Question 200General Subjects - 1st Asst/Chief
70% to passExpansion tanks when used in a ship's low temperature hot water heating system may be of the open or closed type. Referring to the illustrated central-station hookup for a hot water heating system drawing, what would be the normal temperature range of the water? Illustration GS-0151
A180oF to 200oF
B220oF to 240oF
C260oF to 280oF
D320oF to 360oF
AI Explanation
The correct answer is A) 180°F to 200°F. In a low temperature hot water heating system, the normal temperature range of the water is typically between 180°F and 200°F. This is because low temperature hot water heating systems are designed to operate at relatively lower temperatures compared to high temperature systems, which may reach up to 320°F to 360°F (option D). The other options, B) 220°F to 240°F and C) 260°F to 280°F, are higher temperature ranges that are more characteristic of high temperature hot water heating systems, which are not the focus of the question.
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