Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 7th Sem 2171710 Process Dynamics And Control Previous Question Paper
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?VII (NEW) EXAMINATION ? WINTER 2020
Subject Code:2171710 Date:30/01/2021
Subject Name:Process Dynamics and Control
Time:10:30 AM TO 12:30 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1 (a) Explain dynamic behavior of first order linear system for unit
03
step input.
(b) Compare different system identification methods.
04
(c) Explain basic control strategies for heat exchanger.
07
Q.2 (a) Explain single and two element level control schemes for boiler.
03
(b) Discuss the factors needs to be taken care while developing
04
mathematical models to describe process dynamics of the
system.
(c) Explain response to changes in steam temperature for heat
07
exchanger.
Q.3 (a) Explain burner management system for boiler.
03
(b) Discuss factors governing the conduct of reaction for chemical
04
reactors.
(c) Explain flow and pH control for chemical reactors.
07
Q.4 (a) Explain sequential & logic control in batch process.
03
(b) Explain countercurrent type heat exchangers.
04
(c) Discuss the importance of overhead and bottom composition
07
control in distillation column.
Q.5 (a) Explain distillate reflux flow control for distillation column.
03
(b) Explain mass and energy balance for distillation column.
04
(c) Describe control schemes for waste-water treatment plant.
07
Q.6 (a) Explain steam temperature control for boiler.
03
(b) Explain basic functionality of pumps and compressors for waste-
04
water treatment plant.
(c) Discuss the effects of lag in liquid and vapor flow on frequency
07
response of a distillation column.
Q.7 (a) Explain three element level control for boiler.
03
(b) Explain dynamic behavior of second order non-linear system
04
with suitable example.
(c) Explain unit operations in paper industry with the help of
07
suitable process flow diagram.
1
Q.8 (a) Explain pressure control for boiler.
03
(b) Discuss the importance of end point detection for continuous and
04
batch reactors.
(c) Explain unit operations in petrochemical industry with the help
07
of suitable process flow diagram.
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This post was last modified on 04 March 2021