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CSWIP 3.1 Test 16:
Q. 1/30: 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 1/30
Test Progress : 3.33%
Q. 2/30: 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 2/30
Test Progress : 6.67%
Q. 3/30: Weld spatter during MMA welding is most likely to be caused by:
Excessive current
Incorrect baking and storage of electrodes
Bad batch of electrodes
Too low an OCV
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Q 3/30
Test Progress : 10.00%
Q. 4/30: Which element has the greatest effect on the HAZ hardness of C-Mn steel?
Molybdenum
Chromium
Titanium
Carbon
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Q 4/30
Test Progress : 13.33%
Q. 5/30: Which one of the following statements is correct?
Preheating increases hardness
Preheating increases cooling
Preheating increases dilution
Preheating increases shrinkage stress
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Q 5/30
Test Progress : 16.67%
Q. 6/30: The main cause of undercut is
Excessive amps.
Excessive OCV
Excessive travel speed
Current too low
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Q 6/30
Test Progress : 20.00%
Q. 7/30: 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 7/30
Test Progress : 23.33%
Q. 8/30: 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 8/30
Test Progress : 26.67%
Q. 9/30: A Large grain size in the HAZ of a C-Mn Steel weld joint may have:
Low ductility
Low toughness
High toughness
High tensile strength
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Q 9/30
Test Progress : 30.00%
Q. 10/30: Repair welding of in-service plant and equipment may be more difficult than making repairs during initial fabrication because:
The material may be contaminated
Access to repair area may be difficult
Positional welding may be needed
All of the above
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Q 10/30
Test Progress : 33.33%
Q. 11/30: Fatigue testing is used to test welds:
Under creep stress loading
Under cyclic loading
Under tensile loading
Under dynamic loading
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Q 11/30
Test Progress : 36.67%
Q. 12/30: Root concavity is caused by:
Excessive back purge pressure and entrapped gas.
Excessive back purge pressure and very high heat inputs.
Excessive root grinding and a slow travel speed.
Excessive root grinding and excessive back purge pressure.
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Q 12/30
Test Progress : 40.00%
Q. 13/30: 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 13/30
Test Progress : 43.33%
Q. 14/30: Which one of the following statements is correct?
Preheating increases hardness
Preheating increases cooling
Preheating increases dilution
Preheating increases shrinkage stress
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Q 14/30
Test Progress : 46.67%
Q. 15/30: 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 15/30
Test Progress : 50.00%
Q. 16/30: For deep penetration fillet welds symbol used for throat thickness is
Z
A
S
None of these
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Q 16/30
Test Progress : 53.33%
Q. 17/30: 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 17/30
Test Progress : 56.67%
Q. 18/30: 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 18/30
Test Progress : 60.00%
Q. 19/30: 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 19/30
Test Progress : 63.33%
Q. 20/30: The fusion boundary of a fillet weld is the:
Boundary between the weld metal and HAZ
Boundary between individual weld runs
Depth of root penetration
Boundary between HAZ and parent material.
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Q 20/30
Test Progress : 66.67%
Q. 21/30: 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 21/30
Test Progress : 70.00%
Q. 22/30: Ultrasonic testing has an advantage over other NDT methods for the detection of:
Lack of sidewall fusion
Root undercut
Incompletely filled groove
Root concavity
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Q 22/30
Test Progress : 73.33%
Q. 23/30: Pre-heating a carbon steel manual metal arc welding is carried out to minimise the risk of:
Scattered porosity
Worm hole porosity
Parent metal cracking
Lack of penetration
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Q 23/30
Test Progress : 76.67%
Q. 24/30: 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 24/30
Test Progress : 80.00%
Q. 25/30: A WPS may specify a maximum width for individual weld beads (the weave width) when welding C-Mn steels. if the width is exceeded it may cause:
Lack of inter-run fusion
A reduction in HAZ toughness
Lack of sidewall fusion
Too low a deposition rate
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Q 25/30
Test Progress : 83.33%
Q. 26/30: 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 26/30
Test Progress : 86.67%
Q. 27/30: Lamellar tearing has occurred in a steel fabrication. What technique could have been used to find it before the weld was made?
X-ray examination
Liquid penetrant examination
Ultrasonic examination
It could not have been found by any inspection method
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Q 27/30
Test Progress : 90.00%
Q. 28/30: Actual Throat Thickness of a weld is
Design Throat Thickness + Excess weld metal
Design Throat Thickness - Excess weld metal
Design Throat Thickness
None of these
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Q 28/30
Test Progress : 93.33%
Q. 29/30: When MAG welding in dip transfer (a short-circuiting mode) spatter can be reduced by:
Using inductance
Using 100%CO2
Using Ar +30% He
Increasing the stick-out length
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Q 29/30
Test Progress : 96.67%
Q. 30/30: Select the correct MMA welding rod:
Cellulosic
Rutile
Basic
Rutile High Recovery
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Q 30/30
Test Progress : 100.00%
Q. 31/30: 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 31/30
Test Progress : 103.33%
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