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QC Welding Test 17:
Q. 1/30: Welder qualified in 6” Diameter what is the minimum and maximum diameter he can weld ?
2-7/8” and above
6” and above
4” and above
12” and above
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Q 1/30
Test Progress : 3.33%
Q. 2/30: NDT method for surface defects?
MT
PT
RT
UT
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Q 2/30
Test Progress : 6.67%
Q. 3/30: In Pipe line miss alignment / offset is how much acceptable ?
3 mm max
1.5 mm max
5 mm max
1 mm max
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Q 3/30
Test Progress : 10.00%
Q. 4/30: MIG/MAG welding have what power source?
Constant current
Drooping
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Q 4/30
Test Progress : 13.33%
Q. 5/30: While welding in root area if current is too high which defect will occur ?
Burn through and Excess penetration
Root under cut
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Q 5/30
Test Progress : 16.67%
Q. 6/30: Lamination test for pipe?
• UT
• RT
• PT
• MT
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Q 6/30
Test Progress : 20.00%
Q. 7/30: Baking temperature for E6010 ?
Baking not required
65 degree
110 Degree
none of above
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Q 7/30
Test Progress : 23.33%
Q. 8/30: Mostly commonly used NDT on surface defects is ?
MT
PT
RT
UT
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Q 8/30
Test Progress : 26.67%
Q. 9/30: Welder qualified in 3G position, which position he can weld?
• 1G,3G & 1F ,2F,3F
• 1G,2G,3G,F,H,V
• 1G 3G Only Not 1F,3F
• 2G,3G&4G
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Q 9/30
Test Progress : 30.00%
Q. 10/30: Lamination in weld how can be find out?
• UT
• RT
• PT
• MT
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Q 10/30
Test Progress : 33.33%
Q. 11/30: Diameter limits for 2 welders same joint if ?
16”
18”
14”
20”
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Q 11/30
Test Progress : 36.67%
Q. 12/30: An arc welding power source with 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 12/30
Test Progress : 40.00%
Q. 13/30: What will be the minimum distance required for for cold bending from girth weld ?
600 mm
800 mm
900 mm
500 mm
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Q 13/30
Test Progress : 43.33%
Q. 14/30: What is the best method to find the surface defect ?
MT
PT
RT
UT
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Q 14/30
Test Progress : 46.67%
Q. 15/30: What defect occur when damp low hydrogen electrode is used ?
Porosity.
Lack of root fusion
Crack
Under cut
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Q 15/30
Test Progress : 50.00%
Q. 16/30: Which alloying element improves corrosion resistance?
Chromium
Carbon
Manganese
Nickel
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Q 16/30
Test Progress : 53.33%
Q. 17/30: What type of power sources characteristics is required for autogenously welding?
Constant current
Constant Volatage
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Q 17/30
Test Progress : 56.67%
Q. 18/30: Which ndt method is used for detecting lamination in non-bevel area of pipe ?
• UT
• RT
• PT
• MT
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Q 18/30
Test Progress : 60.00%
Q. 19/30: Heat treatment where the cooling temperature is maintained inside the furnace?
Annealing
Normalizing
Tempering
Quenching
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Q 19/30
Test Progress : 63.33%
Q. 20/30: Most severe defect in plant piping is ?
Crack
lack of fusion
Lack of Penetration
Prosity
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Q 20/30
Test Progress : 66.67%
Q. 21/30: Electrode ,filler wires ,fluxes are refer to wich standard ?
ASME SEC VIII
ASME B 31.3
ASME SEC IX
ASME SEC IIC
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Q 21/30
Test Progress : 70.00%
Q. 22/30: Which NDT method is used to detect Planar and non planer defect ?
RT
PT
UT
MT
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Q 22/30
Test Progress : 73.33%
Q. 23/30: Charpy V notch test is used to determined the material ?
Toughness
Hardness
Elongation
non of these
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Q 23/30
Test Progress : 76.67%
Q. 24/30: Which electrode is basic electrode ?
E 7018
E 6010
E 6011
all of above
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Q 24/30
Test Progress : 80.00%
Q. 25/30: DCEN is related to which power source ?
Reverise Polarity
Straigh Polarity
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Q 25/30
Test Progress : 83.33%
Q. 26/30: DCEP is related to which power source ?
Reverise Polarity
Straigh Polarity
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Q 26/30
Test Progress : 86.67%
Q. 27/30: 6G position for welder qualification ?
45°
90°
120°
30°
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Q 27/30
Test Progress : 90.00%
Q. 28/30: P numbers are used for what purpose to identify ?
Electrode
Base Metal
Flux
Jiont
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Q 28/30
Test Progress : 93.33%
Q. 29/30: Which NDT method is required to check the Lamination if any fitting or tee is cut and rebeveled ?
• UT
• RT
• PT
• MT
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Q 29/30
Test Progress : 96.67%
Q. 30/30: Essential variable for in SMAW process ?
4
5
9
8
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Q 30/30
Test Progress : 100.00%
Q. 31/30: When need to increase Preheat Temprature ?
with incraese in material thickness
With decrease in material thickness
With increase in material thickness
A and C
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Q 31/30
Test Progress : 103.33%
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