To lubricate the swivel or remove corrosion...

To lubricate the swivel or remove corrosion...

Question 1 of 27070

Q

To lubricate the swivel or remove corrosion from a fire hose coupling, which should be used?

A

Graphite

B

Fresh water and soap

C

Glycerine

D

Kerosene

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Question 1 / 2707066636eec28f7522a1c51c699

Question 1 of 2707066636eec28f7522a1c51c699

To lubricate the swivel or remove corrosion from a fire hose coupling, which should be used?

Question 1 of 27070

Study area:

Study area:

Q

To lubricate the swivel or remove corrosion from a fire hose coupling, which should be used?

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🔍 Key Concepts

• Properties of common lubricants used on firefighting equipment • Fire safety and flammability risk of cleaning/lubricating agents • Effect of different substances on rubber gaskets and hose materials

💭 Think About

• Which option would be safest to use around open flames or high heat during a fire emergency? • Which substance is least likely to damage rubber gaskets, seals, and hose materials over time? • Which choice sounds more like a gentle cleaner/conditioner rather than a harsh solvent or fuel?

✅ Before You Answer

• Eliminate any option that is flammable or could increase fire risk • Avoid substances that act as strong solvents that might attack rubber or hose materials • Prefer an option commonly used for delicate equipment or medical/skin contact, indicating it is mild and non-corrosive