Question 61Steam Plants - 1st Asst/Chief

70% to pass

In a coil-type forced circulation auxiliary water-tube boiler, _______________.

Asteam demand response is comparatively rapid
Bsteam is recirculated through heating coils in the boiler
Cunevaporated feed water is discharged through the skim tube
Dsteam demand response is slow
AI Explanation

The correct answer is A) steam demand response is comparatively rapid. In a coil-type forced circulation auxiliary water-tube boiler, the steam demand response is comparatively rapid. This is because the boiler design allows for quick adjustments to steam production to meet changing steam demand. The forced circulation of water through the heating coils enables a more efficient heat transfer and a quicker response to changes in steam requirements. The other options are incorrect. Option B is incorrect because the steam is not recirculated through the heating coils. Option C is incorrect because the unevaporated feed water is not discharged through the skim tube in this type of boiler. Option D is incorrect because the steam demand response is comparatively rapid, not slow, in a coil-type forced circulation auxiliary water-tube boiler.

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Official Resources
46 CFR Machinery & Electrical 46 CFR Engineering USCG National Maritime Center
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