In accordance with 46 CFR Subchapter F,...

🔍 Key Concepts

• Review 46 CFR Subchapter F sections for fuel oil systems and diesel fuel system design • Look for language about drain cocks, valves, and plugs used to remove water or impurities from fuel tanks or lines • Consider how regulations balance safety (fire risk, leakage) with practical operation and maintenance

💭 Think About

• Ask yourself: Does the regulation completely forbid such valves, require them, or allow them only under certain safety conditions? • Compare the choices that describe conditional permission (allowed if fitted a certain way) versus those that describe a complete requirement or complete prohibition. • Think about the fire and pollution risk: If a valve can accidentally be left open, what does the regulation likely require to minimize that risk?

✅ Before You Answer

• Locate the exact wording in 46 CFR Subchapter F about valves used to drain water or impurities from diesel fuel oil systems. • Check whether the text uses phrases like "shall be fitted" (required), "may be fitted" (permitted), or "must not be fitted" (prohibited). • Verify any required protective fittings (such as caps, plugs, or similar closures) that must be installed if such valves are allowed.

In accordance with 46 CFR Subchapter F, diesel fuel oil system valves for removing water or impurities are __________.

permitted, provided they are fitted with caps or plugs

required, if there are no separators installed on board

not required, provided there is a high and low tank suction

strictly prohibited

🔍 Key Concepts

💭 Think About

✅ Before You Answer