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WELDING INSPECTION &
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DI04055071
Code: DI04055071
Credits: 4
Semester 4
FT
Welding Inspection & Testing
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Follow on Instagram for UpdatesWelding Inspection & Testing Syllabus — Unit-wise Content
The official GTU curriculum for Welding Inspection & Testing (subject code DI04055071) as prescribed for FT · Semester 4 divides the course into 5 units, covering 55 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 (DI04055071)Unit 1 Basics of welding inspection, testing & discontinuities
- Application 1.2 Comparison of Welding Symbol with written explanation. 1.3 Basic elements of Testing Symbols as per AWS A2.4 1.4 Examples of typical NDT symbols. 1.5 Basic Testing Symbols 1.6 Illustration of Welding & Testing Symbols. 1.7 Ethical and essential requirements for the Welding Inspector. 1.8 Quality Assurance for WI&T. 1.9 Classification of welding related discontinuities 1.10 Desirable
- acceptable and unacceptable fillet weld profiles. 1.11 Acceptable and unacceptable Butt weld profiles. 1.12 Weldment & related discontinuities.(Porosity
- slag Inclusion
- tungsten inclusions
- incomplete fusion
- inadequate Joint Penetration
Unit 2 Welding and welder qualifications
- 2.1 Introduction to Welding Procedure and Qualification 2.1.1 Purpose of standardization in welding. 2.1.2 Codes and standards (ASME, AWS, ISO, EN, IS). 2.1.3 Terminologies and definitions: WPS, PQR, WPQ, WQT. 2.2 Welding Procedure Specification (WPS) 2.2.1 Concept and importance of WPS. 2.2.2 Essential
- supplementary essential, and non-essential Program Name: Diploma Engineering Level: Diploma Branch: Fabrication Technology Subject Code: DI04055071 Subject Name: Welding Inspection & Testing w.e.f. 2025-26 http://syllabus.gtu.ac.in/ Page no.3 of 9 variables. 2.2.3 Content of WPS: (QW401- QW410) joint design
- base metals
- filler metals
- shielding gas, etc. 2.2.4 Steps of making WPS. 2.2.5 Sample WPS formats and interpretation. 2.3 Procedure Qualification Record (PQR) 2.3.1 Purpose of PQR: establishing a qualified welding procedure. 2.3.2 Steps to prepare and qualify a PQR. 2.3.3 Required mechanical and non-destructive tests: tensile
- macro/micro examination
- ultrasonic. 2.3.4 Review and approval process. 2.4 Welder Performance Qualification (WPQ) 2.4.1 Purpose: verifying welder’s skill. 2.4.2 Test coupons
- positions (1G to 6G)
- test methods. 2.4.3 Acceptance criteria based on codes. 2.4.4 WPQ record preparation and renewal. 2.5 Practical Applications & Documentation 2.5.1 Reading and interpreting WPS and PQR. 2.5.2 Preparing simple WPS and PQR for common processes (SMAW
- GTAW). 2.5.3 Role of WPS/PQR/WPQ in QA/QC
- fabrication, and inspection
Unit 3 Destructive tests
- 3.1 Tensile test: Introduction
- preparation of test specimen
- test procedure
- result 3.2 Bend test: Introduction
- types of tests
- specimens & Procedure. 3.3 Impact test: Introduction
- results 3.4 Nick break test: Purpose
- test specimen
- procedure 3.5 Hardness test: Purpose
- procedure 3.6 Etch test: Introduction
- concept & purpose
Unit 4 NDT Methods (VT, LPT, MPT)
- 4.1 Comparison of destructive & nondestructive test 4.2 Visual inspection: basic principle
- defects detected
- optical aids
- application 4.3 Liquid penetrant testing: principle
- testing materials
- testing methods
- codes & standards
- Program Name: Diploma Engineering Level: Diploma Branch: Fabrication Technology Subject Code: DI04055071 Subject Name: Welding Inspection & Testing w.e.f. 2025-26 http://syllabus.gtu.ac.in/ Page no.4 of 9 4.4 Magnetic particle testing: definition & principle
- magnetizing techniques
- codes & standards. 4.5 Comparison of LPT v/s MPT
Unit 5 NDT Methods (UT, ET, RT, LT, Phased array)
- 5.1 Ultrasonic testing: Introduction
- properties of sound beam
- classification of UT techniques
- techniques for normal beam inspection
- techniques for angle beam inspection
- modes of display
- codes & standards. 5.2 Eddy current testing: principle
- metal properties & its effect
- applications. 5.3 Radiographic testing: principle
- radiation sources
- effect of radiation on film
- inspection techniques
- typical examples. 5.4 Leak testing: measurement of leakage
- bubble leak testing
- helium leak detection. 5.5 Phased array testing (Introduction
- advantages & dis advantages) 5.6 Comparison of NDT methods 5.7 Selection of NDT of methods 5.8 Codes & standards for NDT: Meaning of codes
- national & international standards for NDT
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