A fire starting by spontaneous combustion...

Question 1 / 2707066636eec28f7522a1c51c308

Question 1 of 2707066636eec28f7522a1c51c308

A fire starting by spontaneous combustion can be expected in which condition?

Question 1 of 27070

A fire starting by spontaneous combustion can be expected in which condition?

🔍 Key Concepts

• Spontaneous combustion and how it differs from ignition by an external heat source • Materials that can generate heat internally due to chemical reactions (e.g., oxidation of oils) • The role of ventilation vs. confinement in allowing heat to build up

💭 Think About

• Which option involves a material that can slowly oxidize or react on its own and build up heat without a flame or spark? • In which choice is heat most likely to be trapped so it cannot escape, allowing temperature to rise to ignition point? • Which scenario describes a normal stowage condition that does NOT in itself create heat, versus one that does?

✅ Before You Answer

• Identify which items listed are known to be self-heating (for example, oil‑soaked materials vs. inert metals). • Check whether the situation depends on an external heat source (like a light bulb or ambient heat) or could occur with no outside ignition. • Verify which condition would be considered a poor stowage practice in fire‑prevention guidance because of risk of spontaneous heating.

Question 1 of 27070

A fire starting by spontaneous combustion can be expected in which condition?

Oily rags are stowed in a metal pail.

Inert cargoes such as pig iron are loaded in a wet condition.

Clean mattresses are stored in contact with an electric light bulb.

Paints, varnish, or other liquid flammables are stowed in a dry stores locker.

Question 1 / 2707066636eec28f7522a1c51c308

Question 1 of 2707066636eec28f7522a1c51c308

A fire starting by spontaneous combustion can be expected in which condition?

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Question 1 of 27070

A fire starting by spontaneous combustion can be expected in which condition?