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DI03000141 · Semester 3 · 5G scheme

Theory of Machines and Mechanisms

Notes and solutions following the Gujarat Technological University (GTU) syllabus for DI03000141. Independent material — not issued by the university.

Mechanical EngineeringMechanical Engineering (CAD/CAM)Mechatronics Engineering

Materials

Syllabus

The official syllabus this material follows.

  • Syllabus

    7 pages

    FreeRead

Complete Book

The whole syllabus, unit by unit, written for the exam.

Slides

Lecture slides for revision.

Past Papers

Original question papers from previous exams.

  • Summer 2026 question paper

    4 pages

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  • Winter 2025 question paper

    4 pages

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PYQ Solutions

Past university papers, fully solved.

  • Solved past papers — detailed answers

    17 pages · English + ગુજરાતી

    Premium Preview · 3 pages

Syllabus units

Unit 1: Motions & Mechanisms
  • 1.1 Theory of machines: Introduction, need, scope and importance in design and analysis, basic terminology that has already been studied in Engineering Mechanics.
  • 1.2 Kinematics of Machines: Definition of Kinematics, Dynamics, Statics, Kinetics, Kinematic link, Kinematic pair, and its types, degree of freedom, constrained motion and its types, Kinematic chain and its types, Mechanism, inversion, machine, and structure.
  • 1.3 Inversions of four-bar chain, Single Slider Crank chain and Double Slider Crank Chain.
  • 1.4 Concept of velocity and acceleration of a point on link by relative velocity method in four-bar chain and single slider crank mechanism (without numerical).
Unit 2: Cams and Followers
  • 2.1 Concept, definition and application of Cams and Followers.
  • 2.2 Classification of Cams and Followers.
  • 2.3 Different follower motions and their displacement diagrams like Uniform velocity, Simple harmonic motion (SHM), Uniform acceleration and retardation.
  • 2.4 Drawing of a profile of radial cam with a knife-edge, roller & flat-faced follower with and without offset with reciprocating motion (Graphical method).
Unit 3: Bearings, Clutches, Brake & Dynamometer
  • 3.1 Concept, definition, basic terminology of friction, types and application of friction, simple numerical based on friction.
  • 3.2 Uniform pressure and Uniform wear theories.
  • 3.3 Types of thrust bearing, Torque and Power lost in Flat pivot, conical pivot, single collar, multi-collar bearing and it's numerical.
  • 3.4 Function of Clutch and its application, Construction and working of Single plate clutch, multi-plate clutch, Centrifugal Clutch, Cone clutch, Diaphragm clutch. (Simple numerical on single and multi-plate clutch)
  • 3.5 Function of brake and its application, Construction and working of i) block brake ii) band brake iii) Band & block brake iv) internal expanding shoe brake v) disc brake (without numerical).
  • 3.6 Dynamometer- Function, Construction and working of i) Rope Brake, ii) Hydraulic iii) Eddy current.
Unit 4: Power transmission
  • 4.1 Concept, need, and types of power transmission.
  • 4.2 Types of Drives-Belt, Chain, Rope, Gear and their comparison with applications, advantages & limitations.
  • 4.3 Flat belt, V-belt & its applications, material, angle of lap, belt length. Slip and Creep. Determination of velocity ratio, the ratio of tight side and slack side tension, centrifugal tension and initial tension, condition for maximum power transmission (Numerical on belt drives)
  • 4.4 Rope Drives- types; application; Advantages & limitations of steel ropes
  • 4.5 Chain Drives- Advantages & disadvantages; Selection of chain & sprocket wheels
  • 4.6 Gear Drives- Classification of Gears - Nomenclature of a gear - explanation and applications of spur, helical and bevel gears, worm and worm wheel, rack and pinion; types of gear trains; their selection for different applications.
  • 4.7 Train value & Speed ratio for Simple, Compound, and Riveted gear trains using spur gears (Numerical of gear drive for finding Speed ratio or Train ratio excluding epicyclic gear train).
Unit 5: Flywheel and Governors
  • 5.1 Flywheel- Concept, function and application of flywheel with the help of turning moment diagram for Single cylinder double acting steam engine, Single cylinder 4 -Stroke I.C. Engine, Co-efficient of fluctuation of energy, Co-efficient of fluctuation of speed, Energy stored in a Flywheel and its significance. Simple numerical.
  • 5.2 Governor- Concept, function and application & terminology of Governors. Types, Explanation of Watt, Porter, Proell.
  • 5.3 Comparison between Flywheel and Governor.
Unit 6: Balancing and Vibrations
  • 6.1 Concepts and types of balancing.
  • 6.2 Effects of unbalanced masses.
  • 6.3 Balancing of single rotating mass. Analytical and graphical method for balancing of several masses revolving in the same plane.
  • 6.4 Concept, types and terminology used in vibration, causes of vibrations in machines, their harmful effects and remedies.

About this course

Theory of Machines and Mechanisms equips diploma engineering students with essential knowledge of mechanical motion and force transmission. It builds foundational skills for analyzing and designing machine elements like gears, cams, and linkages, enabling students to work effectively in maintenance, manufacturing, and mechanical design roles across various industries.