2023年最新の実際に出るAPI-570問題集には試験のコツがあるPDF試験材料
心強いAPI-570PDF問題集はAPI-570問題
質問 # 41
If the supporting PQR is used, are the P-no's correct on the attached WPS?
- A. No
- B. Not enough information
- C. Yes
- D. Could be if properly preheated
正解：A
質問 # 42
When may welding not be performed?
- A. If the weld area is not in direct sunlight
- B. If the weld area is in an inert atmosphere
- C. If the weld area is above 120° F
- D. If the weld area is frosted or wet
正解：D
質問 # 43
Welding procedures qualified by may be used, subject to the specific approval of the inspector
- A. the use of API 1104 qualified procedures
- B. others
- C. the employer
- D. the use of AWS pre qualified, D1.1 type procedures
正解：B
質問 # 44
API 570 was developed to provide for the inspection of in-service process piping.
- A. general guidelines
- B. recommendations
- C. an industry standard
- D. suggestions
正解：C
質問 # 45
Can the inspection interval of the system in question 24 be increased to 8 years?
- A. If the system was insulated, the interval can be extended
- B. Yes
- C. Not enough information given
- D. No
正解：B
質問 # 46
Piping subject to CUI includes piping insulated for personnel protection, especially:
- A. carbon steel piping systems
- B. plastic piping
- C. glass lined piping
- D. carbon steel piping systems operating between 25°F-250°F
正解：D
質問 # 47
The three well-known methods of determining soil resistivity are, soil bar, soil box and______.
- A. Wenner (4-pin) method
- B. holiday pipe survey
- C. A-C Bridge
- D. six pin method
正解：A
質問 # 48
Bolts should extend during the installation of flanged connections.
- A. at least 0.5 inches (12.7 mm) past their nuts
- B. completely through their nuts
- C. only half way through their nuts
- D. two threads past their nuts
正解：B
質問 # 49
What is the inspection interval for buried piping without cathodic protection, the soil resistivity is 6,500 ohm-cm?
- A. 5 years
- B. whenever a leak is suspected
- C. 10 years
- D. 15 years
正解：C
質問 # 50
In lieu of the required heat treatment after welding, what may be used as an alternative?
- A. Quenching
- B. Normalizing/annealing
- C. Air Hardening
- D. Strain Harmonics
正解：B
質問 # 51
To evaluate the effects of fire damage, an assessment should be performed in accordance with____.
- A. ASME 816.5
- B. API 598, Section 1
- C. API RP 2207 Section 2
- D. API RP 579, Section 11
正解：D
質問 # 52
Temperatures above can damage transducers not equipped with delay line material.
- A. 280 psi
- B. There is no limit to temperature
- C. manufacturer's specification
- D. 1,000 psi
正解：C
質問 # 53
The formula t = PD/2SE computes the.
- A. minimum piping thickness
- B. average piping thickness
- C. maximum piping thickness
- D. Minimum required piping thickness
正解：D
質問 # 54
What is the required thickness of straight run pipe subject to internal pressure only, based on the following conditions: NPS 14, SA 285 Gr.C, EFW Spiral seam (No radiography), operating at 216 psi / 378?F
- A. Not enough information given
- B. 0.11"
- C. 1.1"
- D. 0.06"
正解：B
質問 # 55
A weld is changed from multi pass per side to single pass per side.
How does this effect the PWHT limitation?
- A. The PWHT must be performed per ASME IX and time increased byone
- B. This limitation does not apply when a WPS is qualified with a PWHT above the upper transformation temperature
- C. This limitation does not apply when a WPS is qualified with a PWHT below the upper transformation temperature
- D. The PWHT is not a consideration
正解：B
質問 # 56
The acronym CUI refers to.
- A. Corrosion Under Insulation
- B. Corrosion Under Inside flow
- C. Carpet Under Infra-structure
- D. Cold Under-ground In-service piping
正解：A
質問 # 57
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