The GATE Grind

GATE Sensors and Industrial Instrumentation: Flow and level measurement – Previous Year Questions

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

  1. GATE 2023 IN Q13 (1 mark, Multiple choice) – Which flow meter offers the lowest resistance to flow? Source note: the published paper lists “Orifice flow meter” as option B. Its footnote states…
  2. GATE 2024 IN Q12 (1 mark, Multiple choice) – The pressure drop across a control valve is constant. Its inherent characteristic has decreasing sensitivity. If x is the fraction of maximum stem…
  3. GATE 2024 IN Q32 (1 mark, Numerical answer) – The 0–10 kΩ linear potentiometer shown measures water level. Resistance between A and C changes linearly from 0 to 10 kΩ as water level changes from 0…