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BSc Nautical Sciences MECS III Syllabus - Mumbai University 2026

This degree runs on the Choice Based Credit System throughout, items 4.69, 4.70 and 4.71 of the Academic Council of 23 July 2020, in force from the academic year 2020-21. The University’s earlier Credit Based Semester and Grading System syllabus is what her older third-year timetables name, so check which scheme your exam form names before you revise.

MECS - III Syllabus.pdf
Semester 6 · TY BSc Nautical Sciences · 4 credits · 150 marks

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Syllabus for MECS - III

Semester 6 · TY BSc Nautical Sciences · 4 credits · 150 marks

Module I: MARINE ENGINEERING

  • Auxiliaries:
  • a Fuels: Different types and properties. Fuel storage & supply on board the ship. Fuel oil System. Treatment of fuel
  • b Propellers & main shafting: types of propellers, fixed pitched & variable pitch propellers. Pitch, pitch angle, real and apparent slips, propeller efficiency, calculations based on same. Shafting tailend shaft, thrust block, intermediate shaft, alignment.
  • c Deck Machinery: Cargo winch, windlass, lifeboat winch. Hydraulic, Pneumatic electric drives. Safety features.

Module II: MARINE ENGINEERING

  • Main propulsion units (IC engine and others)
  • a Process of exhausting, scavenging and supercharging. Scavenge fires.
  • b Lubricating oil, jacket (and other) cooling water systems. Types of lubricating oils for different duties. Simple C.W., L.O and F.O. flow circuits for large diesel engine. Reasons and methods of chemical treatment of C.W. system. Testing of jacket cooling water.
  • c Operations of IC engine as main propulsion engine. Warming up, starting manoeuvring, reversing and full power running of the main engine. Limitations and care required on IC engine during manoeuvring and at full power.
  • d Selection criterion of IC engines, power weight ratio, specific fuel consumption, indicated power, brake power, shaft power, delivered power, thrust power, effective power. Various efficiencies, calculations based on same. Maximum continuous rating (MCR). Calculation of fuel consumption, economic speed. Heat balance, various losses and calculations.

Module III: MARINE ENGINEERING

  • “Other propulsion units”
  • a Turbines: Impulse and reaction turbine, gas turbines, steam turbine, operations & care. Turbines as prime movers for various duties including as cargo pumping operations on tankers. Steam turbine, gas turbine as main propulsion units. Advantages and disadvantages. Manoeuvring operations.
  • b Pollution control: Sewage treatment Plant, Sewage disposal methods,limits, regulations. Bilge oil water separator construction, operation & regulations. Control of pollution from machinery exhausts regulations and remedies. Incinerator construction and operations, regulations.Comminuter/Grinder, Ballast water treatment plant. NOx Technical Code

Module Practical

  • PUMP AND VALVES
  • i Identifies various pumps used onboard ii) Identifies the parts of pumps viz centrifugal pump, gear pump, reciprocating pump and states its use. iii) Demonstrates the ability to remove ball bearing from a shaft. iv) Demonstrates the Starting of centrifugal pump.
  • v Identifies valves viz Globe valve, gate valve, non return valve, swing check valve. vi) Dismantle and assemble globe valve and gate valve carry out gland packing and gasket cutting. vii) Identifies parts of globe valve and gate valves. DIESEL ENGINE
  • i Identifies the parts of Medium and large diesel engine and states its use. ii) Identifies the parts of Medium and large diesel engine and states its use. iii) Demonstrates the Assembly of small diesel engine and its components. iv) Demonstrates the Starting and running operation of motor boat engines. HEAT EXCHANGERS AND AIR COMPRESSOR
  • i Identifies the types of heat exchanger and identify its parts. ii) Dismantle and assemble heat exchanger and describe the working of heat exchanger. iii) Demonstrates the importance of zinc anodes in heat exchanger. iv) Identifies the parts of reciprocating air compressor and states its use.
  • v Demonstrates the ability to start and stop a air compressor.

Reference Books

  • 1 Basic Marine Engineering J.K. Dhar
  • 2 Engineering knowledge for Deck Officers Reed
  • 3 General Engineering knowledge Vol. 8 Reed
  • 4 Mechanical Engineering Science Hannah & Hiller
  • 5 Marine Auxiliary Machinery Smith
  • 6 A text book of Workshop practice R.S.Khumri and J.K.Gupta
  • 7 Unitor Welding Handbook
  • 8 A Guide to Safety and Health at Work for Gas Welding and Flame Cutting –Occupational Safety and Health Branch Labor Department
  • 9 Introduction to Hydraulic and pneumatic S.Ilango& V. Soundararajan
  • 10 MARPOL 73/78 as amended IMO
  • 11 NOx Technical Code IMO

Reproduced from the University of Mumbai syllabus for B.Sc. (Nautical Science) under the Choice Based Credit System, in force from the academic year 2020-21. Wording is as printed in that syllabus. Module numbering is as printed there too.

The complete syllabus

This subject is cut from the University circular for its year. Open a document here if you want the whole thing rather than a single subject.

PDF 4.69 B.Sc. Nautical Science (NS), Semester I & II Choice Based Credit System syllabus Read full PDF Read
PDF 4.70 B.Sc. Nautical Science (NS), Semester III & IV Choice Based Credit System syllabus Read full PDF Read
PDF 4.71 B.Sc. Nautical Science (NS), Semester V & VI Choice Based Credit System syllabus Read full PDF Read
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