Which cargo is carried by a highway tanker that has a smaller-diameter tank with several reinforcing rings around the circumference?

Get ready for the MFRI Hazardous Materials Exam. Prepare with flashcards and multiple choice questions, each with hints and explanations. Ace your exam!

The correct answer is that a highway tanker designed with a smaller-diameter tank and several reinforcing rings around its circumference is commonly used for transporting corrosives. The construction features, such as the reinforcing rings, are specifically intended to withstand the pressure and potential structural stresses that can result from transporting hazardous materials like corrosives.

Corrosives require specialized containment to prevent leaks and damage, given their ability to chemically react with and deteriorate other materials. The design of a tanker for such substances is crucial. A smaller diameter reduces the volume of corrosive material that can cause significant damage if a leak occurs, while the reinforcing rings increase the integrity and safety of the tank under pressure.

In contrast, the other options involve different transportation requirements and safety features. Flammable liquids typically require tanks that can withstand explosions or fires and may have a larger diameter for efficient containment. Non-hazardous materials do not necessitate reinforced tanks to the same extent as corrosives. Compressed gases often require specialized valve and release mechanisms, which would differ from the design needed for corrosive content.

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