According to 46 CFR regulations pertaining...

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Question 1 of 2066636eee28f7522a1c51e4ac

According to 46 CFR regulations pertaining to tests and inspections as related to automatic auxiliary boilers, the fuel supply control solenoids must be checked for proper shutdown operation. What must be checked for?

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🔍 Key Concepts

• 46 CFR requirements for automatic auxiliary boilers and their safety devices • The purpose of a fuel control solenoid valve in preventing unsafe fuel flow • Difference between electrical behavior (voltage to coil) and mechanical/functional behavior (valve position and leakage) during shutdown

💭 Think About

• In a safety shutdown, what is the most critical outcome needed to prevent fuel from entering the burner? Think about what condition actually makes the system safe, not just what happens electrically. • Consider whether the regulation is more concerned with the electrical signal to the solenoid coil or with what the valve itself is doing to the flow of fuel. • Ask yourself: during a test, what can the inspector actually verify visually or physically about the valve and fuel flow, and why would that matter for safety?

✅ Before You Answer

• Verify in 46 CFR what is required to be observed or confirmed during a shutdown test of fuel control solenoid valves. • Focus on whether the regulation emphasizes valve closure and fuel tightness versus only checking coil voltage. • Check which option clearly describes a measurable safety outcome (no unsafe fuel flow) rather than just an intermediate condition.

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