CSL Senior Ship Draftsman (Mechanical) Syllabus
| Particulars | Syllabus – (Part B) |
| Basic Mechanical
Engineering |
Importance of IC Engines – Classification, working, two stroke engines, four stroke engines, petrol & diesel engines.
Various power Plants – Classification, working of Hydro and Thermal power plants |
| Engineering
Graphics |
Importance of engineering graphics – Development of Engineering graphics and CAD
Drawing Standards – Drawing sheet size, types of lines Dimensioning – Dimensioning Standards, notations used in engineering drawing Geometric construction – principles of Geometric construction Projections of Points, Lines and planes Orthographic projections – Principles of orthographic projections Sectional views Pictorial views Development of surfaces |
| Machine Drawing | Fastening devices – different types of screw threads, riveted joints, foundation bolts
Assembly and detailed drawing of coupling joints, bearing and machine parts Welded joints and piping layout |
| Production
Drawing |
Limits fits and tolerance
Surface roughness Interpretation of drawings – Shop floor drawings Process chart |
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| Manufacturing Process | Properties, testing and inspection of engineering materials – destructive testing, NDT, Fatigue & Creep test.
Measuring instruments, gauges and comparators Welding – types of welding, advantages and limitations of welding, welding joints, various types of electrodes and its coatings, gas welding, TIG, MIG, Welding defects, testing and inspection of weld joints, soldering and brazing. |
| Metallurgy and Machine tools | Manufacturing of metals and alloy – ferrous and non-ferrous metals, types of cast iron, pig iron – blast furnace, cast iron – cupola furnace, chemical composition in steels, alloying elements.
Heat Treatment Process – Need of heat treatment, various heat treatment processes Machine tools – lathe, drilling, milling, grinding etc. Press tools and their operations – piercing, blanking etc. Importance of jigs and fixtures Non- conventional machining Numerically controlled machines |
| Refrigeration & Air conditioning | Principles of refrigeration – Sensible heat, Latent heat, Dew point temp, DBT, WBT, Sp. Humidity, Relative humidity, COP, Carnot cycle
Different type of heat exchangers Refrigerants Air conditioning system – factors governing designing of room air conditioners |
| Strength of Materials | Mechanical Properties – Hardness, ductility, Malleability, toughness etc.
Heat treatment process – Annealing, hardening, tempering Stress, strain Creep, Fatigue SFD & BMD Different types of beams and loadings Elongation due to temperature difference Moment of inertia for geometrical shapes Section modulus Relation with torque and power Comparison with solid and hollow shaft transmitting same power Working load, factor of safety Springs Gears – Module, Addendum, gear ratio etc. Pulleys, Flanges, Key joints, weld joints etc. Column & struts |
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| Fluid Mechanics | Bernoulli’s equation
Reynolds number Hydraulic machines Venturimeter, orifice meter, pitot tube Co-efficient of discharge Head loss due to frictions Different types of flow Pipes sizes, material, nomenclature Different types of Pumps Velocity triangle Water hammer
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| Introduction to Computer Aided Drawing | Standard menus/ toolbars, navigational tools, Co-ordinate systems. Selection of drawing size and scale, creation of line using draw commands, co-ordinate points draw commands-line, ray, spline, arc, circle, ellipse, polygons, rectangle, polyline, text editing commands – erase, copy, move, offset, mirror, rotate, trim, extend, break, chamfer, fillet etc. |
| Dimensioning Systems | Method of dimensioning diameters, radii, chords, arc and angles, surface symbols
Aligned and uni-directional system, Dimension- commands (Standard and drawings to be supplied, draw and dimension using various systems) Four quadrants, principle planes, projectors, objects, profile plane, designation of views, projection of a point in all quadrants, projection of straight lines and true lengths, projection of laminas like triangular, square, pentagonal, hexagonal and circular in different positions.
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| Isometric Projections | Isometric scale, isometric projection of regular objects like cube, prism, pyramids, cone, cylinders and sphere. Isometric projection of step block, v-block, cross, sphere above the frustum of a cone and built up solids. |
| Fasteners | Temporary fastenings – screw threads, bolts and nuts
Screw threads – conventional symbols for representation of internal and external threads-metric threads-left hand and right hand –multi starts threads |
| Data Collected By – Rashmi | |
| Published On – 31st May 2022 | |
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