Syllabus - Officer in Charge of an Engineering Watch

SYLLABUS 3
OFFICER IN CHARGE OF AN ENGINEERING WATCH (OOW)
(Engineering Knowledge)
The syllabus for "General Engineering Science" and "General Engineering Knowledge" for
the examination for issue of the Officer of the Watch Certificate of Competency will include the
following topics:-
General Engineering Science:
The setting out of calculations, extraction and cancellation of common factor, significant figures,
degree of accuracy.
Averages, percentages, ratio, proportions.
Use of logarithm tables, slide rule, electronic calculator for basic mathematical functions e.g. roots,
powers, percentages, fractions, multiplication, division, etc.
Re-arrangement of formulae; use of brackets and factors; simplification of fractions, etc.
Solution of simple equations by algebraic and graphical methods.
Triangles - isosceles, equilateral; Theorem of Pythagoras; similar triangles.
Measurement of angles in degrees and radians; Sine, Cosine, Tangent,; simple trigonometrical
functions.
Measurement of areas of triangles, parallelograms, circles and irregular shapes including the use of
the Mid-Ordinate and Simpson's Rules.
Surface area and volume of cylinder, sphere, cone, cube, and frustum of shapes.
Determination of centre of area and centre of gravity for basic shapes and volumes.
Elementary vector representation of forces; triangle of forces; resultant and equilibrant of a system of
concurrent, co-planar and non co-linear forces; couples.
Principles of moments, application to simply supported beams, levers, cranked levers, etc.
Elementary displacement, time, speed, velocity and acceleration (Linear only).
Force, moment of force, torque, work, energy, power.
Simple machines, velocity ratio, mechanical advantage, efficiency.
Friction and coefficient of friction for horizontal plane and dry surfaces only; elementary lubrication.
Issue Date: 31/10/08
Revision No: 002
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Elementary direct stress and strain; Hookes Law, Modules of Elasticity, elastic limit, Ultimate
Tensile Strength, Yield Stress, Limit of Proportionality, Shear Stress, Safety Factor.
Basic hydrostatics, relative density, variation of fluid pressure with depth, Archimedes principle, etc.
Elementary transverse stability, centre of buoyancy, centre of gravity and metacentre (box shape
only), transverse movement of masses, effects of cranes/derricks, dangers from free-surface, trim and
factors affecting trim, hogging, sagging.
Temperature and its measurements; temperature scales; significance of absolute temperature; heat as
energy, conservation of energy applied to heat and work.
Fuels; basic combustion; air/fuel ratio; calorific value.
Expansion and contraction of solids, liquids and gases; change of state/phase;
evaporation. Practical applications e.g. steam, refrigerants, etc.
latent heat;
Compression and expansion of gases; Gas Laws; Boyles Law; Charles Law; elementary gas
equations; Specific heat capacity.
Elementary consideration of heat transfer by conduction, convection and radiation; effect of
insulation.
Elementary principles and cycles of operation of IC engines and turbines; the indicator diagram;
power developed; fuel consumption; turbocharging; air supply, etc.
Simple electric circuits; voltage; Current; effects of electric current (i.e. chemical, magnetic and
thermal); Ohm's Law and resistance; series and parallel circuits; electromotive force, relevant
measurement units for voltage, current, resistance, power/energy.
Distribution of current in circuits; resistance of conductors, variation of resistance with dimensions,
material and temperature; insulation.
Protection of electrical circuits; fuses; circuit breakers; earth leakage detection.
Secondary cells (acid and alkali); construction; capacity - ampere hour.
Basic instruments; moving coil, moving iron (repulsion type); practical applications.
Elementary magnetism; magnetic field; lines of force; field due to currents in straight and coiled
conductors; motor and generator principle; commutation; solenoids.
Engineering Knowledge:-
Ability to transmit information relating to machinery components by means of simple drawings with
supplementary notes and specifications.
Elementary knowledge of the processes/methods used in the manufacture of engineering materials
and components; effects of various treatments on the physical properties of the materials commonly
used.
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Basic constructional details of main and auxiliary boilers; boiler mountings; water level management;
firing/combustion arrangements; elementary boiler water treatment.
Basic constructional and operational details of main and auxiliary diesel engines; lubrication systems;
starting and control systems; reversing; fuel systems; cooling systems; turbocharging, the
identification of common faults.
Basic constructional and operational details of main and auxiliary steam plant, lubrication systems;
starting and control systems; reversing; fuel systems; cooling systems; the identification of common
faults.
Basic steam plants; feed systems; main and auxiliary turbines; ejectors; condensers, the identification
of common faults.
Elementary principles and construction of gearing systems; clutches; shafting and propellers.
Basic construction, arrangements and operation of different types of steering gear; rudders.
Basic knowledge of air compressors; air receivers; filters and driers; risks from oil contamination.
Basic knowledge of refrigeration, ventilation and air conditioning systems.
Elementary principles of action of different pump types; applications of each type.
Basic layout of pumping and piping systems; bilge, fire, ballast, fuel, lubricating oil, cooling media;
piping materials; valve types; expansion and vibration arrangements; gasket materials.
Fuel management systems; bunkering, storage; transfer; heating; purification; filtration.
Basic control systems; general principles; measurement and feedback; reducing valves; flow,
pressure, level and temperature regulation.
Basic ship construction and terminology, longitudinal and transverse framing, tanks, cofferdams,
hatches, anchoring and mooring equipment, identify cargo handling systems, structural fire
protectiion, watertight and weathertight closures, loadline items.
Generation and distribution of inert gas for use in cargo tanks.
Fire related systems; basic detection systems; fixed and portable equipment and its use; prevention
and reduction of risks; reaction to fire; fixed installations e.g. CO2, water spray, etc; fireman's outfits;
basic maintenance of equipment.
Appropriate action in the event of fire, flooding, oil spillage or other emergency; escape routes; use of
general/engineers alarm.
Knowledge of Code of Safe Working Practice and its relevance to machinery spaces; entry into
enclosed spaces and tanks; lifting gear/cranes; safety clothing; dangers from rotating or exposed
machinery, hot surfaces, etc.
Safe and efficient operation and maintenance of electrical equipment; circuit/equipment isolation and
verification. Knowledge of the electrical system and distribution arrangements on ships. Electrical
safety devices and precautions when working on electrical equipment. Understand the difference
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etween HV and LV systems. State the voltage above which a system is classified as HV. State the
safe voltage of AC hand held power tools and equipment.
Basic knowledge of relevant international conventions: SOLAS, LOADLINE, MARPOL, STCW,
ISM, Port State Control, and their relevance to the duties of an OOW; keeping a safe engineroom
watch at sea and in port; obligations to ratings or other personnel; duties in relation to prevention of
pollution of the marine environment.
Use of IT and computers for marine applications
Knowledge of Statutory Instruments and Marine Notices.
The Oral examination will deal with general matters relating to practical watchkeeping on all
vessels and will also concentrate on matters relevant to steam, motor or combined steam and
motor depending on the type of certificate under consideration. In general, the syllabus for the
oral examination will include the following:-
Basic constructional details of main and auxiliary boilers; boiler mountings; water level management;
firing/combustion arrangements; boiler water treatment and management. Operation of boilers
including combustion system, checking water level, water contamination; safety devices; blowing
down; action in emergency.
Basic constructional and operational details of main and auxiliary diesel engines; lubrication systems;
starting and control systems; reversing; fuel systems; cooling systems; turbocharging, the
identification of common faults. Identification and rectification of common faults in machinery and
plant in engine and boiler rooms.
Basic constructional and operational details of main and auxiliary steam plant, lubrication systems;
starting and control systems; reversing; fuel systems; cooling systems; the identification of common
faults. Identification and rectification of common faults in machinery and plant in engine and boiler
rooms.
Routine associated with taking over and accepting a watch or UMS duty; routine duties undertaken
during a watch or UMS duty; handing over to the next watch or UMS duty engineer.
Compilation of machinery space log book and understanding significance of readings taken;
Safety related precautions to be observed during a watch and immediate actions in the event of an
emergency or accident; crankcase explosion; machinery overspeed; major fuel or oil leakage;
ruptured steam piping; flooding, etc.
Preparing/testing of main and auxiliary machinery and equipment before proceeding to sea.
Responsibilities, duties and precautions in relation to bunkering operations.
Routine pumping operations of fuel oil, bilge water, ballast, fresh water, etc.
Use of oily water separator; holding tanks; sludge pump; precautions to be observed to prevent
pollution of the marine environment; use of oil record book; garbage management, sewage and air
pollution prevention.
Preparing, starting, coupling and changing over alternators or generators.
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Revision No: 002
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Understanding of the electrical system and distribution arrangements on ships. Electrical safety
devices and precautions when working on electrical equipment. Actions to be taken in the event of
electric shock and fire.
Location and rectification of common faults in pumps and pumping systems.
Operation and use of fire extinguishing appliances, life saving appliances, safety equipment.
The safe operation of watertight doors, fire doors and an appreciation of the function of structural fire
protection arrangements.
Basic construction and operation of inert gas systems.
ISM and Security at the operational level.
This examination will also require the candidate to understand the chief engineer's responsibilities in
relation to the management, voyage needs, operation and maintenance of the typical marine power
plants and machinery installed on vessels having a registered power of less than 750 KW.
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Revision No: 002
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