GTU BE 2019 Summer Question Papers || Gujarat Technological University
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-V (NEW) EXAMINATION - SUMMER 2019
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Subject Code: 2151704
Subject Name: Control System Components
Time: 02:30 PM TO 05:00 PM
Date: 20/06/2019
Total Marks: 70
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Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
| Q.1 | (a) Draw ISA Symbol for electrical line, actuator, Ball Valve. | 03 |
| (b) Explain following valve terminology --- Content provided by FirstRanker.com --- 1) Cavitation 2) Rangeability 3) Valve positioned 4) Trim | 04 | |
| (c) Explain the layout of a control room with suitable diagram. | 07 | |
| Q.2 | (a) How to describe tag number of instrument installed in a loop. | 03 |
| (b) Describe panel piping and tubing. | 04 | |
| (c) Explain the Electrical power system used for control room. | 07 | |
| OR | ||
| (a) Explain the classification of compressors used for instrument air system | 03 | |
| (b) Explain compressor control in detail. | 04 | |
| (c) Explain desiccant type dryers in detail. | 07 | |
| Q.3 | (a) Explain instrument air supply system for any process industry with suitable diagram. | 03 |
| (b) Explain butterfly valve in detail. | 04 | |
| (c) Differentiate between single port & double port design of globe valve. | 07 | |
| OR | ||
| (a) Explain different Control valve flow characteristics. | 03 | |
| (b) Explain frequency to voltage converter: | 04 | |
| (c) Explain pneumatic to electric converters in detail. | 07 | |
| Q.4 | (a) Explain the criteria for the selection of control valves. | 03 |
| (b) Explain V/I Converter with suitable Example. | 04 | |
| (c) Explain different types of annunciator in detail. | 07 | |
| OR | ||
| (a) Classify hazardous area and material according to N. E. C. | 03 | |
| (b) Discuss rupture-disc in detail. | 04 | |
| (c) Explain any one type of recorder with its advantage and disadvantage. | 07 | |
| Q.5 | (a) Explain pneumatic transmitters in detail. | 03 |
| (b) State different pressure relieving devices and explain any one of them. | 04 | |
| (c) Explain different control valve accessories. | 07 | |
| OR | ||
| (a) Explain electronic transmitters in detail. | 03 | |
| (b) | 04 | |
| (c) | 07 | |
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