API-936 Exam Practice Test Instant Access

Question 1

[Material Requirements]

Who is responsible to provide details of metal fiber reinforcement including dimensions, concentration, type and metallurgy?

AOwner

BManufacturer

CContractor

DInspector

Answer : B

Question 2

[Material Requirements]

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

A1%

B4%

C5%

D10%

Answer : C

Question 3

[Material Requirements]

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

ACold 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.

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

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

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

Answer : A

Question 4

[Installation Procedures]

Refractory samples cast during the mock-up are cured for a minimum of:

A8 hours.

B12 hours.

C18 hours.

D24 hours.

Answer : D

Question 5

[Material Requirements]

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

Answer : B

Question 6

[Installation Procedures]

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.)

Acraftsman's ability to construct the forms.

Bequipment.

Cmeans of vibrator attachment.

Dvibration method.

Answer : B, C, D

Question 7

[Installation Procedures]

Which of the following statements regarding curing of hydraulic bonded castables is true?

AApply a manufacturer approved membrane-type curing compound before the surface is dry to the touch

BThe membrane curing compound shall burn off at a temperature not less than 500F (260C)

CAfter remaining in place for 24 hours, forms shall be removed and a curing compound applied within 1 hour of form removal

DNo part of the lining shall be allowed to air dry more than 3 hours before application of a curing compound

Answer : D

API Refractory Personnel API-936 Exam Practice Test