Principles Questions and Answers |
Latest Version | 2024/2025 | Correct &
Verified
What is the purpose of visual inspection in welding?
✔✔A) To detect surface defects such as cracks, porosity, or undercuts
B) To measure the depth of penetration
C) To check the alignment of the welding equipment
D) To assess the filler material used
What does a hardness test measure in welded joints?
A) The flexibility of the welded material
✔✔B) The resistance of the welded material to indentation
C) The strength of the welding rod
D) The temperature of the weld pool
What is the primary purpose of ultrasonic testing in welding inspection?
✔✔A) To detect internal flaws or discontinuities in the weld
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,B) To determine the chemical composition of the weld
C) To check for surface contamination
D) To test the tensile strength of the weld
What does a dye penetrant test identify?
✔✔A) Surface cracks and porosity
B) Internal voids in the weld
C) The composition of the material
D) The cooling rate of the weld
What is the function of a radiographic test in welding inspection?
✔✔A) To identify internal weld defects such as cracks and voids
B) To assess the weld's visual appearance
C) To determine the depth of the weld penetration
D) To measure the heat input during welding
What does a tensile test measure in welding inspection?
A) The flexibility of the weld
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, B) The resistance to indentation
✔✔C) The strength of the weld joint under stretching forces
D) The surface finish of the weld
What type of defect is identified by a magnetic particle test?
✔✔A) Surface and near-surface cracks
B) Internal porosity
C) Misalignment of welds
D) Overheating of the weld
What is the main purpose of the bend test in welding inspection?
✔✔A) To evaluate the ductility and soundness of the weld
B) To check the surface finish of the weld
C) To measure the heat affected zone
D) To determine the hardness of the material
What does a destructive test involve in welding inspection?
✔✔A) Breaking or cutting the weld to evaluate its properties
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