Download GTU BE/B.Tech 2018 Winter 7th Sem New 2171710 Process Dynamics And Control Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 7th Sem New 2171710 Process Dynamics And Control Previous Question Paper

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1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?VII (NEW) EXAMINATION ? WINTER 2018
Subject Code: 2171710 Date: 29/11/2018

Subject Name: Process Dynamics and Control

Time: 10:30 AM TO 01:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

MARKS

Q.1 (a) Discuss shrinking and swelling effects in boiler with respect to
control strategies.
03
(b) Explain mass and energy balance in distillation column. 04
(c) Discuss different design aspects for waste water treatment plant. 07

Q.2 (a) Compare batch, continuous and packed-bed reactors. 03
(b) Explain stability of reactor and effects of lag. 04
(c) Explain end point detection for continuous and batch reactor. 07
OR
(c) Explain the unit operations of paper industry with suitable
process flow diagram.
07
Q.3 (a) Explain dynamic behavior of first order linear system. 03
(b) Explain countercurrent type exchangers. 04
(c) Discuss the importance of system identification for sugar and
cement industry.
07
OR
Q.3 (a) Explain dynamic behavior of second order linear system. 03
(b) Compare different system identification methods. 04
(c) Explain the unit operations of pharma industry with suitable
process flow diagram.
07
Q.4 (a) Explain dynamic compensation of boiler. 03
(b) Explain steam temperature and pressure control for boiler. 04
(c) Discuss the effects of lag in flow rates on dynamic behavior of
distillation column.
07

OR
Q.4 (a) Describe feedforward control of feed water in boiler. 03
(b) Describe overhead composition control in distillation column. 04
(c) Discuss different control schemes for heat exchanger. 07
Q.5 (a) Explain the roll of compressor in development of waste-water
treatment plant.
03
(b) Describe bottom composition control in distillation column. 04
(c) Explain development of mathematical model with suitable
example for process with dead time.
07
OR

Q.5 (a) Describe inverse response for boiler. 03
(b) Explain the need of three element control strategy for boiler. 04
(c) Explain the unit operations of fertilizer industry with suitable
process flow diagram.
07

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