Prior to getting underway on the navigable...

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Question 1 of 205eccef9ebacbc34ba4d4671c

Prior to getting underway on the navigable waters of the United States, within 12 hours, according to 33 CFR regulations governing ports and waterways safety, certain tests are required. Which of the following are included in the tests that must be performed? 1) Operation of the main propulsion machinery, ahead and astern. 2) Operation of the low lube oil pressure trip on the main engine. 3) Operation of the reverse power relay on the emergency generator. 4) Operation of the over speed trip on the ship's service diesel generator. 5) Operation of the emergency generator.

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🔍 Key Concepts

• 33 CFR Part 164 – especially the section on Tests before entering or getting underway • The difference between tests of propulsion/steering vs tests of protective trips and relays • Which systems are safety‑critical for control of the vessel just before sailing

💭 Think About

• Ask yourself: immediately before getting underway, what does the Coast Guard want you to PROVE works – the things that actually move and control the vessel, or the internal protection devices on individual machines? • Look at each numbered test and group them into: (a) things that directly affect your ability to maneuver the vessel, and (b) internal protective trips on engines/generators. Which group is clearly emphasized in 33 CFR? • Think about which tests are more likely done on a regular planned maintenance schedule, and which are specifically required within 12 hours before departure.

✅ Before You Answer

• Verify in 33 CFR 164.25 which items are explicitly listed as tests "before entering or getting underway" on U.S. navigable waters. • Check whether main propulsion machinery ahead and astern is specifically named in that list. • Check whether emergency generator operation (as a whole) is mentioned there, versus detailed testing of individual trips like low lube oil, reverse power, or overspeed.

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