A grease gun is generally used to lubricate...

A grease gun is generally used to lubricate...

Question 1 of 270705eccef9cbacbc34ba4d45b26

A grease gun is generally used to lubricate a __________.

Question 1 of 27070

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Q

A grease gun is generally used to lubricate a __________.

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🔍 Key Concepts

• Types of bearings commonly found on marine machinery (journal, sleeve, vs. ball/roller bearings) • How grease lubrication is usually applied compared to oil lubrication (pressure gun vs. pressurized oil system or splash lubrication) • Which components typically have self-contained grease fittings (zerk fittings)

💭 Think About

• Look at each bearing type and ask: is this usually pressure-lubricated with circulating oil, splash-lubricated, or spot-lubricated with grease? • Consider which of these parts normally rotates at very high speed and high load and therefore needs a continuous oil supply rather than periodic greasing. • Think about where you would most likely find a small grease fitting that a mechanic would visit periodically with a grease gun.

✅ Before You Answer

• Identify which choices are usually served by forced oil systems rather than grease. • Check which bearing type is most commonly associated with ball bearings that are sealed or packed with grease. • Eliminate any components that are large, critical primary propulsion bearings that would almost never rely on a simple grease gun.