Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 6th Sem Old 161702 Process Control Previous Question Paper
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Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VI (OLD) EXAMINATION ? WINTER 2018
Subject Code:161702 Date: 04/12/2018
Subject Name: Process Control
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) Classify the controller on the basis of modes of controller. Explain in detail 07
(b) Write a note on necessity, importance and requirement of process control 07
Q.2 (a) What is feedback control? Write the elements of feedback control system with
necessary figure
07
(b) What are the approaches to control 07
OR
(b) What are the types of modelling? Also how to linearize the non linear system 07
Q.3 (a) Give the example of temperature-flow cascade control system. Explain the
design criteria for the cascade control
07
(b) What do you mean by offset in case of proportional controller mode? How
offset can be eliminated? How PI control is better than only P controller?
07
OR
Q.3 (a) Explain feedback-feedforward control scheme with example? 07
(b) Discuss floating control mode in detail 07
Q.4 (a) Explain the composite PI Controller with equation, transfer function and draw
the response of PI controller to step input of error. Clarify the unit of gain of Ki.
07
(b) Write notes on ratio control 07
OR
Q.4 (a) Enumerate feed forward control scheme with neat application diagram. 07
(b) Explain the Zeigler Nichols method of controller tuning with example. 07
Q.5 (a) Explain static error, velocity error and offset 07
(b) Explain split range control operation in detail 07
OR
Q.5 (a) Implement the Integral (I) control mode using operational amplifiers circuits 07
(b) Explain selective control with suitable example 07
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This post was last modified on 20 February 2020