CHEMCO Exit Exam • Set 5 Question 2 of 30

A single fitting installed in a pipeline that either blanks off the pipe or allows a full flow passage of a liquid through the pipe is referred to as a _____.

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Direct Answer

Option D: spectacle flange

A spectacle flange, also known as an 'eight' figure blank, is a single fitting with two distinct positions: one fully open for flow and one fully closed (blanked), used for isolating pipelines.

All Options

blind flange

pivot coupling

quick-release coupling

spectacle flange (Correct Answer)

Detailed Explanation & Context

A spectacle flange, also known as an 'eight' figure blank, is a single fitting with two distinct positions: one fully open for flow and one fully closed (blanked), used for isolating pipelines.

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Chemical Tanker Cargo Operations (CHEMCO).

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