dropping test

dropping test

[′dräp·iŋ ‚test]
(metallurgy)
A chemical method for determining thickness of zinc and cadmium plated coatings on metal in which a reagent is dropped on the surface until the basis metal is exposed.
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References in periodicals archive ?
John Burke, quality chief at Nissan in Sunderland, Tyne and Wear, said: "It may seem bizarre that we go to such extremes but if the paint doesn't pass the bird dropping test it doesn't get onto the car.
Before year-end MSN3 will start parachute dropping tests while cold weather trials are planned for February.