🎓 Basic Instrumentation Interview Questions & Answers – For Oil & Gas, Power & Construction Industry 💬 Comment "Instrumentation" below to get the full PDF guide. Are you preparing for an Instrumentation Engineer or Technician interview? ✅ Basics of Measurement, Sensors, and Transducers ✅ PLC, DCS, PID Control & Feedback Loops ✅ Calibration, Control Valves, and Pressure Instruments ✅ Temperature, Flow & Level Measurement Principles ✅ Field Instrumentation, Loop Checking & Signal Standards 📌 Id