Free API API-936 Exam Questions

Become API Certified with updated API-936 exam questions and correct answers

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Total 185 Questions | Updated On: Aug 19, 2026

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Question 1

When is metal fiber reinforcement used in castable refractory?

A : Only when extra strength is required

B : Only when added in the field

C : For all monolithic hot face castable refractory materials

D : Only when specified by the owner

Answer: D

Question 2

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

A : 1

B : 2

C : 3

D : 4

Answer: B

Question 3

Which of the following is the inspector responsible for?

A : Hammer testing newly installed linings

B : Providing compliance data sheets

C : Testing water to be used

D : Qualification testing

Answer: A

Question 4

Which of the following conditions must be met for test results from trial mixes of low cement castables to be accepted for qualification?

A : The water content must not vary more than ±1.0% from that recommended by the manufacturer.

B : Specimens must be fired at 1500°F (815°C) and held for a minimum of 3 hours.

C : Bulk density and CCS must exceed average values published in ASTM C401.

D : The drying process must be conducted at 220°F (104°C) for at least 48 hours before firing.

Answer: A

Question 5

How many specimens per sample are required for testing by ASTM C-704?

A : One

B : Two

C : Three

D : Four

Answer: B

Page: 1 / 37

Total 185 Questions | Updated On: Aug 19, 2026

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