welding procedure to be approved
All of the above
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Q 25/30
Test Progress : 83.33%
Q. 26/30: Lamellar tearing has occurred in a steel fabrication. Before welding could it have been found by:
X-ray examination
Dye penetrant
Ultrasonic examination
It would not have been found by any inspection method
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Q 26/30
Test Progress : 86.67%
Q. 27/30: 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 27/30
Test Progress : 90.00%
Q. 28/30: The current/polarity used for TIG welding of all materials except aluminium and magnesium is:
DC negative
DC positive
AC
Square wave AC
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Q 28/30
Test Progress : 93.33%
Q. 29/30: To measure arc voltage accurately it is recommended that the voltmeter should be connected:
Across the arc and as near as practical to the arc
Across the power source terminals prior to arc initiation
Across the power source terminals during the welding operation
Anywhere in the circuit
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Q 29/30
Test Progress : 96.67%
Q. 30/30: During PWHT of a complex fabrication, it is heated to the soak temperature at a much faster rate than specified by the procedure. This may:
Cause excessive oxidation
Not allow sufficient time to relieve stresses
Introduce excessive compressive stresses
Cause distortion
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Q 30/30
Test Progress : 100.00%
Q. 31/30: 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 31/30
Test Progress : 103.33%
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