Name:
Reg. No: B
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
07 THRISSUR CLUSTER
SECOND SEMESTER M.TECH DEGREE EXAMINATION, April 2017
Chemical Engineering
(Process Control)
07CH 6104 Process Dynamics and control II
Max. Marks 60 Duration: 3 Hours
Answer all six questions. Part of each question is compulsory.
Answer either part or part of each question
Q.no. Module 1 Marks
1a State the assumptions involved in steam jacketed kettle 4
Answer b or c
b
Derive the steam side transfer equations for the temperature control in a steam
jacketed kettle
5
c Derive the dynamics of a two plate bubble cap gas absorber 5
Q.no. Module 2 Marks
2a Differentiate the characteristics of distributed and lumped parameter systems 4
Answer b or c
b
Derive the expression for heat conduction into a solid
5
c
Show that the transportation lag as an inherently distributed parameter system.
5
Q.no. Module 3 Marks
3a
Explain the control schemes for heat exchanger
4
Answer b or c
b
Briefly describe material balance control schemes for distillation control with neat
5
figures
c Derive the dynamics of a steam heated heat exchanger 5
Q.no. Module 4 Marks
4a Describe any one case study in DCS 4
Answer b or c
b
Compare centralized control system with DCS
.
5
c Describe DCS protocols and communication in DCS 5
Q.no. Module 5 Marks
5a Write short note on SCADA 5
Answer b or c
b Explain the basic principles of PLC controllers. 7
c
Explain fuzzy logic control with an example.
7
Q.no. Module 6 Marks
6a
Compare position form of algorithm with velocity form of PID algorithm
5
Answer b or c
b Describe the stability of discrete type control system. 7
c Find the closed loop response of a first order process under proportional digital
control for servo problem and find offset
7