[2024年12月28日] 合格させるAPI API-510試験情報と無料練習テスト
API-510試験問題集PDF更新された問題集にはJPNTest試験合格保証付き
質問 # 79
Discuss the implications of deferred maintenance on pressure vessels and how API-510 helps to mitigate these risks.
正解：
解説：
Deferred maintenance on pressure vessels can lead to serious safety risks, including the potential for catastrophic failures. API-510 mitigates these risks by setting strict guidelines for inspection and maintenance schedules based on the condition and service history of the vessels. The standard emphasizes the importance of adhering to these schedules and provides criteria for risk-based inspections that prioritize maintenance tasks based on the urgency and potential impact of defects. This proactive approach helps prevent the deterioration of vessel condition and ensures that maintenance is performed before any serious issues arise.
質問 # 80
What action is required under API-510 if a pressure vessel's corrosion rate exceeds expected values?
- A. Notification of the API
- B. Recalculation of the vessel's remaining life
- C. No specific action required
- D. Immediate shutdown
正解：B
質問 # 81
One of the steps when rerating a pressure vessel is the documentation of the:
- A. Approval of the operation's engineering department
- B. Report from an external professional engineer
- C. Approval of the ASME
- D. Calculations from the manufacturer or the owner-user's engineer
正解：D
質問 # 82
Under API-510, when is a pressure vessel subject to mandatory stress relieving?
- A. When the thickness of the vessel is reduced by 10%
- B. After every major repair
- C. After alterations that involve cutting or welding on critical areas
- D. After any repair
正解：C
質問 # 83
Which API document should be consulted for the repair of pressure relieving devices as per API-510?
- A. API 570
- B. API 572
- C. API 579
- D. API 576
正解：D
質問 # 84
The definition of a construction code is?
- A. The Code or standard to which a vessel was originally built
- B. Any standard used to repair vessel
- C. Any standard used to build a vessel
- D. Any technique of construction
正解：A
質問 # 85
Discuss the role of API-510 in ensuring environmental compliance for pressure vessels.
正解：
解説：
API-510 plays a significant role in ensuring environmental compliance for pressure vessels by setting standards that minimize the risk of leaks and emissions, which can have detrimental effects on the environment. The standard requires regular inspections and maintenance to ensure the integrity of the vessels, thereby preventing accidental releases of hazardous substances. API-510 also promotes the use of environmentally friendly materials and technologies in the construction and repair of pressure vessels.
質問 # 86
What is the maximum inspection interval for a vessel with a remaining safe operating life of less than four years?
- A. The full remaining life of the vessel
- B. The full remaining safe operating life up to a maximum of 2 years
- C. The full remaining safe operating life up to a maximum of 4 years
- D. The full remaining safe operating life up to a maximum of 1 year
正解：B
質問 # 87
Explain how API-510 addresses the management of aging pressure vessels to ensure ongoing operational safety.
正解：
解説：
API-510 provides guidelines for managing aging pressure vessels, including more frequent and detailed inspections, assessments of corrosion rates, and the calculation of remaining life based on current condition data. Adjustments in operation pressures or temperatures may be recommended based on the findings to prolong the life of the vessel while maintaining safety.
質問 # 88
Widely scattered pits may be ignored as long as all but which of the following is true?
- A. No pit depth greater than 1/2 the vessel wall exclusive of the corrosion allowance
- B. No pit depth greater than 2/3 the vessel wall exclusive of the corrosion allowance
- C. Total area of pits does not exceed 7 square inches in any 8" diameter circle
- D. Sum of dimensions along a straight line does not exceed 2 inches
正解：B
質問 # 89
Whose authorization is required as a minimum prior to the start of any repairs or alterations?
- A. The production manager
- B. The insurance company
- C. The authorized pressure vessel inspector
- D. The maintenance manager
正解：C
質問 # 90
According to API-510, which material grade does not require impact testing at temperatures above
0°F?
- A. Nickel alloy
- B. Austenitic stainless steel
- C. Carbon steel
- D. Aluminum
正解：B
質問 # 91
Discuss how ongoing global regulatory changes impact the implementation of API-510 standards.
正解：
解説：
Ongoing global regulatory changes can significantly impact the implementation of API-510 standards as these changes may introduce new safety, environmental, or operational requirements that affect pressure vessel management. Companies must stay informed about these regulatory updates and assess how they align with API-510 guidelines. Adapting to these changes often requires updating internal policies, retraining staff, and sometimes modifying equipment. Proactive engagement with regulatory bodies and industry associations helps ensure that the implementation of API-510 remains compliant and up to date with global standards.
質問 # 92
Under API-510, how often must the qualifications of a pressure vessel inspector be revalidated through testing or continuing education?
- A. Every 10 years
- B. Every 5 years
- C. Every 6 years
- D. Every 3 years
正解：D
質問 # 93
Before non-destructive procedures are used in lieu of hydrostatic testing, what must be done?
- A. The API inspector must be consulted
- B. An experienced engineer must be consulted
- C. The API inspector and NBIC inspector must be consulted
- D. An engineer experienced in pressure vessel design and the API inspector must be consulted
正解：D
質問 # 94
Explain how API-510 facilitates the upgrade of older pressure vessels to meet modern safety and efficiency standards.
正解：
解説：
API-510 facilitates the upgrade of older pressure vessels to meet modern safety and efficiency standards by providing guidelines for assessing their current condition and determining the feasibility of various upgrade options. This includes evaluating the compatibility of new materials and technologies with the existing vessel structure and determining the necessary modifications to enhance performance and safety. API-510 also outlines the required inspections and tests to certify that upgraded vessels comply with current standards, ensuring that they can continue to operate safely and efficiently.
質問 # 95
When performing an external inspection on a vessel what consideration should be given to the external insulation?
- A. It shall always be removed to inspect underneath
- B. If insulation is in good condition and the vessel operates within the high and low temperatures stated in API 510, removal of insulation is not necessary for inspection of the vessel
- C. You may not use any plug locations used for UT thickness reading to inspect the vessel
- D. Select portions must be removed for inspections
正解：B
質問 # 96
Which factor is not considered when determining the inspection intervals for pressure vessels according to API-510?
- A. Service history
- B. Vessel age
- C. Previous paint color
- D. Vessel location
正解：C
質問 # 97
According to API-510, which type of record must be permanently maintained for a pressure vessel?
- A. Only the most recent inspection record
- B. Repair records only
- C. Inspection records only
- D. All records related to the vessel's design, fabrication, inspection, and repairs
正解：D
質問 # 98
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