A 5Cr-1Mo Piping System in the Hydrogen Unit Shows Significant

question 92

Multiple Choice

A 5Cr-1Mo piping system in the hydrogen unit shows significant internal wall loss after 2 years in service due to CO₂ corrosion. Which material would be best suited to use to install a new pipe system?

• A) Titanium
• B) 9Cr-1Mo
• C) A-106 Gr B
• D) 316 SS

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Definitions:

Interposition

A visual cue in depth perception where one object partially covers another, suggesting that the covering object is closer to the viewer.

Figure-Ground Relationship

A visual perception concept that describes how humans separate an object (the figure) from its surrounding area (the ground).

Perception

The organization, identification, and interpretation of sensory information to understand the environment.

Stimulus

Any event or situation that evokes a response from an organism.