Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 5th Sem 2151704 Control System Components Previous Question Paper
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?V (NEW) EXAMINATION ? WINTER 2020
Subject Code:2151704 Date:01/02/2021
Subject Name:Control System Components
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) List out any six necessary control valve accessories.
03
(b) Draw ISA Symbol for four component used into any analog closed loop in industry.
04
(c) What is control room layout? Explain it with any one suitable example. Give
07
necessary points consider into design and preparation of control room layout.
Q.2 (a) Why we need to given tag number to instruments? Given the general consideration
03
we follow to assign the tag no.
(b) Justify statement : Smart transmitter is consider smart into process automation.
04
(c) List out pneumatic transmitters. Explain any one in detail.
07
Q.3 (a) Justify statement : control valve is act as final control element into process loop.
03
(b) Define valve capacity and valve rangeability.
04
(c) Describe Butterfly Valve in detail with net sketch, application, advantages and
07
disadvantages
Q.4 (a) Explain control valve flow characteristics.
03
(b) Given testing processor of control valve.
04
(c) Explain the criteria for the selection of control valves
07
Q.5 (a) List out various type of communication system used into control room and plant.
03
(b) Explain any one Electrical power system used for control room
04
(c) Draw and explain instrumentation air system diagram in detail.
07
Q.6 (a) Differentiate: Instrumentation air and compressed air.
03
(b) What is purpose of dryer into instrumentation air system. Given reason why we need
04
to replace or regenerate it as define periodic time.
(c) Give the classification of control panels. Explain console Panel with sketch, advantage
07
and disadvantage
Q.7 (a) List out various indicators used into industry.
03
(b) Given the application of recorder into industry. Explain its working principal briefly.
04
(c) What is the importance of pressure relieving devices? Discuss about types of pressure
07
relieving devices in brief
Q.8 (a) Given the function of annunciator used industry alarm system.
03
(b) Explain intrinsic safe instruments
04
(c) Write a short note on classification of hazardous area and material according to
07
N.E.C.
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This post was last modified on 04 March 2021