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The minimum acceptable particle concentration for wet fluorescent magnetic particle inspection is
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1.2 ml to 2.4 ml per 100 ml of vehicle
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0.1 ml to 0.4 ml per 100 ml of vehicle
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Both A and B are acceptable
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Neither A or B are acceptable
That's Correct!
It's Wrong!
The correct answer is 0.1 ml to 0.4 ml per 100 ml of vehicle. This concentration range is considered acceptable for wet fluorescent magnetic particle inspection. It ensures that there is a sufficient concentration of particles in the vehicle to effectively detect any defects or cracks in the material being inspected. Concentrations below this range may result in inadequate particle coverage and reduced sensitivity, while concentrations above this range may lead to excessive background fluorescence and decreased contrast, making it more difficult to identify defects.
