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GATE 2025 Syllabus for Naval Architecture & Marine Engineering (NM) - Download Syllabus with Weightage PDF

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Waqar Niyazi

Content Curator | Updated On - Nov 7, 2024

IIT Roorkee released the syllabus for GATE 2025 Naval Architecture & Marine Engineering on https://iitr.ac.in/gate/. The syllabus for Naval Architecture & Marine Engineering consists of Engineering Mathematics, Applied Mechanics and Structures, Fluid Mechanics and Marine Hydrodynamics, Naval Architecture and Ocean Engineering, and, Thermodynamics and Naval Architecture & Marine Engineering.

The exam is likely to be conducted from February 1-9, 2025, registrations for which will begin in August 2024. You can cover the entire syllabus of Marne Engineering in a minimum of 6 months but it is always advisable to start early.

Subject Syllabus PDF
Gate Humanities & Social Sciences syllabus PDF

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General Aptitude Syllabus

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GATE MN Exam Pattern

Exam Pattern for Naval Architecture & Marine Engineering

The following will be the exam pattern for GATE 2025 Naval Architecture & Marine Engineering, based on the previous year papers and notice by IIT Roorkee.

Section Type Of Questions Number of Questions Distribution of Marks Total Marks
General Aptitude MCQ 10 (5 x 1) + (5 x 2) 15
Engineering Mathematics MCQ, MSQ, NAT 55 (25 x 1) + (30 x 2) 85
Naval Architecture and Naval Architecture & Marine Engineering
Total 65 100

GATE MN Highlights

GATE 2025 Naval Architecture & Marine Engineering in a Nutshell

The following are some of the highlights for the GATE 2025 Naval Architecture & Marine Engineering exam:

Particulars Details
Examination Mode Computer Based Test (CBT)
Duration 3 Hours or 180 minutes
Sections General Aptitude (GA) +Naval Architecture and Naval Architecture & Marine Engineering
Type of Questions (a) Multiple-Choice Questions (MCQ)
(b) Multiple-Select Questions (MSQ) and/or
Numerical Answer Type (NAT) Questions
Questions for testing these abilities Recall
Comprehension
Application
Analysis & Synthesis
Number of Questions 10 (GA) + 55 (subject) = 65 Questions
Marks Distribution General Aptitude (GA) = 15 marks +Naval Architecture and Naval Architecture & Marine Engineering = 85 marksTotal = 100 marks
Marking Scheme Questions carry 1 mark and 2 marks
Negative Marking For a wrong answer chosen in a MCQ, there will be negative marking. For a 1-mark MCQ, 1/3 mark will be deducted for a wrong answer. Likewise, for a 2-mark MCQ, 2/3 mark will be deducted for a wrong answer

GATE MN Important Sections

Important Sections to Note for GATE Naval Architecture & Marine Engineering

The following are some of the important topics for the Naval Architecture & Marine Engineering exam as per GATE 2025 :

Section 1 Engineering Mathematics Determinants and matrices, Systems of linear equations, Eigen values and eigen vectors. Functions, gradient, divergence, curl, chain rules, partial derivatives, directional derivatives, definite and indefinite integrals, line surface and volume integrals, etc
Section 2 Applied Mechanics and Structures
  • Engineering Mechanics: Free-body diagrams and equilibrium; trusses and frames; virtual work, etc
  • Mechanics of Materials: Stress and strain, elastic constants, Poisson’s ratio; Mohr’s circle, etc.
  • Vibrations: Free and forced vibration of damped and undamped systems, single and multi DOF systems.
  • Machine Design: Design for static and dynamic loading; Design of machine elements such as shafts, gears, etc.
Section 3 Fluid Mechanics and Marine Hydrodynamics
  • Fluid Mechanics: Fluid properties; fluid statics, stability of floating bodies; Conservation laws: Mass, momentum and energy (Integral and differential form); etc.
  • Boundary layer control. Airfoils- Lift, drag, circulation, pressure distribution-theory of thin aerofoils, wings of infinite and finite span, circulation distribution, Cavitation.
  • Vorticity and Kelvin’s theorem, Potential flow theory, Sources, Sinks and Doublets, hydrodynamic forces in potential flow, D’Alembert’s paradox, added-mass, etc.
Section 4 Naval Architecture and Ocean Engineering
  • Ship geometry and physical fundamentals - Archimedes’ principle, buoyancy and weight of the ship, laws of flotation, heel and trim, stable and unstable equilibrium of ships, the importance of streamlined hull shape, ship main particulars, hydrostatic calculations
  • Stability and trim of Ships: Statical stability at small angles of heel, Inclining experiment. Shift of centre of gravity due to addition or removal of mass, etc.
  • Resistance & Propulsion: Components of ship resistance, form factor, hull roughness, model testing and ship resistance prediction methods, tank wall effects, determination of ship resistance different series test results, etc.
  • Ship Manoeuvring and Motions: Ship path keeping and changing, equations of motion, linearised equations and control fixed stability indexes, model tests, etc.
  • Ocean waves – regular, irregular, trochoidal. Wave spectrum, encounter frequency. Types of ship motions, coupled and non-coupled motions, etc.
  • Ship Structures & Strength: Shipbuilding materials, joining techniques, ship structural and framing systems – bottom, side, deck, bulkhead, end structures, and structural connections. Primary and secondary structural members, superstructure, hatch covers, machinery foundations, cargo handling systems and support structures.
  • Loads acting on ships in seaway, longitudinal and transverse strength considerations and estimation methods.
  • Physical Oceanography: Physical properties of seawater, Different types of ocean waves - tides and wind waves, and their importance. Offshore Structures: Fixed offshore platforms - Jackets, Gravity platforms; etc.
Section 5 Thermodynamics and Naval Architecture & Marine Engineering
  • Thermodynamics: First law of thermodynamics - Closed system undergoing a cycle; closed system undergoing a change of state; Internal energy of a system;etc.
  • Marine Diesel Engines: General engine principles, Low speed and medium speed diesel engines, Two and Four stroke engines, Scavenging and turbocharging, etc.
  • Marine Steam Turbines: Types of turbines, compounding, reheat, turbine construction, rotors, blades, etc
  • Marine Boilers: Types - fire tube, water tube boilers, Package boilers, Cochran Boilers, Composite boilers, steam to steam generators, etc.
  • Engine Dynamics: Torsional vibration of engine and shafting, axial shaft vibration, critical speeds, engine rating, rating corrections, trial tests etc.
  • Marine Auxiliary Machinery & Systems: Different types of pumps and piping systems in ships - hot water, drinking water, cooling water and seawater, fuel oil systems, etc.

GATE MN Topic-wise Weightage

GATE 2025 Naval Architecture & Marine Engineering Topic wise Weightage

The following is the weightage each topic bears in the Naval Architecture & Marine Engineering exam:

Topics Weightage in %
General Aptitude 15%
Ship Geometry and Physical Fundamentals 10%
Hydrostatics and Stability 15%
Seakeeping 10%
Ship Propulsion and Machinery 20%
Ship Structures and Materials 10%
Marine Electrical and Electronic Systems 10%
Ocean Engineering 5%

GATE MN Books

GATE 2025 Naval Architecture & Marine Engineering Books to Refer

Name of the Book Author
Mechanics of Material RC Hibbeler
Machine Component and Design Wiley Publications
The Hydrodynamics of Waves and Tides with Applications M. Rahman
Fluid Mechanics CS Jog
Springer Handbook of Ocean Engineering Springer Publications
Marine Diesel Engines Deven Aranha
Engineering Thermodynamics P. Chattopadhyay

GATE MN Previous Year Question Papers

Previous Year Question Papers

Session Question Paper PDF
2024 Check Here
2023 Check Here
2022 Check Here

Frequently Asked Questions

Frequently Asked Questions

Ques. When will the official syllabus for GATE 2025 Naval Architecture & Marine Engineering be declared?

Ans. The official syllabus has been released by IIT Roorkee for the GATE exam.

Ques. When will the mock exams be released for GATE 2025 Naval Architecture & Marine Engineering?

Ans. The official website's link for the GATE NM mock test 2025 will be activated by the authority. Candidates who have enrolled can take a free practice exam for the GATE. To access the GATE sample test for Naval Architecture and Naval Architecture & Marine Engineering, no credentials are needed. The mock exam provides a thorough evaluation of applicants' abilities and knowledge. It allows applicants to assess their level of expertise in many areas by covering a broad variety of topics. Candidates may get better at time management, become familiar with exam difficulty levels, and identify high weightage themes by practicing the GATE NM mock test.


*The article might have information for the previous academic years, which will be updated soon subject to the notification issued by the University/College.

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