“APPENDIX –C”
[See rule 10 (2)]
SYLLABUS FOR FISHING VESSEL ENGINEERS EXAMINATION APPLIED MECHANICS
Kinematics - Velocity; Acceleration; falling bodies; vectors and their applications to velocities; relative velocity; composition and resolution of acceleration; angular displacement velocity and acceleration.
The Laws of Motion – Fist law : intertia : weight ; momentum; second law impulse; third law ; motion of connected bodies at wood’s machine.
Work Power and Energy – work units; power ; moment of a force; work of a torque; energy – potential kinetic principal of work.
Motion in a Circle – simple Harmonic Motion- Uniform circular motion: centripetal and centrifugal forces, curved track; conical pendulum; motion in vertical circle; simple harmonic motion; energy in S. H. metion; simple pendulum.
State-Friction – Friction angle of friction; sliding friction action of brakes, adhesion; fraction of crew.
Static of Rigid Bodies – Parallel forces; moments; moment of resultants ; principal of mornents; couples reduction of a complaner system; conditions of equilibrium; of three forces.
Centre of gravity – Centre of parallel forces; center of mass center of gravity of two bodies; straight rod; triangular plate; rectilinear figures; lamina with part removed. Properties of center of gravity center of gravity of distributed load body resting on a plane; stable instable and neutral equilibrium; work done in lifting a body.
Simple Mehines – Velocity ration; mechanical advantage; efficiency; Wheel and axle; differential pully blocks; worm and work wheel; screw jack; Hydraulic Jack Torque wrench.
Stress and Strain. --- Ultimate tensile strength; working stress; factor of safety; strain; Modules of elasticity; Tensile.
Pressure Vessels. – Circumferential and longitudinal stresses in think cylinders; working pressure.
Bending of Beams – Conditions of equilibrium; Simply supported beams and cantilevers; Concentrated and distributed loading; Shearing force and bending moment diagrams.
Torsion -- Fundamental torsion equation; Relationships between torque, stress and power, Torsional resilience, Maximum and men torque; Coupling bolts; Hydraulic steering gear.
Hydraulics - Density; spice gravity; Principals of Archimedes; Apparent loss of weight; floating bodies gloation and buoyancy; conditions of equilibrium of floating bodies;
Partial immersion; stability of floating bodies; Metacentre and Metacentric height ; Pressure had; pressures on immersed surface; center of pressure; Bernolile’s equation; venturimeter; Impact of Water jet; centrifugal pump.
APPLIED HEAT
Measurement of temperature and pressure; absolute temperature absolute, gauge & partial pressures, Heat, work, power, energy conservation of energy; Fuels, calorific values Mechanical equivalent; water equivalent; Change of Phase; Specific enthalphy of fusion and evaporation.
Thermal expansion – expansion & contraction of solids and liquids: Expansion and compression of perfect gauges; Boyle’s Law: Charles Law: relationship between pressure, volume and temperature; characterstic gas equation; specific Heat Capacities; Relationship & ration of specific heats; Gas constant.
Thermal processes. - isothermal adiabatic. Polytropic processes.
Energy, Transfer - Work transfer heat energy supplied and work done; Prosperities of working fluids; i.e. water. Steam.
Idel Cveles – Constant volume, diesel, duel combustion carnot. Reverse cannot cycles. Clearance and stroke volumes.
Flementarv principles of IC Engines – Cycle of operation of 2 and 4 stroke engines; Mean effective pressure; indicated & brake power ; mechanical and thermal efficiency.
Reciprocating Air Compressors - Effect of clearance volume: work done per cycle; Multi-stage compressor.
Refrigeration – Working cycles. Properties of working fluids. Refrigerants; vapour compression cycle, vapour absorption system Capacity and performance, co-efficient of performance Thermostatic Valves.
ELEMENTARY DRAWING
Geometrical drawing – construction and use of seales; construction of plane figures and curves used in engineering practice; projection of points, lines. Planes and simple solids in varving positions and with alternation of ground lines; Sections of solids; Interpenetration of solids (simple cases only) ; Development of surfaces; Isometric scales and projection.
Machine Drawing - First and third angle projections Sections and auxiliary views ; conventional representation of machine elements materials, etc; Development from given view and drawing additional views; Forms and proportions of bolts, nuts, screws, keys. Cotters. Pips. Locking devices kauckle and cottered joints , pipe joints shaft counlings, bearing and supports. Nullevs etc., Drawing to scale of simple machinvery parts such as pistons : connection rods staffing boxes crossheads. Valves, valves cylinders, cylinder covers etc.
ELECTRO-TECHNOLOGY
Electrical units of current; quantity voltage resistance; Electromotive force and terminal p.d. of voltage.
Ohm’s law : Kirchhoff’s laws : wheat Stone Bridge : Resistance of a conductor : variation with dimensions material and temperature. Temperature coefficient of resistance: Series and parallel circuits: Relations between mechanical, heat energy and electrical energy; Thermocouple; Bimetal strips: Ammeters and voltmeters.
Electrolysis Electrolytic cells, Quantitative laws of electrolysis, Electro-chemical equivalent.
Primary and secondary cells :– Internal resistance, cell e.m.f., Polarisation The Leclanche cell (wet and dry types); The secondary cell, construction, capacity and efficiency; Charging procedure; Grouping of cells.
Natural and artificial magnets: – The magnetic field; flux and flux-density; Current-carrying, conductor, loop and solenoid; iron core; Force on a current-carrying conductor in a magnetic field; Flux-linkages; State induction, e.m.f. of self and mutual induction. The Weber; Direction of induced e.m.f.; Fleming’s right-hand rule.
The simple mangneto-dynamo; The simple d.e. generator; commutation and practical requirements, winding.
D.C. Generator field, armature, armature winding arrangements, e.m.f., equation; Shunt, series and compound connected generators.
The D.C. Motor – Back e.m.f. of a motor; Voltage; current and speed equations; Speed controlling factors; Types of d.c. motor, shunt, series and compoun; Motor starter Speed control, field and voltage control.
Basis A.C. Theory; The a.c. waveform; Representation of sinusoidal alternating quantities; Root mean square and average values, Form Factor; The A.C. Circuit-Impedance, inductance inductive reactance; Capacitance, Capacitative reactance, Simple; series; parallel Circuits with resistance; inductance and capacitance. Power factor; power factor improvement, true and apparent power; KW, KVA and KVAr. – three phase system – Three phase power.
Electronics-Thermionic devices; The vacuum diode; The fluorescent lamp; Transistors Basic theory; N-type, P-type. The P-N junction; Rectifier operation; static and dynamic operation.
ENGINEERING KNOWLEDGE
Engineering knowledge to be shown by candidates is that which is required for use, operation and maintenance of machinery, equipments and auxiliaries, usually in the charge of the Engineer of Fishing Vessel. A knowledge of managerial responsibilities of a certificate Engineer Officer is also required.
Candidates should be able to illustrate their answers by means of free hand sketches.
Engineering Knowledge I:
(a) Ability to transmit information relating to machinery components by means of simple drawings with supplementary notes and specification :
(b) General uses and applications of various materials used for manufacture of machinery of fishing vessels; their usual mechanical tests to which these materials are normally subjected.
(c) Knowledge of methods of manufacture of various machinery components and the effects of various treatments on physical properties of the materials commonly used.
(d) The construction; use and principle involved in working of pressure gauges; thermometers; pyrometers and other measuring instruments commonly used on board fishing vessels.
(e) Construction, operation and maintenance of different types of pumps and general requirements of different pumping systems; damage control to prevent engine room flooding. Oily water separators.
(f) Construction; operation and maintenance of steering gears; deck machinery and catch handling equipments.
(g) Work relating to dry docking including propeller; C.P. propeller, tail shaft, rudder and sea connections.
(h) Knowledge of construction, operation and maintenance of fire fighting appliances.
(i) Methods of and aids for fire prevention, detection and extinction; their construction; operation and maintenance.
(j) Constructional details of ships hull with particular reference to storage of liquids; Engine girder; bulkheads and their stiffening, constructional details of bottom bull; fore and after part, stentube etc.
(k) Elements of ship’s transverse and longitudinal stability and effects of free surface effect.
(l) Knowledge of statutory requirements concerning safely, manning etc.
(m) Regulation regarding precautions to be taken for prevention of marine environment pollution. Implementation of International agreements and convention.
Engineering Knowledge – II
(a) Principles of working of two and four stroke Internal combustion engines (supercharged and naturally aspirated).
(b) Construction and operational details of Internal combustion engines normally fitted on fishing vessels.
(c) Running and routine maintenance of marine diesel engines with particular reference to safety devices, means of cooling pistons and cylinder heads starting and reversing arrangements.
(d) Detection of faulty operation of engines; location of the fault and remedial measures to be taken.
(e) Dismantling; overhauling and repairs to Internal combustion engines and testing thereafter.
(f) Principles of working; construction; operation testing and maintenance of marine gearboxes; clutches and ancillary equipment used on board fishing vessels.
(g) Construction; running and maintenance of single and multi stage air compressors (both air and water cooled); precautions before starting safety devices provided on them.
(h) Properties of fuel and lubricating oils used in Internal combustion engines, flash point, cetane number etc.
(i) Fuel system lubricating oil system and hudraulic systems.
(j) Precaution against explosion due to oil; vapour; gas; Dangers due to oil leakage; Precaution while bunkering.
(k) Explosions in crankcases and air starting systems, precautions to prevent them and safety devices provided.
(l) Elementary calculation regarding speed, consumption of fuel, lub, oil and fresh water, maintenance of simples log book concerning performance of engines.
(m) Construction and operation of refrigerating plans and methods of insulating fish hold and fish pond.
(n) Detection of faulty operation and its rectification; methods of charging and purging of refrigerating system.
(o) Safety devices fitted on the refrigerating system, their operation and maintenance.
Viva Voce Examination
The candidates for the certificate of Competency shall be required to have adequate knowledge of the items covered under Engineering Knowledge I and II paper and in addition be will be required to have knowledge of practical aspects of Electrotechnology, Ship Construction and Naval Architecture.
(II) Appendix-E to the said rules -
(a) in column 4, for the letters “B.H.P.”, the letters “K.W.’ shall be substituted;
(b) above the line beginning with the cords “Number of days actually spent at sea…..”, insert the words “Number of laid up days spent on repair/surveys………”.
[F. No. SR/11012/4/90-MA]
K. PADMANABHACHAR, Under Secy.
Note – The Principlal rules were published in the Gazette of India, Part II, Section 3, Sub-section (i) at pages of Shipping and Transport, (Transport Wing), New quently amended by (I) G.S.R. 744 dated 4-6-1975 and (2) G.S.R. 976 dated 15-6-1976.
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