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QC Welding Test 13:
Q. 1/30: E-6010 electrode type and its purpose?
• Cellulosic & Deep penetration
• Iron Oxide & High deposition
• Rutile & high Strength
Cellulose & not for good penetration
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Q 1/30
Test Progress : 3.33%
Q. 2/30: Why is aluminum added to steel during the steel making process
To improve toughness and aid grain refinement
To improve deoxidation and aid graian reinement
To improve strength and ductility
To improve hardness and ductility
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Q 2/30
Test Progress : 6.67%
Q. 3/30: Groove slope surface against weld applied for what ?
Groove face
Groove angle
Bevel angle
none of above
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Q 3/30
Test Progress : 10.00%
Q. 4/30: Which of the following are advantage in using mechanised arc welding over manual welding
Better for short run lengths, positional welding and faster welding spped
The ability to use higher welding currents, faster welding speed and longer continuos weld length
Cheaper welding consumables, faster welding speeds and higher deposition rates
Versatility, less distortion and higher welding currents
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Q 4/30
Test Progress : 13.33%
Q. 5/30: Which of the following mechanical test can give quantitative measurement of ductility
Tensile test
Charpy vee notch test
Bend test
All of the above
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Q 5/30
Test Progress : 16.67%
Q. 6/30: Ductility related to?
Percentage of elongation
Reduction of cross section area
Both A & B
none of above
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Q 6/30
Test Progress : 20.00%
Q. 7/30: Which of the following are reasons for applying pre heat
The removal of residual stresses and the removal of moisture from the joint preparation
To avoid slow cooling and to reduce the carbon content
T reduce the chance of a brittle grain structure and to reduce the chance of hudrogen entrapment
Increase UTS values and increase weldability
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Q 7/30
Test Progress : 23.33%
Q. 8/30: Planner & Non Planner defects ?
UT and RT
ET and MPT
PT and MPT
ET and PT
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Q 8/30
Test Progress : 26.67%
Q. 9/30: Which of the following statements are true regarding the charpy test
It is a static test used to determine a materials notch toughness in the weld region
It is a dynamic test used to determine a meterials notch toughness in the weld region
It is a destructive test to give a measurement of through thickness ductility
All of the above
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Q 9/30
Test Progress : 30.00%
Q. 10/30: A tensile test piece had an original gauge length of 63 mm; after testing the gauge length had increased to 73.4mm. What is the percentage of elongation value
0.165
1.16
0.0016
0.185
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Q 10/30
Test Progress : 33.33%
Q. 11/30: PT abbreviations
Penetration test
Liquid Penetration test
Both A & B
non of above
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Q 11/30
Test Progress : 36.67%
Q. 12/30: What is the UTS value of the tensile specimen if the leased CSA is 37.5mm x 19.35mm and maximum load applied 335 kN
461.7 kN/mm2
461.7 N/mm2
487.7N/mm2
487.7Kn/mm2
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Q 12/30
Test Progress : 40.00%
Q. 13/30: What are the documents to require the welding inspection?
WPS
PQR
welder qualification record
all of the above
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Q 13/30
Test Progress : 43.33%
Q. 14/30: What are the axis found on a stress strain curve
Vertical axis strain, horizontal axis stress
Vertical axis load, horizontal axis extension
Vertical axis extension, horizontal axis strain
Vertical axis extension, horizontal axis stress
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Q 14/30
Test Progress : 46.67%
Q. 15/30: Sudden cooling austenitic stainless steel material what will happen”
Martensite
carbide
perlite
non of above
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Q 15/30
Test Progress : 50.00%
Q. 16/30: A bend test that pputs root in compression is classed as
Face bend test
Root bend test
Side bend test
None of the above
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Q 16/30
Test Progress : 53.33%
Q. 17/30: Which of the following are correct dimensions for the vee notch in a charpy specimen
2.5mm depth,40°included angle,0.25mm root radius
2mm depth, 45° included angle, 0.25 mm root radius
2 mm depth, 22.5° single angle,0.35 mm root radius
2.5 mm depth, 22.5 ° included angle,0.20 mm root radius
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Q 17/30
Test Progress : 56.67%
Q. 18/30: When carrying out a izod test, the test specimen should be positioned so that the notch
Faces the striker
Faces the away from the striker
Both A and B
None of the above
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Q 18/30
Test Progress : 60.00%
Q. 19/30: How many micrometer in 0.1812 mm
181.2
0001812
181200
1812
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Q 19/30
Test Progress : 63.33%
Q. 20/30: How to Happening Slag Inclusion?
Incomplete slag removal from underlying surface of multipass weld
Slag flooding ahead of arc
Entrapment of slag in work surface.
none of above
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Q 20/30
Test Progress : 66.67%
Q. 21/30: In a macroscopic examination, which of the following applies
Viewing 5 x magnificatio ,P400 grade paper finish with an acid etch
Viewing 100 x magnification,P 1200 paper finish with an acid etch
Viewing 100 x magnification,P 400 paper finish with an acid etch
Viewing 5 x magnificatio , P1200 grade paper finish with an acid etch
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Q 21/30
Test Progress : 70.00%
Q. 22/30: What paper work is required prior to witnessing of mechanical testing
Calibration certificate for test pieces
Calibration certificate for test equipment
Test operator qualification
Test procedurer qualification certficates
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Q 22/30
Test Progress : 73.33%
Q. 23/30: Root bend test done and crack happened on root area this is ?
Accepted
Rejected
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Q 23/30
Test Progress : 76.67%
Q. 24/30: When considering hydrogen contents for basic electrodes at approximately what temprature is necessary for baking the electrodes to achive scale
No pre heat required
50°C to 100°C
400°C to 550°C
250°C to 350°C
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Q 24/30
Test Progress : 80.00%
Q. 25/30: When changed non-essential variable. What will you do for that particular WPS to use in site?
Rewrite and revise the WPS and after approval use the same in site
Use a WPS with the that changed non-essential variable in the site
Require thirdparty approval
non of above
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Q 25/30
Test Progress : 83.33%
Q. 26/30: When using basic electrodes, to keep the weld metals hydrogen content down to scale C in accordance with BS 5135
The electrodes must be used indoors, can only be used in the down hand position and the use of pre heat is essantial
The electrodes must be used in dry condition but never baked the use of pre heat and used with a short arc gap
The electrodes must be used with a short gap, use of a minimum weave and the electrodes must be used in a baked condition
The electrodes must be pre baked on dc electrode +ve and with a minimum arc gap
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Q 26/30
Test Progress : 86.67%
Q. 27/30: Which electrode is not baked ?
7018
6010 (cellulosic electrode)
7010
non of above
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Q 27/30
Test Progress : 90.00%
Q. 28/30: Which of the mechanical tests could be used to assess amaterial suscptibility to lamellar tearing
Bend test face or root
Charpy vee notch test
Through thickness test
None of the above
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Q 28/30
Test Progress : 93.33%
Q. 29/30: Who will conduct WQT and Accept ?
Inspection Department
Qualified Agency
Contractor
client
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Q 29/30
Test Progress : 96.67%
Q. 30/30: Which of the following charpy values would you expect from atest carried out on conatructionnal steels
20 to 40 joules
50 to 75 jouls
Around 10 to 30 N/mm2
Less than 10 jouls
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Q 30/30
Test Progress : 100.00%
Q. 31/30: which of the following may be used to reduce distortion
The least amount of deposited weld metal possible with as few weld passes as possible
The least amount of deposited weld metal possible with as many weld passes
Use as faster a welding process as possible with as many weld passes as possible
Use materials with low thermal conductivity and lower elasticity
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Q 31/30
Test Progress : 103.33%
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