Free API API-936 Exam Dumps Questions & Answers

Plastic refractories with a workability index below the manufacturer's minimum required value shall be:

• A.  subject to additional production sample testing.
• B.  accepted if the material is still workable.
• C.  mix with additional water or activator.
• D.  subject to requalification or discard.

Which of the following does not apply to cold crushing strength (CCS)?

• A.  CCS shall be determined on samples that have been fired to 1500°F (815°C)
• B.  The loading head of the testing machine shall have a spherical bearing block
• C.  Testing shall be in accordance with ASTM C1113
• D.  Density of sample affects testing loading rate

The quantity of manufactured refractory that has the same formulation as that prepared in an uninterrupted manufacturing operation is called a:

• A.  pallet
• B.  bag
• C.  test sample
• D.  production run

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

• A.  drawing and specifications
• B.  contractor's QA/QC department
• C.  API RP 577
• D.  welding code

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