Which of the following are not allowed when performing thickness testing on TFIFRM?

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Multiple Choice

Which of the following are not allowed when performing thickness testing on TFIFRM?

Thickness testing demands accuracy, representativeness, and attention to the substrate. Using gauges that aren’t calibrated undermines the reliability of every measurement because their readings can drift over time and across devices. Ignoring substrate conditions is risky because the surface material, roughness, moisture, or contamination can affect how the coating thickness is measured and interpreted. Testing only at the deck edge misses variations that occur across the area, around structural details, and at different substrates, so it won’t give a true picture of overall thickness. Since none of these improper practices should be done, the correct approach is that all of the listed actions are not allowed. Use calibrated gauges, evaluate substrate conditions, and measure at multiple, representative locations—not just the edge.

Thickness testing demands accuracy, representativeness, and attention to the substrate. Using gauges that aren’t calibrated undermines the reliability of every measurement because their readings can drift over time and across devices. Ignoring substrate conditions is risky because the surface material, roughness, moisture, or contamination can affect how the coating thickness is measured and interpreted. Testing only at the deck edge misses variations that occur across the area, around structural details, and at different substrates, so it won’t give a true picture of overall thickness.

Since none of these improper practices should be done, the correct approach is that all of the listed actions are not allowed. Use calibrated gauges, evaluate substrate conditions, and measure at multiple, representative locations—not just the edge.

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