Refractory Personnel (API-936) Free Practice Test

Question 1

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

A. 3

B. 5

C. 1

D. 12

Correct Answer: D

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Question 2

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:

A. regenerator.

B. stripper.

C. stand pipe.

D. reactor.

Correct Answer: D

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Question 3

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:

A. 100 ppm

B. 250 ppm

C. 50 ppm

D. 200 ppm

Correct Answer: C

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Question 4

A pigment shall be used in the curing compound in order to:

A. help the lining retain moisture.

B. indicate full coverage.

C. help the lining retain heat.

D. prevent ultraviolet light damage.

Correct Answer: B

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Question 5

Who is responsible for ensuring that the material and applicator qualification test results are fully documented?

A. Contractor

B. Manufacturer

C. Owner

D. Inspector

Correct Answer: A

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Question 6

For linings that use a surface layer of refractory plastic or a ramming mix, when should trimming, jointing, and venting be done?

A. After the entire installation is complete

B. Before stopping work for the day or shift

C. Never; these steps are not required when refractory plastics or ramming mixes are used

D. After water curing for 24 hours

Correct Answer: B

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Question 7

Selection, installation, inspection, and testing of anchors shall be in accordance with:

A. contractor's QA/QC department

B. API RP 577

C. welding code

D. drawing and specifications

Correct Answer: D

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Question 8

What abrading media is required in the ASTM C-704 abrasion-resistant test?

A. FCCU catalyst

B. Alumina grit

C. Silicon nitride

D. Silicon carbide

Correct Answer: D

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Question 9

Which of the following is a longitudinally hinged anchoring system for curved applications?

A. Curl

B. Flexmesh

C. Hexmesh

D. Hexalt anchor

Correct Answer: B

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API Refractory Personnel (API-936) Free Practice Test