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Section 2.0 Terminology

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13:36 26/06/2023
Section 2.0 Terminology
Section 2.0 Terminology
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NGUYEN BAO TRUNG
1. Which of the following welds would usually be considered for an
open corner joint?
*10/10
Plug weld
Butt weld
Fillet weld
None of the above
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Section 2.0 Terminology
2. Which of the following fillet welds would be considered to have the
highest fatigue strength (assuming all welding parameters are the
same, same material and welded using the same WPS)
*10/10
8mm throat thickness mitre fillet weld
7mm throat thickness fillet weld + 2mm excess weld metal
Convex fillet weld with 10mm leg length
Concave fillet weld with 8mm throat thickness
3. A fillet weld has an actual throat thickness of 8mm and a leg length
of 7mm. What is the amount of excess weld metal?
*10/10
2.1mm
1.8mm
3.1mm
1.4mm
4. What would be a typical bevel angle for a single V butt weld welded
with a manual
welding process in the PA position?
*10/10
70 deg
30 - 35 deg
15 deg
None of the above
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Section 2.0 Terminology
5. Which of the following best describes a heterogeneous joint? *
10/10
A welded joint in which there are significant differences in mechanical
properties between the weld metal and parent material.
A welded joint in which there are significant differences in mechanical properties
between parent materials
A welded joint in which the weld metal and parent material have no significant
differences in mechanical
Both a and b
6. To keep distortion to a minimum, which of the following butt weld
*10/10
preparations would be
the most suited for a 15mm thick structural
welded joint in the PA position
Single U butt
Double V butt
Single V butt
All of the above
7. Which of the following welding process can weld autogeneously? *
10/10
TIG
OFW
Friction Weld
All of the above
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Section 2.0 Terminology
8. Fusion line: *
10/10
Is another term for Weld Zone
Is another term for Weld Junction
Area between Parent Material and HAZ
All of the above
9. How do we determine what the correct weld joint preparation should *10/10
be?
By refering to the fabrication drawing
The welder foremen will decide the suitable preparation
Inspector will give the information
By referring to Welding Procedure Specification
10. Which the following is true? *
10/10
Plug weld are in T joints
Spot weld are in edge joints
Fillet weld are in corner joints
Edge weld are in lap joints
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