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CSWIP 3.1 Test 13:
Q. 1/30: 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 1/30
Test Progress : 3.33%
Q. 2/30: 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 2/30
Test Progress : 6.67%
Q. 3/30: For full penetration single-sided butt joints, root bead penetration and profile are mainly influenced by:
Root face
Bevel angle
Root gap
Included angle
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Q 3/30
Test Progress : 10.00%
Q. 4/30: Initiation of a TIG arc using high frequency spark may not be allowed because it:
Often causes tungsten inclusions
Can damage electronic equipment
Is an electrical safety hazard
Often causes stop/start porosity
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Q 4/30
Test Progress : 13.33%
Q. 5/30: 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 5/30
Test Progress : 16.67%
Q. 6/30: If pipe bores are not matched correctly it can result in:
Overheating during welding.
Excessive root faces.
Incorrect gap setting.
Lack of root penetration.
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Q 6/30
Test Progress : 20.00%
Q. 7/30: 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 7/30
Test Progress : 23.33%
Q. 8/30: 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 8/30
Test Progress : 26.67%
Q. 9/30: Preheating for arc welding applies to:
Assembly welding only
Assembly and tack welding
Joints over 25 mm thick only
Cruciform welds only
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Q 9/30
Test Progress : 30.00%
Q. 10/30: A duty not normally undertaken by a welding inspector is to:
Check the condition of the parent material.
Check the condition of the consumables.
Measure residual stress.
Check calibration certificates.
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Q 10/30
Test Progress : 33.33%
Q. 11/30: A butt joint has how many toes?
2
4
0
1
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Q 11/30
Test Progress : 36.67%
Q. 12/30: A duty not normally undertaken by a welding inspector is to:
Check the condition of the parent material.
Check the condition of the consumables.
Measure residual stress.
Check calibration certificates.
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Q 12/30
Test Progress : 40.00%
Q. 13/30: A duty not normally undertaken by a welding inspector is to:
Check the condition of the parent material.
Check the condition of the consumables.
Measure residual stress.
Check calibration certificates.
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Q 13/30
Test Progress : 43.33%
Q. 14/30: 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
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Q 14/30
Test Progress : 46.67%
Q. 15/30: 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 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: Which of the following would be classed as the most serious type of defect?
A buried linear slag inclusion
Buried lack of inter-run fusion
Surface breaking lack of sidewall fusion
Surface porosity
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Q 17/30
Test Progress : 56.67%
Q. 18/30: When open site working, serious porosity in metal arc welds is brought to your attention. What would you investigate?
Electrode type
Power plant type
Electrode storage
Day temperature
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Q 18/30
Test Progress : 60.00%
Q. 19/30: 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 19/30
Test Progress : 63.33%
Q. 20/30: Which of the following units is used to express heat input?
Joules
N/mm2
J/mm2
KJ/mm
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Q 20/30
Test Progress : 66.67%
Q. 21/30: Which of the following welding processes uses a resisitive heating system to achieve weld metal deposition.
A) Manual metal arc welding
B) Submerged-arc welding
C) Electro slag welding
D) Resistance spot welding
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Q 21/30
Test Progress : 70.00%
Q. 22/30: Which of the following is a suitable shielding gas for FCAW of stainless steels?
100% Argon
70% Argon + 30% He
Argon + 5% Hydrogen
Argon + 20% CO2
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Q 22/30
Test Progress : 73.33%
Q. 23/30: Land is term used with?
J and U joint
Fillet Weld
Single V groove
All of these
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Q 23/30
Test Progress : 76.67%
Q. 24/30: 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 24/30
Test Progress : 80.00%
Q. 25/30: DWSI is a form of radiographic testing?
True
False
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Q 25/30
Test Progress : 83.33%
Q. 26/30: A duty not normally undertaken by a welding inspector is to:
Check the condition of the parent material.
Check the condition of the consumables.
Measure residual stress.
Check calibration certificates.
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Q 26/30
Test Progress : 86.67%
Q. 27/30: Undercut can be defined as one of the following?
Concavity in the root of the weld
Crater in the fill of the weld
An oxide within the weld
Depression at the toe of the weld
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Q 27/30
Test Progress : 90.00%
Q. 28/30: The property of a material which has the greatest influence on welding distortion is its
Yield strength
Coefficient of thermal expansion
Elastic modulus
Coefficient of thermal conductivity
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Q 28/30
Test Progress : 93.33%
Q. 29/30: When open site working, severe porosity in metal arc welds is brought to your attention. What would you investigate?
Electrode type
Power plant type
Electrode storage
Day temperature
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Q 29/30
Test Progress : 96.67%
Q. 30/30: What does the number 141 refer to when it is written next to the tail when using symbols
WPS number
Welding process
Filler material
Acceptance Standard
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Q 30/30
Test Progress : 100.00%
Q. 31/30: What type of covering will an electrode have that is suitable for welding 60mm C-Mn steel and can give good weld metal toughness at -50ºC?
Rutile
Basic
Cellulosic
Choice will depend on the welding position
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Q 31/30
Test Progress : 103.33%
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