What is the maximum Brinell hardness of base metal P-6?
A. 270
B. 281
C. 241
D. not specified
正解:C
質問 2:
When can welding procedures qualified by other than the employer be used?
A. When the production weld is radiographed
B. When there is specific approval of the inspector
C. When the procedure is used only one time
D. When the job contract gives authorization
正解:B
質問 3:
An inspector is evaluating a radiograph, a light image of a "B" appears on a darker background of the radiograph, the.
A. "B" is for identification of the welder
B. "B" is for identification of the weld
C. radiograph shall be considered unacceptable
D. radiograph should not be rejected
正解:C
質問 4:
API 570 was developed to provide for the inspection of in-service process piping.
A. recommendations
B. general guidelines
C. an industry standard
D. suggestions
正解:C
質問 5:
Without the benefit of an impact test, what is the minimum operating temperature for A-106 Grade B material used in a Category D Fluid Service?
A. -20°F
B. 0°F
C. -20°C
D. -29°F
正解:A
質問 6:
What is the maximum thickness measurement inspection interval for an injection point?
A. By Class
B. 10 years
C. 5 years
D. 3 years
正解:D
質問 7:
In evaluating blisters and laminations in piping, assessments should be performed in accordance with_____.
A. ASME 816.5
B. API RP 579, Section 7
C. API RP 2207, Section 2
D. API 598, Section 1
正解:B
質問 8:
What is the maximum length allowed for individual slag trapped in a weld in a Severe Cyclic Conditions piping system?
A. ³12T
B. £TW / 3
C. 3/23"
D. >TW X 3
正解:B
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藤田** -
API-570初学者のわしでも比較的習得しやすいですね。だれよりもラクにAPI-570合格を勝ちとったぜ。