GTU B.Tech 2020 Winter Question Papers || Gujarat Technological University
Subject Code: 2151704
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER-V (NEW) EXAMINATION - WINTER 2020
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Subject Name: Control System Components
Time: 10:30 AM TO 12:30 PM
Instructions:
- Attempt any FOUR questions out of EIGHT questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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| 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 necessary points consider into design and preparation of control room layout. | 07 | |
| Q.2 | (a) Why we need to given tag number to instruments? Given the general consideration we follow to assign the tag no. | 03 |
| (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 disadvantages | 07 | |
| 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 to replace or regenerate it as define periodic time. | 04 | |
| (c) Give the classification of control panels. Explain console Panel with sketch, advantage and disadvantage | 07 | |
| 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 relieving devices in brief | 07 | |
| 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 N.E.C. | 07 |
Date: 01/02/2021
Total Marks: 56
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