A Vacuum Tower Operating at 740º F Is Being Entered

question 257

Multiple Choice

A vacuum tower operating at 740º F is being entered to inspect. Several sets of Type 410 SS trays are bent at various angles. The trays are removed in order to straighten them. When an attempt is made to straighten them cracks form at the bends. What type of damage mechanism would cause the cracks to form?

• A) Hydrogen embrittlement
• B) Sulfide stress corrosion cracking
• C) 885º F embrittlement
• D) High temperature corrosion

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Definitions:

American Politics

Involves the political structure, processes, issues, and actors in the United States, including government institutions, political parties, and elections.

Issue Network

A network of people in Washington D.C. – including bureaucrats, members of Congress, lobbyists, and policy specialists – who regularly discuss and advocate for certain policies.

Public Officials

Individuals holding office in the government, elected or appointed, who are entrusted with administering and implementing public policies.

Brown V. Board of Education

A landmark United States Supreme Court case in which the Court declared state laws establishing separate public schools for black and white students unconstitutional.