Subjects :-
- Applied Mechanics and Strength of Materials
- Engineering Metrology
- Machine Shop Technology I
- Engineering Drawing
- Plastics Materials and Testing
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DPMT
SEMESTER - III
Unit 1
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Equilibrium of Forces
Principles of equilibrium-Methods for equilibrium of coplanar forces - Analytical methods for the equilibrium of coplanar forces - Lami's theorem - Geographical methods for the equilibrium of coplanar forces - Converse of the law of triangle of forces - Converse of the Law of polygon of forces - Conditions of equilibrium - Types of equilibrium - Simple Problems. Centre of Gravity Centroid - Methods of centre of gravity of simple figures - Centre of gravity by geometrical considerations - Axis of reference - Centre of gravity of plane figures, symmetrical sections, unsymmetrical sections, solid bodies, sections with cut out holes - Simple Problems. Moment of Inertia Moment of Inertia of a Plane area - Units of moment of inertia - Methods of integration-
Methods for finding out moment of inertia - Moment of inertia by Routh's rule - Moment of inertia of rectangular, square, triangle, circle and the semi circle section - Simple Problems.
Unit II
Friction
Introduction - Types of friction -Static friction- Dynamic friction-Limiting friction Normal reaction-Angle of friction - Co efficient of friction - Laws of friction - Simple Problems. Simple Lifting Machines
Introduction - Types of lifting machine - Simple wheel and axle - Simple pulley- Simple screw jack - Simple Problems.
Unit III :- Simple Stresses and Strains
Concept of Stress and strain, types of stresses, strains-, Hook's law, Elasticity, Modulus of Elasticity, Stress - strain diagram, Working stress and Factor of safety, State of simple shear, Modulus of rigidity, Bulk modulus, Poisson's ratio, Relationship between elastic constants, Deformation of body due to force acting on it, Deformation of body due to self weight, Principle of superposition, Stresses in bars of varying section, Thermal stresses in simple and composite bars - Simple Problems.
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Unit IV :- Shear Force and Bending Moment
Introduction, Types of loading - Shear force and bending moment, Sign conventions - Shear force and bending moment diagram - Relation between loading and bending moment - Cantilever with a point at its free end, Cantilever with a uniform distributed load - Simply supported beam with a point load at its mid-point - Simply supported beam with a uniformly distributed load - Simple Problems. Deflection of Beams
Introduction - Methods for slope and deflection at a section - Simply supported beam with a central point load - Cantilever with a point load at its free end - Simple Problems.
Unit IV :- Shear Force and Bending Moment
Introduction, Types of loading - Shear force and bending moment, Sign conventions - Shear force and bending moment diagram - Relation between loading and bending moment - Cantilever with a point at its free end, Cantilever with a uniform distributed load - Simply supported beam with a point load at its mid-point - Simply supported beam with a uniformly distributed load - Simple Problems. Deflection of Beams
Introduction - Methods for slope and deflection at a section - Simply supported beam with a central point load - Cantilever with a point load at its free end - Simple Problems.
# Notes :-
👉 Book
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👉Mechanics Handwritten Notes
👉 Notes
👉 MCQs
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👉 Notes 1
DPMT
SEMESTER - III
ENGINEERING METROLOGY
Unit 1
Introduction
Introduction to metrology – Objectives of Metrology – Need of Inspection, Measuring
Instruments - Methods of measurement – Requirements & General care of instruments-
Sources of Errors & Corrections of Errors - Accuracy and Precision.
Standards of Measurements
Standards of Measurements: Line standard, End Standard, Wavelength Standard
Classification of Standards - Characteristics of line and end standards.
Unit II
Marking Tools - Scriber - surface gauges - dividers – V-blocks - Engineer's Parallels -
Angle plates - surface plates.
Measuring Instruments - construction, application and least count. Steel rule – try square -
vernier calipers - Vernier height gauges - Micrometers - outside & inside - depth
micrometer - height Master - Bore gauges -slip gauges/Pins. Comparators Introduction & types of comparators, uses of comparators, difference
between measuring instruments & comparators, mechanical comparators - Dial indicators,
advantages & disadvantages, working principle of pneumatic comparators – solex air gauge,
applications Standard Gauges Types of gauges, Radius gauge, Feeler gauge, Pitch Screw gauge,
Taper wire & Thickness gauge, Plain gauge, Plug gauge, Snap gauge, Ring gauge,
Combined limit gauge.
Unit III
Angular & Taper measurements - Bevel Protractors and its types- combination set - Sine
bar, Sine table and Sine centre - Angle gauges- Auto Collimator-Measurement of Taper
using balls & Rollers. hGeometrical Measurements, Straightness, Flatness, Parallelism, Squareness,
concentricity.
Unit IV
Measurement of Surface Finish - Representation of surface finish as per BIS - Methods of
measuring surface finish- Surface finish measuring machines Surface roughness - guide for
selection, surface roughness obtainable from various manufacturing processes, surface
roughness symbols, Hardness testing.
Advanced Measuring Equipments-Precision instruments based on laser - Principles -
laser interferometer-application in measurements and machine tool metrology - Toolmakers
microscope, Optical profile projector, Co-ordinate measuring machines - with & without
scanner (non-contact & contact types), Optical flats - types and uses- computer aided
inspection and continuous Measuring gauges.
# Notes :-
👉 MCQS
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DPMT
SEMESTER - I
MACHINE SHOP TECHNOLOGY - I
Unit I
Metal cutting: Mechanism of metal cutting - general principles-orthogonal cutting - oblique
cutting. Types of chips & chip formation on different materials. Cutting tools - Single point
cutting tool - tool geometry - tool nomenclature. Machinability -tool life-factors that affect the
tool life-tool wear-tool failure. Cutting tool materials types, properties and applications. Multi point cutting tools. Metal cutting parameters -speed-feed - depth of cut. Cutting Fluids :Purpose - Type of cutting fluids - Applications - Selection of a cutting fluid - Effect of coolants on cutting variables ie, Speed, Feed, Depth of cut and tool life for different materials. Pedestal grinding machine - Types of machine- types & selection of grinding wheels - Sharpening of cutting tools.
Unit Il Lathe
Types of lathe - Lathe construction - lathe parts, function of each part. Lathe accessories &
attachments - Work holding and tool holding devices - Different types of operations -Selection of cutting speed, feed and depth of cut for various operations & materials - cutting speed - empirical formulas, machining time calculation. Machine Installation procedure - Lathe specification-safety.
Unit III Shaping, Planning & Slotting Machines
General use of a shaper - parts and their functions - shaper tool & Work holding devices- Quick return motion arrangements - adjustments of stroke- crank and slotted lever mechanism, Whitworth mechanism, Hydraulic shaper, Speed, feed and depth of cut for various materials. Work difficulties - chattering tool, warping of work-Shaper specifications- application of slotting machine & Planning machine, Difference between shaper, planner and slotter machines.
Unit IV Drilling Machine
Type of drilling machines, tool holding devices, work holding devices, types of drills, elements of drills, Drill bit material and specifications Sharpening of drills. Speeds and feeds of tool on various metals such as cast iron, mild steel, harden alloy steel, brass and Aluminum. Counter boring, counter sinking, Reaming-types of reamers, elements of reamers and drill hole size for reaming-safety while working. Bell mouth problem in reaming, over size due to
lip out. Hand taps, machine taps, drill hole size for tapping, tap wrenches, Dies-solid, split and
adjustable dies stocks.
# Notes :-
📚 Notes 1
📚 Notes 2
📚 Notes 3
📚 Notes 4
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Unit 1
The Importance of Engineering Graphics: Explanation of the scope and objective of
Engineering Drawing - its importance as a graphic communication- need for preparing
drawing as per standards - BIS, SP 46.
Drawing Instruments: Basic drawing instruments - Mini drafter - Setsquare - compass -
dividers - drawing boards - Pencils - Drawing papers- French curves - Stencils - Selection
and method of using them.
Drawing Standards: Size of drawing sheets - Layout of drawing sheet – Title Blocks –
Types of lines - Folding of drawing sheets.
Free hand Lettering and Numbering: Need for legible lettering and numbering on drawings
- selection of suitable size of lettering for different drawing, writing of Engineering drawing
titles and notes using both vertical and sloping styles.
Dimensioning: Function of dimensioning - need for dimensioning - engineering drawing
according to BIS - Notation used in dimensioning - Dimension line - Extension line - Arrow
heads and leader - System of dimensions - Method I and Method II.
Geometric Construction: Construction of regular polygon - given the length of its side,
Conics-construction of ellipse, parabola and hyperbola by eccentricity method, construction
of cycloid, construction of involutes of square and circle, drawing of tangents and normal to
the above curves.
DPMTSEMESTER I ENGINEERING DRAWING - 1
The Importance of Engineering Graphics: Explanation of the scope and objective of
Engineering Drawing - its importance as a graphic communication- need for preparing
drawing as per standards - BIS, SP 46.
Drawing Instruments: Basic drawing instruments - Mini drafter - Setsquare - compass -
dividers - drawing boards - Pencils - Drawing papers- French curves - Stencils - Selection
and method of using them.
Drawing Standards: Size of drawing sheets - Layout of drawing sheet – Title Blocks –
Types of lines - Folding of drawing sheets.
Free hand Lettering and Numbering: Need for legible lettering and numbering on drawings
- selection of suitable size of lettering for different drawing, writing of Engineering drawing
titles and notes using both vertical and sloping styles.
Dimensioning: Function of dimensioning - need for dimensioning - engineering drawing
according to BIS - Notation used in dimensioning - Dimension line - Extension line - Arrow
heads and leader - System of dimensions - Method I and Method II.
Geometric Construction: Construction of regular polygon - given the length of its side,
Conics-construction of ellipse, parabola and hyperbola by eccentricity method, construction
of cycloid, construction of involutes of square and circle, drawing of tangents and normal to
the above curves.
Unit II
Principles of Orthographic Projection: Explanation of the meaning of orthographic
projection using a viewing box and a model- number of views obtained need of only three
views for displaying the object - explanation of the meaning of first angle and third angle
projection - symbol of projection-Front view, top view and side view-sketching these views
for a number of engineering objects
Unit III
Projection of Points, Lines and Planes: Projection of points in different quadrants,
projection of straight lines parallel to one or both planes, parallel to one plane -
perpendicular to other - inclined to one plane and parallel to other line inclined to both
planes (in first quadrant). Methods of finding true length and its inclination with the reference
planes. Projection of planes and polygonal surface - parallel to one plane and perpendicular
to other plane (in first quadrant).
Unit IV
Projection of Solids : Projection of simple solids like prism, pyramid, cylinder and cone
when the axis is parallel to one plane and perpendicular to other plane in first quadrant.
# Notes :-
📚 ED Book (N.D. Bhatt)
📚 ED Notes
👉 Notes 1
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# Notes :
➡️IDENTIFICATION AND CHEMICAL
PROPERTIES
➡️Introduction
■ Simple method
■ cutting test
■ hot wire penetration test
■ flotation test
■ bending test
■ dropping test
■ Burning test
■ Pyrolysis test
■ Specific gravity test
■ Solubility test
■ Softening and Melting point
■ Elemental Analysis
■ Confirmation test
👉 Click 👈
Other Notes
📚 PTFE
📚 PBT
📚 PVDF
📚 PPO
📚 PPS
📚 PEEK
📚 PVF
📚 ICP
📚 PSU
👉 Notes 1
👉 Notes 2
👉 MCQc
Thank-you
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