Download GTU BE/B.Tech 2019 Winter 7th Sem New 2171710 Process Dynamics And Control Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 7th Sem New 2171710 Process Dynamics And Control Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ? VII (New) EXAMINATION ? WINTER 2019
Subject Code: 2171710 Date: 03/12/2019

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)
Briefly explain shrinking and swelling effects in boiler.
03
(b) Derive mathematical model for first order system. 04
(c)
Explain the unit operations used in food and pharmaceutical
Industries with suitable process flow diagram.
07

Q.2 (a)
Explain column pressure control in distillation column
03
(b)
Explain measurement lag. Narrate various installation techniques of
thermocouple in well.
04
(c)
Explain three element control strategy for boiler. Discuss its advantages
over single and two element control strategies.
07
OR
(c)
Explain dynamic response of heat exchanger to change in steam
temperature
07
Q.3 (a) Derive mathematical model for thermocouple without thermo well. 03
(b) Enlist two major importance of burner management system. Explain
burner management system for boilers.
04
(c)
What is frequency response for distillation column? Explain importance of
it with necessary equations.
07
OR
Q.3 (a)
What is inverse response? Explain with reference to boiler.
03
(b)
Compare batch, continuous and packed-bed reactors.
04
(c)
Discuss different control schemes for heat exchanger.
07
Q.4 (a) Compare batch process and continuous process with its applications. 03
(b)
Write short note on sequential control in batch process
04
(c)
Discuss different design aspects for waste water treatment plant
07
OR
Q.4 (a)
Write a brief note on countercurrent exchangers.
03
(b)
Explain dynamic behavior of second order linear system.
04
(c)
Explain the unit operations of fertilizer industry with suitable process flow
diagram
07
Q.5 (a)
Discuss pH control for chemical reactors in brief.
03
(b)
Discuss mass and energy balance in distillation column with necessary
equation.
04
(c)
Discuss various direct and indirect methods of controlling overhead
composition in a distillation column.
07
OR

Q.5 (a) Explain system identification with one example. 03
(b)
Draw and explain diagram of feed forward control of feed water in boiler.
04
(c)
Explain basic flow chart of unit operations of paper industries.
07

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