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: Mar 08, 2026

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Question 1

When drying out a unit or vessel that has multiple refractories, schedules should be based on:

A : the refractory with the highest density in the dryout.

B : extending the hold times by one hour per additional refractory layer.

C : the refractory or lining system that has the longest duration requirement.

D : an average of heating rates and holding times for the refractories and thicknesses being dried out.

Answer: C

Question 2

For the qualification of the applicator/installer, they shall demonstrate their ability to install the refractory:

A : to meet the specified quality standards utilized for the installation of work.

B : by using the technique prescribed by the manufacturer no matter which material is used.

C : free of visible voids, laminations on the hot face or working surface only for gunned lining.

D : free of visible voids, laminations on the hot face or working surface only of the refractory lining.

Answer: A

Question 3

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

A : One

B : Two

C : Three

D : Four

Answer: B

Question 4

For the qualification of the applicator/installer, they shall demonstrate their ability to install the refractory:

A : to meet the specified quality standards utilized for the installation of work.

B : by using the technique prescribed by the manufacturer no matter which material is used.

C : free of visible voids, laminations on the hot face or working surface only for gunned lining.

D : free of visible voids, laminations on the hot face or working surface only of the refractory lining.

Answer: A

Question 5

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

Page: 1 / 37

Total 185 Questions | Updated On: Mar 08, 2026

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