API
API-577
Q1:
Rules for qualifying welding operators using radiography on a production weld require what minimum weld length to be examined?
○
A
6 in. (150 mm)○
B
12 in. (300 mm)○
C
24 in. (600 mm)○
D
36 in. (900 mm)
API
API-577
Q2:
Exposed film that allows 1% of the incident light to pass through has a film density of:
○
A
1.0○
B
2.0○
C
3.0○
D
4.0
API
API-577
Q3:
Refer to the following diagram:
Item#1 represents:
○
A
root opening.○
B
root weld size.○
C
groove weld size.○
D
root face.
API
API-577
Q4:
What is the purpose of the IQI?
○
A
Determining that the required sensitivity of the radiograph is achieved○
B
Marking the radiographs with a definite identifying characteristic○
C
Ascertaining how much radiation the source has penetrated the material○
D
Establishing the depth that the radiation source penetrates
API
API-577
Q5:
What increases when a welder increases the amperage?
○
A
Voltage○
B
Arc length○
C
Heat○
D
Travel speed