DI03000151 · Semester 3 · 5G scheme
Measurements and Metrology
Notes and solutions following the Gujarat Technological University (GTU) syllabus for DI03000151. Independent material — not issued by the university.
Materials
Complete Book
The whole syllabus, unit by unit, written for the exam.
Complete Book
18 pages
Premium Preview · 3 pages
Slides
Lecture slides for revision.
Lecture slides (full course)
321 pages
Premium Preview · 10 pagesSlides (compact edition)
358 pages
Premium Preview · 10 pages
Past Papers
Original question papers from previous exams.
PYQ Solutions
Past university papers, fully solved.
Solved past papers — detailed answers
23 pages · English + ગુજરાતી
Premium Preview · 3 pages
Syllabus units
Unit 1: Introduction to Metrology
- Definition, Need & Scope of Metrology
- Precision & Accuracy, Sensitivity, Readability, and Calibration
- Standards of Measurement (Line, End, Wavelength Standards)
Unit 2: Linear and Angular Measurement
- Vernier Calliper, Micrometre, Dial Gauge, Slip Gauges
- Height Gauge, Depth Gauge, Combination Set
- Sine Bar, Bevel Protractor, Angle Gauges, Autocollimator
- Applications and Errors in Measurements
Unit 3: Concept of Geometrical Tolerances
- Concept of Tolerance, Types of Fits, and Allowances
- Measurement of Straightness, Flatness, Roundness, and Squareness
- Introduction to Coordinate Measuring Machine (CMM)
Unit 4: Measurement of Surface Roughness
- Concept of Surface Finish, Surface Texture Terminology
- Parameters of Surface Roughness (Ra, Rz, Rq)
- Surface Roughness Measuring Instruments (Stylus Profilometer)
Unit 5: Gear and Thread Measurement
- Measurement of Spur Gear Parameters (Pitch, Module, Runout)
- Gear Tooth Vernier and Base Tangent Method
- Measurement of Thread Parameters (Pitch, Lead, Effective Diameter)
- Two-Wire & Three-Wire Method
Unit 6: Limit Gauges
- Limit System: GO and NO-GO Gauges
- Types of Gauges: Plug, Ring, Snap, and Thread Gauges
- Interchangeability and Selective Assembly
- Gauge design
Unit 7: Transducers and Sensors
- Definition and Classification of Transducers
- Displacement, Pressure, Force, and Strain Measurement
- Applications in Mechanical Systems
Unit 8: Temperature Measurement
- Measurement of Temperature using Thermocouples, and Pyrometer
- Infrared and Digital Temperature Sensors
Unit 9: Quality Control & Industry 4.0 in Metrology
- Introduction to Digital Measurement Techniques
- Role of IoT in Quality Control
- Automation in Metrology & Smart Inspection Systems
About this course
The mechanical engineering students primarily focus on the fabrication of diverse machine components in workshops according to specified drawings. Contemporary industrial processing and manufacturing procedures have grown intricate and convoluted, rendering their supervision just by visual examination very challenging. Thus, reliable and exact measurements via precision measuring tools are essential for enterprises. This Measurements & Metrology course offers practical experience, skills, and self-assurance to students, enabling them to operate precise measuring devices correctly for the benefit of industrial-sectors.