GATE Instrumentation and Process Control: Controller modes, control valves and tuning – Previous Year Questions
7 GATE previous year questions on Controller modes, control valves and tuning (Instrumentation and Process Control, Chemical Engineering) with answers and explanations, from every paper.
- GATE 2022 CH Q21 – A control system on the jacket side of a reactor is shown in the figure. Pressurized water flows through the jacket to cool the reactor. The heated…
- GATE 2022 CH Q22 – Liquid flowing through a heat exchanger (HX) is heated. A bypass stream is provided to control the temperature of the heated exit stream. From the…
- GATE 2022 CH Q59 – Consider the tank level control system shown in the figure, where the cross-section area of the tank is A. Assume perfect flow controllers (FC). The…
- GATE 2024 CH Q23 – Consider the control structure for the overhead section of a distillation column shown in the figure. The composition controller (CC) controls the…
- GATE 2024 CH Q63 – Consider the surge drum in the figure. Initially the system is at steady-state with a hold-up V = 5 m3, which is 50% of full tank capacity, V full,…
- GATE 2026 CH Q44 – A control valve with hyperbolic characteristics has a turndown ratio (ratio of maximum flow to minimum controllable flow) of 50. The flow rate through…
- GATE 2026 CH Q50 – Consider three identical non-interacting first order processes in series, each having unit gain and a time constant of 2 min. Tuning of proportional…