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CSWIP 3.1 Test 17:
Q. 1/30: The strength of a fillet weld is primary controlled by:
Leg length.
Design throat thickness.
Actual throat thickness.
All of the above.
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Q 1/30
Test Progress : 3.33%
Q. 2/30: For GMAW the burn-off rate of the wire is directly related to:
Stick-out length
Wire feed speed
Arc voltage
Travel speed
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Q 2/30
Test Progress : 6.67%
Q. 3/30: Pre-heating a carbon steel manual metal arc welding is carried out to minimize the risk of:
Scattered porosity
Worm hole porosity
Parent metal cracking
Lack of penetration
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Q 3/30
Test Progress : 10.00%
Q. 4/30: 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 4/30
Test Progress : 13.33%
Q. 5/30: A welder approval certificate should be withdrawn if:
He has not done any welding for 4 months
He has been absent from work for 7 months
The repair rate for his work exceeds 1%
His work has been examined by UT only
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Q 5/30
Test Progress : 16.67%
Q. 6/30: When weld metal refinement takes place in a multi-run deposit, it is known by the term:
Weld annealing
Weld refining
Weld normalising
Weld recrystallisation
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Q 6/30
Test Progress : 20.00%
Q. 7/30: Which of the following fillet welds is the strongest assuming they are all made of the same material and welded using the same WPS?
8mm throat of a mitre fillet
7mm leg + 2mm excess weld metal
Mitre fillet with 10mm leg
Concave fillet with 11mm leg.
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Q 7/30
Test Progress : 23.33%
Q. 8/30: 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 8/30
Test Progress : 26.67%
Q. 9/30: Which of the following is associated with SAW more often than it is with MMA welds?
Hydrogen cracking in the HAZ
Solidification cracking in the weld metal
Reheat cracking during PWHT
Lamellar tearing
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Q 9/30
Test Progress : 30.00%
Q. 10/30: MIG/MAG welding has a tendency to give lack of sidewall fusion when:
Spray transfer conditions are used
100% CO2 shielding gas is used
Pulsed current is used
Dip transfer
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Q 10/30
Test Progress : 33.33%
Q. 11/30: Select the correct welding process:
MMA
MIG / MAG
TIG
SAW
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Q 11/30
Test Progress : 36.67%
Q. 12/30: Which type of submerged arc welding flux is susceptible to moisture pick-up?
Neutral
Agglomerated
Fused
Are all about the same
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Q 12/30
Test Progress : 40.00%
Q. 13/30: Which of the following is most likely to cause a burn through.
Root gap too small.
Travel speed too fast.
Root face too small.
All of the above.
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Q 13/30
Test Progress : 43.33%
Q. 14/30: 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 14/30
Test Progress : 46.67%
Q. 15/30: Which of the following is most likely to cause a burn through.
Root gap too small.
Travel speed too fast.
Root face too small.
All of the above.
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Q 15/30
Test Progress : 50.00%
Q. 16/30: Which of the following is most likely to cause a burn through.
Root gap too small.
Travel speed too fast.
Root face too small.
All of the above.
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Q 16/30
Test Progress : 53.33%
Q. 17/30: 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 17/30
Test Progress : 56.67%
Q. 18/30: 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 18/30
Test Progress : 60.00%
Q. 19/30: Which of the following units is used to express heat input?
Joules
N/mm2
J/mm2
KJ/mm
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Q 19/30
Test Progress : 63.33%
Q. 20/30: The sensitivity of a radiograph is assessed:
By using a densitometer
By using an image quality indicator (IQI)
From the KVA used
From the source/tube to work standoff distance used
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Q 20/30
Test Progress : 66.67%
Q. 21/30: During CO2 welding, the arc length is most likely to be affected by:
The wire diameter
The current return connections
The gas flow rate
The torch to work angle
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Q 21/30
Test Progress : 70.00%
Q. 22/30: Visual inspection of a fabricated item for a high integrity application should cover inspection activities:
Before, during and after welding
Before welding only
After welding only
During and after welding only
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Q 22/30
Test Progress : 73.33%
Q. 23/30: Silicon is added to steel and the covering of MMA electrodes in order to:
Provide deoxidation
Improve strength
Improve toughness
Provide more resistance to hydrogen cracking.
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Q 23/30
Test Progress : 76.67%
Q. 24/30: 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 24/30
Test Progress : 80.00%
Q. 25/30: BS EN 288 and BS EN ISO 15614 are specifications for?
Welder approval testing
Welding equipment calibration
Welding procedure approval
Consumables for submerged arc welding
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Q 25/30
Test Progress : 83.33%
Q. 26/30: Which of the following is most likely to cause a burn through.
Root gap too small.
Travel speed too fast.
Root face too small.
All of the above.
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Q 26/30
Test Progress : 86.67%
Q. 27/30: To improve resistance to service failure caused by cyclic loading, it is good practice to:
Use low heat input welding
Use steel with a low CEV
Ensure there are no features that give high stress concentration
PWHT the fabrication
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Q 27/30
Test Progress : 90.00%
Q. 28/30: Bend test specimens have been taken from a 25 mm thick carbon steel butt weld. Which would show lack of inter-run fusion?
Side bend
Root bend
Face bend
Guided bend
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Q 28/30
Test Progress : 93.33%
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