Define step and input function.
[3 marks]Find the Laplace transform of f(t) = 1 & f(t) = t
[4 marks]Derive the transfer function of mercury thermometer. Determine the response equation of mercury thermometer for step function.
[7 marks]Solve dx +3x = 0,x(0)= dt
[3 marks]Derive the transfer function for Interacting system.
[4 marks]Solve the following differential equation by Laplace transform: d3x d2x dx +2 − −2x = 4+e2t dt3 dt2 dt x(0) 1, x' (0) 0, x'' 1
[7 marks]Find the inverse Laplace Transform of the function: 4S 5 x(s) S 12(S 2)
[7 marks]Define dead zone and dead time lag
[3 marks]Explain Servomechanism type problem and Regulator problem
[4 marks]Define second order system. Derive the transfer function of U-Tube Manometer
[7 marks]Derive transfer function for transportation lag.
[3 marks]Define: overshoot, decay ratio, response time and period of oscillations.
[4 marks]Write a note on Bellows differential pressure element with neat sketch.
[7 marks]Distinguish between Negative Feedback and Positive Feedback.
[3 marks]Describe the importance of root locus method in brief.
[4 marks]Discuss pressure spring thermometer with neat sketch.
[7 marks]Highlight on hygrometer & hydrometer.
[3 marks]Differentiate between Open loop and closed loop control system.
[4 marks]Given the characteristic equation, determine the stability by the Routh criterion s4 + 3s2 + 5s2 + 4s + 2 = 0
[7 marks]Describe PLC, DCS, and SCADA in brief.
[3 marks]Describe the bubbler system for liquid level measurement with neat sketch.1
[4 marks]The set point of the control system shown in figure below is given a step change of 0.1 unit. Determine: (a) The maximum value of Cand (b) The offset. + 5/[(s+1)(2s+1)] R Kc=1.6 C -
[7 marks]Write significance of gain margin and phase margin.
[3 marks]What is offset? Explain P, PI and PID controller.
[4 marks]Plot the bode diagram for the system whose overall transfer function is 1/(s+1)(s+5)
[7 marks]