GATE Sensors and Industrial Instrumentation: Displacement force and pressure measurement – Previous Year Questions

3 GATE previous year questions on Displacement force and pressure measurement (Sensors and Industrial Instrumentation, Instrumentation Engineering) with answers and explanations, from every paper.

1. GATE 2021 IN Q29 (1 mark, Numerical answer) – Given mercury density 13600 kg/m3, gravity 9.81 m/s2, and atmospheric pressure 101 kPa, a mercury U-tube manometer shows liquid-height difference 1…
2. GATE 2022 IN Q12 (1 mark, Multiple choice) – A pneumatic nozzle-flapper system is conventionally used to convert
3. GATE 2025 IN Q22 (1 mark, Multiple choice) – Match the sensors with their most suitable applications. Sensors: P. Rotary Variable Differential Transformer Q. Thermocouple R. Ionization Gauge S.…