UNIT – I
Introduction – Development of ocean-going Merchant Ships. Modern Merchant Ships.
Types of Ships – Types of ships based on nature of cargo, Passenger Liners, Ferries, Specialized carriers for General Cargo, Bulk, Oil (Crude Oil Products) OBO’s. Container, Ro-Ro,Lash, LPG, LNG, Cattle, Cars,etc., Special features of above types of ships.
Definition and Meanings: LOA, LBP, EB, MB, Extreme Depth, Molded Depth, Draft, Freeboard, Camber, Sheer, Rake, Rise of Floor, Flare, etc.
UNIT – II
Principle Parts of a Ship – Bow, Stern, Shell Plating, Double Bottom Tanks, Cargo Holds, Tween Decks, Deep Tanks, Fore Peak and Aft Peak tanks and store rooms, Plate Keels and duct Anchoring and Mooring equipments etc.,
Machinery Spaces – Engine Room : Engine Casing, Subdivisions of Engine Room, Steering Gear, Pump Rooms, Mast houses, Work-Shops, etc.
Superstructure – Wheel House, Accommodation Spaces, Cabins, Galley, Pantry, Dining Saloons, Recreation Rooms, Various Stores and Lockers, Cold storage spaces etc.
General Layout of ships – General Cargo Ship, Bulk Carrier, Oil Tanker, Container Ship and Simple sketches of the same.
Principles of Design – Common principles governing design and construction of various types of steel ships with respect to :
Longitudinal, Transverse and Vertical Strength.
Continuity of Strength
Water-tightness and Weather-tightness
Conformity with Statutory Requirements
UNIT – III
Steel for Ship Construction – Types of steel in ship construction. Steel manufacture Blast Furnace method and Electric arc furnace method. Rolled section – Various shapes and standard sizes. Testing of materials – various tests at production and building stages.
Riveting – Riveting as joining process. Types of joints.
Welding – General Ideas of Electric Arc Welding, Equipment, Electrodes, methods used etc, welding its predominant use in ship construction. Advantages of welding over riveting. Precautions while welding and Gas cutting.
UNIT – IV
Laws of flotation, Buoyancy, Reserve Buoyancy, Displacement, Deadweight, Change of draft due to change of density, TPC, FWA and DWA.
The center of gravity of a ship and factors affecting the same. Calculations involving KG and KB of a ship.
The meaning of the terms block co-efficient, Water-plane co-efficient, Mid-ship Coefficient, Prismatic Coefficient and relation between them.
Use of displacement and TPC curves and scales to determine weights of cargo or ballast from draughts or freeboards.
UNIT – V
Metacentric height, Righting lever, Righting Moment, Stable, Unstable and Neutral equilibrium.
Free surface effect. Stiff and tender vessels.
Difference between Heel and List.
Use of hydrostatic tables and curves as supplied to ship.
Calculations based on the foregoing topics.
Ship Construction For Engineers Reid’s Series
Ship Construction Capt.Edrich Fernandes
Ship Construction Notes Kemp & Young
Ship Stability I & II Capt.Subramanian .H
Problems on M.V. Hindhsip Capt.Joseph & Capt Rewari
SEMESTER – V
CORE – III
NAVAL ARCHITECTURE – II
SECTION A – SHIP STABILITY
UNIT – I
Use of Simpson’s Rules in the computation of areas, Volumes and centroids.
Determination of Position of the longitudinal center of gravity of a ship for different conditions of load and ballast. The effect on the position of center of gravity of a ship by adding, removing and / or shifting weights.
Longitudinal center of buoyancy, Longitudinal metacentre and center of flotation and factors affecting their positions.
UNIT - II
Theory of Trim, Changes of trim and draft due to loading, discharging and shifting weights.
Change of trim due to change of density.
Use of stability, hydrostatic and stress data supplied to ships.
UNIT – III
Cross curve of stability, K.N.Values, determination of Righting Moment using K.N.Values, Curve of statical stability and its practical usage.
Carriage of deck cargoes and their effect on stability.
Stowage of Grain and stability aspects in respect there of with particular reference to calculations involved and the manner of presentation of the information relating to Grain Heeling Moments and the resulting angle of heel as presented in the national Statutory Regulations.
Calculations based on the foregoing including those based on ‘Trim and Stability Particulars” of a given ship.
SECTION B- SHIP CONSTRUCTION
UNIT - IV
Longitudinal and Transverse framing, Beams and Beam Knees. Functions Construction and stiffening of Water-tight bulkheads including collision bulkheads. Shell and Deck plating.
Bilge keels, double bottom and peak tanks, Side and Wing tanks. Bilges.
Construction, Stiffening and closing arrangements of openings on deck and superstructures.
Sounding pipes, Air pipes, Ventilators, Hawse-pipes, Spurling pipes and their securing arrangement.
General pumping arrangements- Bilge and Ballast line systems Pumping arrangement on tankers. Methods adopted to maintain integrity of divisions and opening in the hull including stern, side and bow doors.
UNIT – V
Rudders, construction and support, stern flame, propellers and propeller shaft, stern tube, and adjacent structure.
General ideas on various plans supplied by shipyard. Midship sections of General cargo ship, Tanker, Bulk carrier, Container, OBO
Stress and strains in ships in still water and in a seaway. Parts of ship specially strengthened and stiffened to resist such stresses including panting and pounding.
Causes and methods of corrosion control in steel work and also between dissimilar metals including Cathodic protection, Impressed current system.
BOOKS RECOMMENDED FOR REFERENCE:
1. Ship Construction Pursey
2. Ship Construction Capt. Edrich Fernandes
3. Ship Construction Notes Kemp & Young
4. Ship Construction Taylor
5. Ship Stability I, II, & III Capt. Subramanian.H
6. Problems on m.v.Hindship Capt. Joseph & Capt. Rewari
CORE – III
MARINE ENGINEERING AND CONTROL SYSTEM – II
MECHANICAL ENGINEERING SCIENCE
UNIT – I
Engineering materials – Common engineering materials – Various Metals & alloys. Properties & their uses. Ceramics & their uses.
Steels – Elementary metallurgy of steel production – Smelting & Refining – Iron – carbon diagram to show role of carbon in steels & effect on properties. Types of steel & uses.
Heat Treatment – Heat treatment of steels – obtaining desired properties from steel for use in different areas.
ELECTRICAL ENGINEERING SCIENCE
UNIT – II
Meaning of frequency, Phase & Power factor. AC & DC machines. AC Generators & DC Generators – AC & DC motors.
Parallel running & load sharing of generators.
Prime movers – Diesel Engines, Steam Turbines.
Transformers – High & low voltage transformers – Step up & Step down transformers - Transformer efficiency – maintenance & care.
Power Distribution – Main switch boards & power distribution boards – Circuit breakers. Measuring instruments, Overload Trip, Short Circuit Trip, Fuses & other protections.
UNIT – III
Fresh water – Methods of generation of fresh water from sea water – Principle, Construction & Operation of fresh water generators, Steam evaporator, Flash evaporator & Reverse Osmosis plant.
Treatment of water for obtaining potable water – Storage & supply of fresh water in ships – Fresh water & Sanitary water hydrophore systems.
Compressed air – Air compressors & compressed air systems – use of compressed air on board ships – storage & distribution of compressed air.
Steam – Types of Marine Boilers – Construction & Operation of water tube & smoke tube boilers – Boilers mountings – Safety features – Waste heat recovery boilers – Boiler maintenance -Importance of boiler feed water chemical treatment.
UNIT – IV
Refrigeration & Air Conditioning – Principle of refrigeration – Vapour compression cycle – Compressors, other components & operation – Arrangement of cold storage holds.
Pumps – Working principle & construction of different type of pumps – Selection of pumps for different duties on board ships.
Steering – Common types of steering gear – Electro-Hydraulic steering gear- 2 & 4 Ram systems – Telemotor & control systems- Hydraulic transmitter, Telemotor receiver, Transmission of steering wheel signal to steering engine – Wheatstone Bridge priniple-Pressure equalizing system – Fluid used-Cross head & Floating link-Hunting gear-follow-up & non follow-up systems
Logs-Patent log, Impeller log, pitot log & Doppler log
INTERNAL COMBUSTION ENGINES
UNIT – V
Working principle – Basic principles of cycles, P-V Diagram, Work done etc – 4- stroke & 2-stroke engines.
Classification of various types of engines – various types of modern diesel engines.
Main components of diesel engine & construction – working of 4-stroke & 2-stroke engines.
BASIC MARINE WORKSHOP
Cutting filing, preparation of level surfaces on metals.
Drilling, taping, reamer operation.
Shaping, drilling, grinding operation.
Edge preparation on steel objects for welding
Welding of simple joints.
Removal & fittings of ball; bearing
Overhaul of valves practice on fittings on pipeline
Competency – cutting & planning, Dove tail joints.
BASIC ELECTRICAL WORKSHOP
Electrical wiring diagrams and fittings of simple circuits.
Fuses, earthings, tube & other light fittings, etc – practice training
BOOKS RECOMMENDED FOR REFERENCE :
General Engineering Knowledge for Marine Engineers by L.Jackson &
T.Morton.Thomas Reed Publications Ltd
Reeds Engineering Knowledge for Deck Officers by W.Embleton & T.Morton
Thomas Reed Publications Ltd
Basic Electro Technology for Engineers Thomas Reed Publications Ltd
Marine Engineering Series - Marine Boilers by Gth Flanogar Heinemann
Marine Engineering Series - Marine Diesel Engineers Heinumann Publishing Ltd.,
Marine Auxillary Machinery by D.W.Smith ,Butterworths
Marine Electrical Practice by Butterworths
Navigation – III
SECTION A – Principles of Navigation
Birth of the Universe, stars, planets and their satellites. Signs of the Zodiac. Recognition of navigational stars with reference to their constellations. Stellar magnitudes
Kepplers laws, distance of planets from the sun, Bode’s law. Inferior and superior planets. Axial revolution of planets. Relative motion of planets in their orbits. Elongation, morning and evening stars. Reasons for change of SHA/RA of sun, moon and planets. Direct and retrograde motion of planets. Solar prominences, solar spot cycle and its effects on terrestrial magnetism.