Question 218Steam Plants - 1st Asst/Chief
70% to passThe boiler shown in the illustration would be classed as MO-0064
Atwo-pass, water-tube
Btwo-pass, scotch marine
Csingle-pass, fire-tube, scotch marine
Dforced circulation, coil-type
AI Explanation
The correct answer is C) single-pass, fire-tube, scotch marine. The description of "single-pass, fire-tube, scotch marine" accurately matches the type of boiler shown in the illustration. A scotch marine boiler is a type of fire-tube boiler where the hot gases from the furnace pass through the boiler only once before exiting, making it a single-pass design. This type of boiler is commonly used on smaller vessels. The other answer choices do not fit the description of the boiler in the illustration. A two-pass, water-tube boiler, a two-pass, scotch marine boiler, and a forced circulation, coil-type boiler have different designs and characteristics that do not match the provided information.
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