Centrifugal blast cleaning requires:

• A.The use of single use abrasives
• B.Well maintained blast wheels
• C.Very large nozzles
• D.A large volume of air to propel the abrasive

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Pre-cleaning of work pieces will NOT remove

• A.snow, ice or water.
• B.dirt.
• C.oil or grease.
• D.mill scale.

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When conducting inspections the Inspector should follow which standards:

• A.Australian standards in Australia
• B.NACE and SSPC standards in North America
• C.The specified standards
• D.ISO standards in Europe and Asia

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The solvent sensitivity/solvent wipe test (ASTM D4752) is used to determine the cure of

• A.powder coatings.
• B.epoxies.
• C.inorganic zincs.
• D.urethanes.

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Dehumidification is defined as the removal of moisture vapor from the air to

• A.raise its relative humidity.
• B.lower its dew point,
• C.provide worker comfort.
• D.lower its temperature

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