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Which technology uses distributed sensors to monitor structural health of bridges and buildings?
- IoT
- Blockchain
- VR
- 3D Printing
Answer: IoT
IoT sensors (strain gauges, accelerometers, temperature) embedded in infrastructure monitor stress, vibrations, and environmental conditions in real-time. Data analytics predict maintenance needs and prevent failures. Critical for smart cities, disaster resilience, and extending asset lifespan with predictive maintenance.