The secrets of the mysterious tanker truck chain
Discover the crucial role of the discreet element that accompanies tanker trucks, ensuring safety during the transport of flammable substances.
Static electricity: a little-known danger
When a tanker truck is moving, the contact between the dry air inside the tank and the metal walls produces static electricity. This phenomenon, common in everyday life (like when you take off a wool sweater), can become extremely dangerous in this specific context.
What dangers does this entail?
- Accumulation of electrical charges: Static electricity concentrates on the metallic surface of the tank.
- Discharge and sparks: In the absence of a discharge of these charges, sparks may occur when they are suddenly released.Imagine a spark near highly flammable substances such as gasoline: the risk of fire or explosion is considerable.The chain: an essential element for grounding
To neutralize these electrical charges, tanker trucks are equipped with a suspended metal chain that drags on the ground. continues on the next page.
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