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Here you can take a free API RP 576 Exam Practice Test with Latest Inspection of Pressure-Relieving Devices Question and Answers

1.

What type of pressure relief device would be most appropriate where a large relief area, high set pressures, and very short blowdown are required?

 
 
 
 

2.

Which of the following services is suitable for a balanced safety relief valve?

 
 
 
 

3.

Which of the following would normally be used in a refinery with a hot flammable liquid service where high back pressures are present at the valve discharge?

 
 
 
 

4.

Which of the following is not suitable for a conventional safety relief valve?

 
 
 
 

5.

Where can a conventional safety relief valve be used in a refinery and petrochemical process?

 
 
 
 

6.

What is the normal operation setting for a safety relief valve in gas or vapor service?

 
 
 
 

7.

Where should pressure relief valves not be used?

 
 
 
 

8.

Which of the following is a location where safety valves should not be used?

 
 
 
 

9.

What is the term that is described by the pressure increase over the set pressure of the pressure relief device allowed to achieve rated flow?

 
 
 
 

10.

What recommended practice describes the inspection and repair practices for automatic pressure-relieving devices commonly used in the oil and petrochemical industries?

 
 
 
 

11.

Where would a pilot-operated safety relief valve generally not be used?

 
 
 
 

12.

What type of valve is normally used to protect atmospheric and low-pressure storage tanks against a pressure large enough to damage the tank?

 
 
 
 

13.

Which of the following valves would not be used at a set pressure of 150 psi?

 
 
 
 

14.

A rupture disk device is made up of which of the following items?

 
 
 
 

15.

Which of the following best describes the operation of a rupture disk device?

 
 
 
 

16.

What will happen to the conventional domed rupture disk reaching its burst pressure?

 
 
 
 

17.

What is the purpose of the scoring in a scored rupture disk?

 
 
 
 

18.

Which side of a flat composite rupture disk is designed to burst when it is overpressured?

 
 
 
 

19.

What typical maximum level of the rated burst pressure is a domed composite rupture disk generally permitted to operate?

 
 
 
 

20.

Which side of a reverse-acting rupture disk is designed to burst when it is overpressured?

 
 
 
 

21.

What maximum level of the rated burst pressure is a reverse-acting rupture disk generally permitted to operate?

 
 
 
 

22.

Which of the following rupture disk devices is designed not to fragment upon overpressuring?

 
 
 
 

23.

How is a graphite rupture disk designed to burst?

 
 
 
 

24.

What type of rupture disk is resistant to most acids, alkalis, and organic solvents?

 
 
 
 

25.

What maximum level of the rated burst pressure is a graphite rupture disk generally permitted to operate?

 
 
 
 

26.

Which of the following is a good application for rupture disk devices?

 
 
 
 

27.

Under normal operating conditions, what is the usual service life of pre-bulged metal rupture disks?

 
 
 
 

28.

When rupture disk devices are not replaced periodically, what may occur when operating at normal pressures?

 
 
 
 

29.

When a relief valve is removed for service maintenance, what should be done with the accompanying rupture disk?

 
 
 
 

30.

What is the advantage of installing a rupture disk device on the inlet or outlet of a pressure relief valve?

 
 
 
 

31.

Which of the following is a common cause of damaged valve seats?

 
 
 
 

32.

What is the consequence of a pressure-relieving valve spring failure?

 
 
 
 

33.

Generally, where should direct spring-loaded valves be set?

 
 
 
 

34.

Which of the following is a frequent cause of improper valve setting?

 
 
 
 

35.

Which of the following are common causes of improper pressure-relieving device performance?

 
 
 
 

36.

What should be done before disconnecting pressure-relieving devices to ensure that they are sufficiently supported?

 
 
 
 

37.

For each pressure relief valve, what information since its last inspection should the operating history include?

 
 
 
 

38.

What should be done with a safety relief valve in hydrofluoric acid (HF) service after it is removed from service for repair?

 
 
 
 

39.

What can happen when pressure relief valves are damaged during transportation to the shop?

 
 
 
 

40.

Under what circumstances may the user waive the “as received” pop pressure test for a pressure relief valve and instead reduce the inspection interval?

 
 
 
 

41.

After the pressure relief valve has been “as received” pop tested after being removed from service, how should it be inspected to estimate its condition?

 
 
 
 

42.

When inspecting a pressure relief valve that has been removed from service, how is the seat flatness checked?

 
 
 
 

43.

After a pressure relief valve has been inspected and it have been reassembled, what should not be done to the nozzle and disk seating surfaces?

 
 
 
 

44.

What is the normal deviation of a pressure relief valve pop pressure for a set pressure of 70 psi?

 
 
 
 

45.

For pressure relief valves that comply with ASME Section VIII Div. 1, UG 125(c)(3), what is the permissible deviation of the pop pressure from the set pressure?

 
 
 
 

46.

Once a pressure relief valve is set to pop at its CDTP and the seat tightness is checked for leakage on the test block, what pressure should be applied on the valve to observe the discharge side of the valve for evidence of leakage?

 
 
 
 

47.

When a pressure relief valve is tested on-stream by hydraulically lifting the valve stem while the valve remains in service, which of the following needs to be considered?.

 
 
 
 

48.

Which of the following should be considered when inspecting a pilot-operated pressure relief valve?

 
 
 
 

49.

For pressure or vacuum vent valve that has a flame arrester on the inlet nozzle, what should the inspector look for to ensure the valve is not damaged in service?

 
 
 
 

50.

How often should rupture disks be replaced?

 
 
 
 

51.

On what basis is the interval between shop inspection/overhaul of pressure-relieving devices determined?

 
 
 
 

52.

Which of the following should be done as part of a visual on-stream inspection of a pressure relief device?

 
 
 
 

53.

What is the maximum interval for visual on-stream inspections of pressure-relieving devices?

 
 
 
 

54.

What type of records should be kept for each pressure-relieving device?

 
 
 
 

55.

Which of the following is typically a responsibility of engineering personnel for pressure-relief devices?

 
 
 
 

56.

Which of the following is typically a responsibility of process unit operators for pressure-relief devices?

 
 
 
 

57.

Which of the following is typically a responsibility of craftsmen for pressure-relief devices?

 
 
 
 

Question 1 of 57

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Latest API 576 Exam Pattern and Syllabus Overview:

Exam Title: API 576 – Inspection of Pressure-Relieving Devices
Target Audience: Inspectors, engineers, and professionals involved in the inspection and maintenance of pressure-relieving devices in the oil, gas, and petrochemical industries.

Exam Format

  • Type: Open Book
  • Duration: 3 hours
  • Number of Questions: Approximately 100
  • Question Format: Multiple-choice
  • Mode: Computer-based testing (CBT)
  • Passing Score: Typically around 70% (subject to API policy)

Syllabus / Body of Knowledge

The API 576 exam covers the inspection, testing, and maintenance of pressure-relieving devices. Key areas include:

  1. Types of Pressure-Relieving Devices
    • Safety valves
    • Relief valves
    • Rupture disks
    • Pilot-operated valves
  2. Design and Operation
    • Operating principles
    • Set pressure and blowdown
    • Installation considerations
  3. Inspection and Testing
    • Visual inspection techniques
    • Bench testing procedures
    • In-service testing methods
  4. Maintenance Practices
    • Repair and replacement guidelines
    • Common causes of failure
    • Documentation requirements
  5. Applicable Standards and References
    • API 576 – Inspection of Pressure-Relieving Devices
    • API 510 – Pressure Vessel Inspection Code
    • ASME Section VIII – Pressure Vessels
    • API RP 571 – Damage Mechanisms
    • API RP 572 – Inspection of Pressure Vessels
  6. Documentation and Reporting
    • Inspection records
    • Test reports
    • Certification and tagging

Recommended Study Materials

  • API 576 Standard – Primary reference document
  • API 510, API 571, API 572 – Supplemental standards
  • ASME Section VIII Div. 1 – For design and construction references
  • API’s Effectivity Sheet – Lists which editions of documents are covered in the exam

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