Code: 4361907
Credits: 4
Semester 6
MECHANICAL
Fabrication Technology
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Follow on Instagram for UpdatesFabrication Technology Syllabus — Unit-wise Content
The official GTU curriculum for Fabrication Technology (subject code 4361907) as prescribed for MECHANICAL · Semester 6 divides the course into 5 units, covering 31 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (4361907)Unit 1 Introducti on (CO-1)
- 1.1. Term fabrication
- 1.2. Need and scope of Fabrication technology
- 1.3. Weldability of materials
- 1.4. Term manufacturing and fabrication
- 1.5. List different code & standards (with full forms) used in fabrication & erection of equipment / piping.
- 1.6. Major national and international fabrication companies
- 1.7. Major national and international third party inspection agencies
- 1.8. General Designation used for various engineering items. Spiral wound gasket Vehicle Tyre Welding electrode and welding rods Piping Flanges Grinding wheels
Unit 2 Drawing Interpretati on (CO-2)
- 2.1. Types of drawing Process Plant General Arrangement Drawing (GAD) Process plant process and instrumentation drawing (P&ID) Process Flow Diagram (PFD) Detail and Assembly Drawing (D&AD) Route sheet OR Operation sheet Structural Detail drawing Shop Lay out drawing Equipment detail drawing Piping isometrics drawing Welding detail drawing
- 2.2. Fabrication documentation preparation from drawing Shop Weld Plan (SWP) Weld Test Plan (WTP) Welding Procedure Specification & Procedure Qualification Record (WPS/PQR) Welder Performance Qualification & Welder Qualification Record (WPQ/WQR)
- 2.3. Raw material requirement calculation from drawing Plate calculation Fabrication Technology Course Code: 4361907 Piping , tube and fittings calculation Nozzle (flange and pipe/tube) calculation Dish end plate blank dia. calculation Weld consumable requirement calculation Structural items angle, I section, T section, C section, square solid/hollow bar, hexagonal solid/hollow bar, triangle solid/hollow bar calculation Lifting lug, support, impingement plate, reinforcement pad, dished end, limpet coil, tube sheet calculation Piping erection calculation in inch-meter and piping welding calculation in inch-dia.
- 2.4. Welding detailing preparation from drawing Weld Joint (WJ) nomenclature of groove and fillet weld Weld Edge preparation (WEP) nomenclature Weld joint (WJ) and WJ symbol Weld Edge preparation (WEP) and WEP symbol Weld Location of Elements and its symbol Weld pass and Weld Layers Welding position Welding technique (forward and backward) Welding electrode designation (SMAW and GTAW electrode) Welding weaving patterns
- 2.5. Introduction to Code and standards used for fabrication ASME section 2A, 2B, 2C, 2D, section 5, section 8 div.1, 8 div.2, 8 div.3, section-9. AWS vol. 1,2,3,4,5 ASTM, TEMA, EJMA, Piping standard B
Unit 3 Fabricati on Processes (CO-3)
- 3.1. Welding Process requirements Arc Welding parameters setting (Voltage, Current, welding speed, consumable feed and arc length) Gas welding parameters setting (gas pressure, gas flow, type of nozzle and optimized nozzle number) Preheating before starting welding Interpass during welding Post heating after welding Preheat, Interpass and post heat temperature measuring by thermal sticks PWHT for thermal stress relieving
- 3.2. Fabrication procedures Plate Edge bending for rolling Plate rolling Weld edge preparation
- 3.3. Fabrication steps for with equipment function, name of parts, pressure vessel / storage vessel shell and tube type heat exchanger piping spools / multi-tier piping arrangement industrial shed / electrical power transmission tower
- 3.4. safety norms for, work at heights before, during and after welding work PPEs for welding work work safety equipment
Unit 4 Inspectio n Testing (CO-4) and
- 4.1. general terms regarding weld quality weld quality Weld defects stages of inspection types of inspection types of testing difference between inspection and testing failure analysis
- 4.2. destructive testing (procedure as per ASTM / ASME sec. v and Acceptance criteria as per ASME sec. viii div.1) tensile testing compressive testing impact testing hardness testing weld bend testing fracture toughness testing
- 4.3. nondestructive testing (procedure as per ASTM / ASME Fabrication Technology Course Code: 4361907 sec. v and Acceptance criteria as per ASME sec. viii div.1) LPT MPT UT RT ECT
- 4.4. Special type of testing for equipment / piping operation Hydro test of pressure vessel Hydro test of piping spools Pneumatic test Helium Leak test
- 4.5. Running inspection methods visual inspection by eye contact visual inspection by smell visual inspection by hand touch visual inspection by earing Unit-V 5a. Explain surface 5.1 Surface preparation methods sand blasting / ball blasting surface grinding
- 5.2. surface finishing methods emery papering wire brushing buffing wheel machining acetone / kerosene /petrol /diesel cleaning
- 5.3. surface color coating methods brush application roller application cotton application spray application
- 5.4. coating film thickness measurement techniques dry film thickness wet film thickness Surface preparation, finishing and preparation, coating methods. Finishing and Coating 5b.Measure thickness Methods coating layers. (CO-5)
Unit 5 Installation, erection and commissioning of proces s equipment (CO-6)
- 6.1. term installation, erection and commissioning
- 6.2. difference between installation and erection
- 6.3. installation of centrifugal pump and valves at site
- 6.4. erection of vessel at site
- 6.5. erection and mechanical clearance of piping spools at site
- 6.6. commissioning of process plant
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