Question 114Steam Plants - 1st Asst/Chief70% to pass
The items labeled "D" and "M" as indicated on the illustration are commonly called _________________. Illustration SG-0020
AI Explanation
The correct answer is A) mica sheets.
The items labeled "D" and "M" on the illustration SG-0020 are commonly referred to as mica sheets. Mica is a mineral that is used in electrical equipment due to its insulating properties. In the context of a US Coast Guard Captain's License Examination, mica sheets are often used as insulating materials in various electrical components.
The other answer choices are incorrect because glass inserts, cork gaskets, and face plates are not the common terms used to describe the labeled items in the provided illustration.
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