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QC Welding Test 10:
Q. 1/30: E 6010 condition & advantage ?
• High deposition, Basic
• Good penetration, Cellulose
• Low penetration, Retile
• None of the above
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Q 1/30
Test Progress : 3.33%
Q. 2/30: Planer defects are best described as
Linear from at least one direction
Round indications
Linear from at least one direction with volum
May be classed as all of the above
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Q 2/30
Test Progress : 6.67%
Q. 3/30: Maximum heat input in which welding position ?
Vertical up
Vertical down
Overhead
horizontal
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Q 3/30
Test Progress : 10.00%
Q. 4/30: Which of the following welding process is not classed as an arc welding process
Electroslag welding
Thermit welding
Plasma welding
Both A and B
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Q 4/30
Test Progress : 13.33%
Q. 5/30: STRA Test is ?
Prevent Lamellar Tearing
Measure Ductility
Measure hardness
None of the above
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Q 5/30
Test Progress : 16.67%
Q. 6/30: Which of the following material has poorest wekdability
Austenitic stainless steel
Martensitic stainless steel
Carbon manganese steel
HSLA steel
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Q 6/30
Test Progress : 20.00%
Q. 7/30: Cross country pipe line welding qualification ?
B 31.4
B31.8
API 1104
ASME Sec IX
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Q 7/30
Test Progress : 23.33%
Q. 8/30: Which of the following in a fusion weld usually has the highest tensile strength
Weld metal
Parent metal
Heat affected zone
Fusion zone
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Q 8/30
Test Progress : 26.67%
Q. 9/30: Due to what crater pipe defect occur ?
High voltage
Technique
Filler type
Base metal properties
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Q 9/30
Test Progress : 30.00%
Q. 10/30: Which of the following is a alternative name for a crater crack
Cold crack
Tearing
Star crack
Fatigue crack
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Q 10/30
Test Progress : 33.33%
Q. 11/30: Leak test done by which process ?
diesel test
vacuum box
PT
all of the above.
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Q 11/30
Test Progress : 36.67%
Q. 12/30: Which sub atomic particle has a positive charge
Proton
Photon
Electron
Neutron
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Q 12/30
Test Progress : 40.00%
Q. 13/30: For substituting with 4 side bend test minimum thickess ?
1’’
1/2’’
¾’’
3/8’’
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Q 13/30
Test Progress : 43.33%
Q. 14/30: A WPS must describe of ?
essential variables
non-essential variables
supplementary essential when require notch toughness
all of the above.
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Q 14/30
Test Progress : 46.67%
Q. 15/30: Which material is the most susceptible to re heat cracking
High carbon steels
Killed steels
Creep resistance steels
Austenitic steel
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Q 15/30
Test Progress : 50.00%
Q. 16/30: Welder weld 6” dia pipe on SMAW process . What minimum length need testing for welder qualification ?
6”
10 “
Entire circumference
None of above
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Q 16/30
Test Progress : 53.33%
Q. 17/30: Destructive test method by pulling load ?
• Tensile test
• Bend test
• Impact test
• Hardness test
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Q 17/30
Test Progress : 56.67%
Q. 18/30: Three essential factors for producing a fusion weld are ;Melting, the removal of surface oxide from the joint surfaces and elimination of atmosphere region of the arc Name the fourth
The weld must be free from stress
The filler metarial must match that of the weld
The completed joint must at leased match the mechanical properties
An arc for a heat source
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Q 18/30
Test Progress : 60.00%
Q. 19/30: Which method is used for detecting the sound beam in volumetric defect ?
LPT
UT
RT
Eddy Current
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Q 19/30
Test Progress : 63.33%
Q. 20/30: Which are welding process /technique is likely to be uwed to repair localised porosity in a weld
MMA-PG position
Mechanical arc welding
All of the above
None of the above
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Q 20/30
Test Progress : 66.67%
Q. 21/30: Awelder qualified in the PG position would normally be qualified for welding
All diameter of pipe
Welding postions PA, PC, PG and PF
In postion PG only
All pipe wall thickness
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Q 21/30
Test Progress : 70.00%
Q. 22/30: Which angle probe required to find defects in root area ?
30°
45°
60°
15°
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Q 22/30
Test Progress : 73.33%
Q. 23/30: Which of the following are considered to be heat affected zone cracks
Solidification cracks, Lamellar tearing and reheat cracks
Reheat crackes, liquation cracks and solidification cracks
Hydrogen cracks, solidification cracks and liquation cracks
Reheat crackes, liquation cracks and Hydrogen cracks
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Q 23/30
Test Progress : 76.67%
Q. 24/30: Which of the following will not be include in PQR ?
Joint design
PWHT
Metal thickness
Process
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Q 24/30
Test Progress : 80.00%
Q. 25/30: An arc welding power source with a volt-ampere relationship yielding a large welding current change from a small voltage change.
Constant Voltage power supply
• Constant voltage welding process
Alternating current power supply
None of these
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Q 25/30
Test Progress : 83.33%
Q. 26/30: Which of the following standard is entitled Visual Inspection of Fusion welded joints
BS 4515
BS 5289
BS 5135
BS EN 440
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Q 26/30
Test Progress : 86.67%
Q. 27/30: Which flame using for welding in steel ?
Neutral flame
Carburizing
Oxidizing
Propane
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Q 27/30
Test Progress : 90.00%
Q. 28/30: Which welding process electode is non consumable ?
• GMAW
• FCAW
• SWA
• GTAW
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Q 28/30
Test Progress : 93.33%
Q. 29/30: In general it is not easy to mechanise the MMA welding process because
Short electrode lengths, the control of the arc length and the process uses a flat charecteristic
Short electrode lengths, the control of the arc length and flux covering
The control of the arc length, stop start problems and short electrode lengths
Flux coverings, short electrode lengths and the relationship between amps and volts
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Q 29/30
Test Progress : 96.67%
Q. 30/30: Which is the essential variables for welder qualification?
Change in direction
Change in electrode dimension
Change in filler classification
Change in base metal thickness
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Q 30/30
Test Progress : 100.00%
Q. 31/30: Baking hours for E-6010 electrode ?
• 2 Hour
• 4 Hour
• Not required baking
• None of the Above
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Q 31/30
Test Progress : 103.33%
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