Which material pair is noted for high abrasion resistance in nozzles?

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Study for the Maryland Pesticide Applicator Category 3: Ornamental and Turf Test. Access study materials with flashcards and multiple choice questions, each with hints and explanations. Prepare thoroughly for certification!

Multiple Choice

Which material pair is noted for high abrasion resistance in nozzles?

Explanation:
High abrasion resistance in nozzles comes from using very hard, wear-resistant materials for the wetted parts. Tungsten carbide is extremely hard and resists grinding by abrasive particles, while stainless steel adds strong, durable surface properties and good corrosion resistance. Together, they keep the nozzle opening accurate and maintain consistent spray characteristics even when the mixture contains abrasive materials. Softer materials like brass, aluminum, or plastic wear more quickly in abrasive flows, which is why they’re not noted for high abrasion resistance.

High abrasion resistance in nozzles comes from using very hard, wear-resistant materials for the wetted parts. Tungsten carbide is extremely hard and resists grinding by abrasive particles, while stainless steel adds strong, durable surface properties and good corrosion resistance. Together, they keep the nozzle opening accurate and maintain consistent spray characteristics even when the mixture contains abrasive materials. Softer materials like brass, aluminum, or plastic wear more quickly in abrasive flows, which is why they’re not noted for high abrasion resistance.

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