What is the definition of normalizing?

• A.Heating to and holding at a suitable temperature and then cooling at a suitable rate to reduce hardness, improve machinability, facilitate cold working, etc.
• B.Rapid cooling of a heated metal
• C.Process where a ferrous metal is heated to a suitable temperature above the transformation range and is subsequently cooled in still air at room temperature.
• D.Heating an alloy to a suitable temperature, holding that temperature long enough to allow constituents to enter into solid solution and then cooling ~ rapidly enough to hold the constituents.

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With respect to a Class 400, NPS 12 slip on raised face flange, whose edges of the gasket do not extend to the bolt, what is the outside diameter of the gasket?

• A.12.75"
• B.18.00"
• C.15.00"
• D.16.50"

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A piping system started with a wall thickness of 0.375 inches. Over a five year period the wall thickness is now 0.1".
What is the long term corrosion rate?

• A.0.005 inches per year
• B.Not enough information given
• C.0.055 inches per year
• D.550 Inches per year

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All piping system repair and alteration welding shall be done in accordance with:

• A.ASME B31.G
• B.The code to which the system was built.
• C.ASME BPV IX
• D.API 570

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For 1 1/4" thick carbon steel, what is the recommended preheat temperature?

• A.235°F
• B.175°F
• C.None
• D.300°F

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