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Derive and plot the response of impulse function for first order system 𝑌(𝑠) 𝑋(𝑠) = 1 𝜏𝑠+1.
Prove that for liquid level system with constant flow outlet the step change in initial flow rate gives response as a ramp function which grows without limit.
Show that the ultimate change in height H(t) for a unit step change in initial flowrate Q(t) is simply resistance R.
For second order critically damped system find the value of Y(t) for unit step change in X(t). 𝑌(𝑠) 𝑋(𝑠) = 1 𝜏2𝑠2+2 ε𝜏𝑠+1
Explain the Cohen – Coon controller tuning method for setting of parameter in P, PI, and PID feedback control system.
Determine stability using Root locus diagram for the open loop transfer function 𝐺(𝑠) = 𝐾𝑐 (𝑠+1)(0.5𝑠+1)
Find the overall transfer function C(S)/U(S) for change in load (R= 0) for given control system +U R + + C
Draw Piping and instrumentation diagram for control system of heat exchanger with suitable labelling.
Discuss in detail about Pneumatic control valve with figure. 07 Gc G1 G2 H
Determine the stability of the system shown in Fig. for which a PI controller is used. Use τ1 =1, τ2 =1/2, τ3 = 1/3, kc = 5 and τI = 0.25 using routh criteria. 𝐺1 = 𝑘𝑐(1 + 1 τ𝐼𝑆) + U C + R +
Draw Bode diagram plots for first order system having Amplitude Ratio AR = 1 √𝜏2𝜔2+1
Explain Ratio control with suitable example. 𝐺1 𝐺2 = 1 (𝜏1𝑠 +
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Official Gujarat Technological University (GTU) examination paper for Instrumentation and Process Control (Summer 2025, B.E. · Chemical Engineering, Sem 5). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.
3150504 Instrumentation and Process Control
Official GTU PDF · Summer 2025
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