In accordance with 46 CFR Subchapter F, what...

Question 1 of 2707066636eef28f7522a1c51f64c

In accordance with 46 CFR Subchapter F, what device is used as a safety feature for the unit shown in the illustration? Illustration MO-0116

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Question 1 of 27070

In accordance with 46 CFR Subchapter F, what device is used as a safety feature for the unit shown in the illustration? Illustration MO-0116

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🔍 Key Concepts

• Consider what happens to this geared starting unit AFTER the main engine fires and begins to drive the gear train on its own. • Think about which choice is specifically designed to let a drive turn the load, but prevent the load from back‑driving the starter mechanism. • Relate the function of the device to a safety requirement in 46 CFR Subchapter F for protecting starting motors and gear trains from overspeed or mechanical damage.

💭 Think About

• On this illustration, if the engine suddenly accelerates, what part of the system must be protected from being driven too fast by the larger gear and flywheel? • Which option in the list is a purely mechanical device that automatically protects rotating parts, without needing electrical power or an operator to move a valve handle? • Look at the small gear that meshes with the large gear: which type of device would you expect to be built into that connection to prevent reverse torque back into the starter?.

✅ Before You Answer

• Verify which listed device is commonly used between a starter drive and an engine gear or flywheel to prevent back‑driving. • Eliminate any choices that require active human operation (like moving a lever) rather than providing automatic protection. • Confirm from 46 CFR Subchapter F that starting systems must have a means to prevent damage to the starter when the engine speed exceeds the starter speed; match that requirement to the most appropriate device in the list.