1.
European Welding Standards require welding procedure qualification coupons to be subjected to:
2.
Why are these tests called destructive tests?
3.
Destructive tests can be divided into two groups:
4.
Mechanical tests are quantitative because:
5.
Qualitative tests are used to verify that:
6.
Examples of qualitative tests are:
7.
Mechanical tests are used by material manufacturers/suppliers to verify:
8.
Design engineers base their designs on:
9.
Quantitative tests in welding procedure qualification are carried out to:
10.
Transverse tensile tests are always required in:
11.
The objective of the transverse tensile test is to:
12.
In transverse tensile testing, excess weld metal must be:
13.
In tensile testing, tensile strength (Rm) is calculated by dividing:
14.
According to ASME IX, a test specimen breaking outside the weld at >95% of base metal strength is:
15.
All-weld tensile tests are required particularly for:
16.
The objective of all-weld tensile tests includes:
17.
All-weld tensile specimens must be:
19.
Ductility is measured by:
20.
The internationally accepted test for brittle fracture resistance is:
21.
The Charpy V test measures:
22.
The transition temperature is defined as:
23.
Charpy specimens are usually tested at:
24.
Three impact test specimens are taken for each notch position because:
25.
Percent crystallinity indicates:
26.
Lateral expansion is:
27.
Hardness is defined as:
28.
A steel weldment with high hardness may be:
29.
Three main hardness tests are:
30.
The Vickers method uses:
31.
The Rockwell C scale uses:
33.
A typical hardness survey requires measurement in:
34.
Example notation "240HV10" means:
37.
Specimens for CTOD are:
38.
CTOD values are expressed in:
40.
A CTOD value >1mm indicates:
41.
Bend tests are commonly required in:
42.
Bend tests primarily check:
43.
Four types of bend specimens are:
44.
Guided bend test means:
45.
The bend angle specified is usually:
46.
Small indications less than about ____ may be acceptable in bend tests
47.
Fillet weld fracture tests are used to assess:
48.
Fillet fracture tests may be used for:
49.
Typical fillet fracture specimens are cut into lengths of:
50.
Butt weld nick-break tests are:
51.
Butt weld fracture specimens are made to fail by:
52.
Macroscopic examination requires:
53.
The European standard for transverse tensile test is:
54.
The European standard for bend tests is:
55.
The European standard for impact tests is:
56.
The European standard for macro & micro examination is
57.
The standard for tensile testing at ambient temperature is:
58.
. The standard for tensile testing at elevated temperatures is:
59.
What property does the CTOD test measure?
60.
The Charpy V notch test primarily helps assess:
61.
Fracture toughness data allows engineers to:
62.
CTOD tests help calculate:
63.
. Stress conditions for brittle fracture are assessed at:
64.
CTOD testing is particularly useful when
65.
. CTOD specimens are cut:
66.
Where is the V notch machined in a CTOD specimen?
67.
A shallow saw cut is made at:
68.
The purpose of cyclic bending load in CTOD specimen preparation is:
69.
. CTOD specimens typically have cross-section:
70.
The length of CTOD specimen is approximately
71.
CTOD testing is usually performed at:
72.
Specimen temperature during CTOD test is controlled by
73.
Stress concentration at crack tip is induced by:
74.
Measurement of crack mouth opening is done by:
75.
How many CTOD tests are usually performed for each condition?
76.
Fracture toughness is expressed as:
77.
CTOD values are calculated from chart of:
78.
CTOD values are expressed in:
79.
Typical CTOD value indicating brittle behaviour is:
80.
. Typical CTOD value indicating very tough behaviour is:
81.
Acceptance criteria for CTOD test may require:
82.
A very brittle weldment will:
83.
A very tough weldment will:
84.
Main objective of bend test is:
85.
Bend tests also demonstrate:
86.
Face bend specimens are taken:
87.
In face bend, which side is in tension?
88.
Root bend specimens are bent with:
89.
. Side bend specimens are used for:
90.
. Longitudinal bend specimens are cut:
91.
Thickness of longitudinal bend specimens is about:
92.
Bend tests for qualification are usually:
93.
The bending strain is controlled by:
94.
Diameter of former is expressed as:
95.
. For C-Mn steel, typical former diameter is:
96.
For low ductility materials, former radius may be:
97.
Bend angle specified in standards is typically:
98.
Bend test specimens should not show:
99.
Small imperfections allowed by some standards are:
100.
Fillet weld fracture test is used to assess:
101.
Fillet fracture tests may be used instead of:
102.
Fillet fracture tests are used in:
103.
Typical specimen length for fillet fracture test is:
104.
. Notch shapes in fillet fracture test may be:
105.
Fillet fracture specimens are fractured by:
106.
Number of fillet fracture tests usually specified:
107.
Acceptance criteria include checking for:
108.
Test report should describe:
109.
Butt weld fracture (nick-break) tests are used for:
110.
Butt weld fracture specimens are notched to ensure fracture in:
111.
Butt weld fracture specimens are broken by:
112.
Acceptance criteria for butt fracture test includes:
113.
Macroscopic examination is done on:
114.
Purpose of macroscopic exam is
115.
Macroscopic examination is required for:
116.
BS EN ISO 9016 relates to
117.
. BS EN ISO 4136 specifies:
118.
BS EN ISO 5173 specifies:
119.
BS EN ISO 17639 specifies:
120.
BS EN ISO 6892-1 specifies:
121.
BS EN ISO 6892-2 specifies:
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