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Steel, Ties, and Technology: The Railway Track Inspection Quiz
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What is Ground Penetrating Radar (GPR) used for in railway inspections?
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Hint
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⚖️
50-50
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Audience
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A
Measuring rail head wear
B
Detecting internal voids and moisture in the ballast and subgrade
C
Assessing overhead wire tension
D
Identifying cracks in steel wheels
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