API-936 Updated Dumps (V9.02) with the Latest Exam Questions – Your Trusted Path to API Refractory Personnel Certification Success

The API Refractory Personnel (API-936) exam validates your knowledge of installation, inspection, testing, and repair of refractory linings based on API STD 936 quality control guidelines. If you want to validate your knowledge and pass the API-936 exam, you can elevate your preparation with the most updated API-936 dumps (V9.02) from DumpsBase. We have updated the dumps with 85 practice questions and answers, which are meticulously designed to help you master every aspect of the Refractory Personnel certification exam syllabus. Practice your API-936 exam questions with our PDF file and practice test engine. We empower you to build confidence, strengthen weak areas, and achieve outstanding results.

Before downloading the updated API-936 dumps (V9.02), you can read our free demos below:

1. When water is used for refractory installed on a carbon steel surface with a stainless steel anchorage, the chloride content of the potable water shall not exceed:

50 ppm

100 ppm

200 ppm

250 ppm

2. Initial heating of newly installed refractory linings shall be performed with:

(This may have more than one correct answer; please select all answers that apply.)

electrical heating elements.

open torches.

portable burners.

process heating devices.

3. According to API 936, test specimens are required to be held at oven dry temperature for how many hours?

1

3

5

12

4. Refractory abrasion is defined as the wearing away of the surface by:

high-velocity gases.

the scouring action of moving solids.

coke buildup.

high-velocity hydrocarbons.

5. If the refractory lining is required before pressure testing, all pressure-retaining welds shall:

be lined with coal tar epoxy.

include additional anchors.

remain unlined and exposed to test medium.

be gunned with no needles.

6. Which of the following is false per the requirements of API Standard 936?

Cold crush strength is determined using two 4-1/2 in. (144 mm) × 4-1/2 in. (114 mm) × 4-1/2 in. (114 mm) cubes.

Density shall be determined using cubes or erosion plates and linear change bars.

Abrasion resistance is determined using two 4-1/2 in. (114 mm) × 4-1/2 in. (144 mm) × 1 in. (25 mm) specimens.

Permanent linear change is determined with one 2 in. (50 mm) × 2 in. (50 mm) × 9 in. (230 mm) specimen.

7. Which of the following is a quality control element? (This may have more than one correct answer; please select all answers that apply.)

As-installed testing

Initial Inspection

Installation monitoring

Report writing

8. Conflicts in documents and/or drawings shall be resolved by the:

inspector.

owner.

engineering company.

inspector with 30 years of service/experience.

9. For qualification testing, test panels for pneumatic gunning are inclined at a:

30° angle above the horizontal.

45° angle above the horizontal.

60° angle above the horizontal.

90° angle above the horizontal.

10. What temperature is required to form a permanent bond in phosphate-bonded plastic refractory?

100°F to 300°F (38°C and 150°C)

50°F to 100°F (10°C and 38°C)

300°F to 500°F (150°C and 260°C)

500°F to 700°F (260°C and 370°C)

11. Which term is used to describe a newly installed monolithic refractory lining that has not been exposed to either a dry-out or initial heating?

Castable refractory

Green refractory

Wet refractory

Installed refractory

12. The physical attributes testing of manufactured bricks during pre-shipment testing shall require a minimum Acceptable Quality Limit (AQL) of:

1%

4%

5%

10%

13. Which party provides the quality requirements for hammer testing, extent of cracking, and surface voids?

The owner

The contractor

The refractory manufacturer

The inspector

14. The mock-up for vibration cast installations demonstrates the adequacy of the: (This may have more than one correct answer; please select all that apply.)

craftsman's ability to construct the forms.

equipment.

means of vibrator attachment.

vibration method.

15. Maximum allowable crack length, visible on the surface of a dense firebrick, is:

1/4 in. (6 mm)

3/8 in. (10 mm)

1/2 in. (12 mm)

3/4 in. (19 mm)

16. Sections of the lining below minimum thickness shall be:

discussed with engineer.

increased in thickness with a skim coat.

roughed and gunned to full thickness.

cut out entirely and replaced.

17. Newly applied cast linings must cure before stripping the forms per the:

manufacturer's recommendations.

owner's recommendations.

MSD

inspector's recommendations.

18. Which of the following is the term for aggregate and/or cement that bounces away from a surface against which refractory is being projected by gunning?

Slurry

Trimmings

Rebound

Overspray

19. During gunning, inclusion of rebound is minimized by which of the following techniques?

Begin gunning at the lowest level and work around to full thickness in a spiral pattern

Start at the lowest level elevation and build up gradually to full thickness in complete rings

Start at the lowest level and build up gradually to full thickness in an area not more than 10 ft² (1 m²)

Cover all areas up to 1/2-in (13 mm) thick stud tip thickness before building to full thickness

20. Surface preparation and welding procedures are the responsibility of the:

Owner.

Contractor.

Inspector.

Manufacturer.

21. Which of the following is the appropriate term for testing refractory that was sampled during project site installation in order to confirm that it meets specified physical property standards?

Hammer testing

Pre-qualification testing

As-installed testing

Visual testing

22. When performing the ASTM C704 and ASTM C133 refractory tests, the specimen should be fired to what temperature?

815°F (435°C)

1000°F (540°C)

1500°F (815°C)

2730°F (1500°C)

23. The quantity of manufactured refractory that has the same formulation as that prepared in an uninterrupted manufacturing operation is called a:

pallet

test sample

production run

bag

24. Who is responsible to approve refractory dryout procedures that have more than one heat source?

Contractor

Owner

Manufacturer

Inspector

25. For non-erosive service, what is the required number of test specimens per sample for cold crushing strength?

1

2

3

4

26. Each sample tested in accordance with ASTM C181 for workability index shall consist of how many specimens?

1

2

3

5

27. Who is responsible for the accuracy of installation records?

refractory manufacturer

owner

contractor

inspector

28. The vessel in which the cracking reaction occurs or is completed, and in which the product gases are separated from coke and/or catalyst particulate, is the:

stripper.

reactor.

regenerator.

stand pipe.

29. Materials that are easily reduced to a granular or powdery condition after placement are known as:

friable materials.

calcined frits.

mineral additives.

granular grog.

30. What characteristic shall be required for form selection?

Resist chemical attack

Resist mechanical loads

Self-supporting

Transparent

 Loading...