Online Access Free API-936 Exam Questions

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.)

• A.vibration method.
• B.equipment.
• C.means of vibrator attachment.
• D.craftsman's ability to construct the forms.

The contractor on a field vibration casting job is preparing for a continuous pour that will last for three 12- hour shifts. The weather report predicts a nighttime low temperature of 35°F (2°C). How should the contractor be prepared?

• A.Have the castable dry mix heated to >50°F (10°C)
• B.Keep the install material and shell >50°F (10°C)
• C.Be ready to stop pouring if the temperature drops below 35°F (2°C)
• D.Make no special preparations

Hydration is the process that causes refractory concrete to:

• A.resist heat.
• B.become formable.
• C.develop green strength.
• D.dry out.

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

• A.engineering company.
• B.inspector.
• C.owner.
• D.inspector with 30 years of service/experience.

What is the size of a test specimen for permanent linear change of refractories?

• A.2 in. (50 mm) x 2-1/2 in. (64 mm) x 9 in. (230 mm)
• B.2 in. (50 mm) x 2 in. (50 mm) x 4 in.(100 mm)
• C.2-1/2 in. (64 mm) x 2-1/2 in. (64 mm) x 2 in. (50 mm)
• D.2 in. (50 mm) x 2 in. (50 mm) x 9 in. (230 mm)