Subject Code & Name: CH25C07 – Introduction to Standards in Chemical Engineering
Regulation: R-2025
Semester: IV (Fourth Semester)
Branch: B.Tech. Chemical Engineering (Chem) / B. Tech. Chemical and Electrochemical Engineering (ChemElec)
Credits / L-T-P: 1 Credit | L-T-P: 1-0-0
Course Objectives
- To provide knowledge on industrial standards, engineering symbols, process equipment standards, and valve and instrumentation standards used in chemical process industries.
Full Unit-wise Syllabus
Note: Chemical Engineering and Chemical and Electrochemical Engineering print the same five units. The Chemical and Electrochemical Engineering version lists different objectives, activities and methodology, assessed as Assignments 20%, Application-oriented problem solving 20%, BIS Standards presentation 10% and Internal Examinations 50%.
Unit I – Overview Of Standards
Basic concepts of standardization; Purpose of Standardization, marking and certification of articles and processes; Importance of standards to industry, policy makers, trade, sustainability and innovation. Objectives, roles and functions of BIS, Bureau of Indian Standards Act, ISO/IEC Directives; WTO Good Practices for Standardization. Important Indian and International Standards.
Activities: Analyze the role of standardization in process industries, interpret BIS and ISO standards relevant to chemical engineering, evaluate the importance of standards in industrial safety, sustainability and trade.
Unit II – Symbols
Recommendation for letter symbols, signs and abbreviations used in chemical engineering, Color code for identification of pipelines, Recommendations on Graphical Symbols for Process Flow Diagrams, Piping and Instrumentation Diagrams, Graphical symbols for pipelines and instrumentation diagrams.
Activities: Interpret process flow diagrams and piping & instrumentation diagrams, identify standard symbols and color codes used in process industries, prepare simple industrial process flow sheets using standard conventions.
Unit III – Process Equipment
Recommendation on nominal capacities for process equipment, Recommendation on nominal diameter for process equipment, Crushing and grinding equipment - Classification and methods for measuring capacity, Sizes of process vessels and leading dimensions, Shell and Tube Type Heat Exchangers, Shell Flanges for Vessels and Equipment, Data sheet for shell and tube type heat exchangers.
Activities: Analyze standards related to process equipment sizing and selection, interpret equipment datasheets and specifications, evaluate standard dimensions and capacities of industrial process equipment.
Unit IV – Valves And Controls
Nominal sizes for valves, Marking system for valves, Dimensions for ferrous valves - face to face and end to end, General Purpose Ball Valves, Cast or Forged Steel Check Valves (Flanged or Butt Welding Ends) for Petroleum, Petrochemicals, Chemicals and Allied Industries, Fire test for valves (including soft seated quarter turn valves) - Method of test.
Activities: Identify standard valve specifications and marking systems, analyze valve selection criteria for process industries, evaluate instrumentation symbols and control functions used in process control systems.
Unit V – Process Measurement, Control Functions and Instrumentation
Process measurement control functions and instrumentation - symbolic representation, Part 1 to 4.
Activities: Interpret instrumentation symbols and control loop representations, analyze process measurement and control functions, apply standard instrumentation conventions in process industries.
Course Outcomes (COs)
- CO1: Mapping Understand the fundamental concepts of engineering standards, codes, safety regulations, and quality systems used in chemical engineering industries.
- CO2: Apply national and international standards in chemical process design, safety management, and quality assurance practices.
- CO3: Analyze the role of standards and regulatory frameworks in ensuring safety, reliability, and environmental compliance in chemical industries.
- CO4: Design chemical processes and systems by incorporating relevant engineering standards, codes, and safety guidelines for industrial applications.
Assessment Pattern (Quick Note)
- Weightage: Continuous Assessment 40% | End Semester Examinations 60%
- Internal methodology: Assignments (20%), Standards interpretation and symbol identification exercises (20%), Case studies on industrial equipment and instrumentation standards (20%), Internal Examinations (40%)
Source: Official Anna University – B.Tech. Chemical Engineering R-2025 Syllabus
Last Updated: October 2026
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