GATE NM Syllabus 2025: Naval Architecture & Marine Engineering

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Explore the comprehensive GATE Naval Architecture and Marine Engineering (NM) syllabus for 2024 to kickstart your exam preparation and achieve success.

GATE NM Syllabus 2024– GATE 2024 exam will be conduct by IISc, Bangalore on dates 3, 4 and 10, 11 February, 2024. Here we have provided latest Naval Architecture and Marine Engineering syllabus & paper pattern for GATE 2024 aspirants.

All candidates with Naval Architecture and Marine Engineering subject are advised to download this latest syllabus before starting their GATE 2024 exam preparation.

GATE 2024 Highlights

GATE 2024 Conducting BodyIISc, Bangalore
GATE 2024 Exam Date3, 4, 10, 11 February, 2024
GATE 2024 Total Subjects30
GATE 2024 Exam ModeONLINE Computer Based Test (CBT)
GATE 2024 Exam Duration3 hours (180 minutes)
GATE 2024 Total Questions10 (GA) + 55 (subject)= 65
GATE 2024 Total Marks100
GATE 2024 Question TypeMCQ, MSQ, NAT

GATE Naval Architecture & Marine Engineering Paper Pattern 2024

Paper SectionsMarks Distribution
Subject Questions72% of the total marks.
Engineering Mathemetics13% of the total marks.
General Aptitude15% of the total marks.

GATE Naval Architecture and Marine Engineering Exam Pattern Details 2024

GATE NM Paper SectionsDistribution of MarksTotal MarksTypes of Questions
General Aptitude5 questions of 1 mark each

(5×1=5)

5 questions of 2 marks each

(5×2= 10)

15 marksMCQs
GATE Naval Architecture and Marine Engineering Core SyllabusVaries85 marksMCQs, MSQs, NATs
Negative MarkingFor a 1-mark MCQ, 1/3 of the mark will be deducted for an incorrect answer.

 

For a 2-marks MCQ, 2/3 of the mark will be deducted for an incorrect answer.

 

No negative marking is allowed for multiple-select and numerical-type questions.

GATE Naval Architecture & Marine Engineering Syllabus 2024 PDF

General Aptitude Syllabus (Common to all papers) [pdf] Download
GATE Syllabus for Naval Architecture and Marine Engineering (NM) [pdf] Download

GATE Naval Architecture and Marine Engineering Syllabus for General Aptitude 2024

TopicsSubtopics
Verbal AptitudeEnglish grammar, vocabulary, Reading and comprehension, Narrative sequencing
Quantitative AptitudeData interpretation: 2 & 3-dimensional plots

Maps and tables

Numerical computation and estimation (including ratios, percentages, powers, exponents and logarithms) Permutations and combinations

Mensuration and geometry

Elementary statistics and probability

Analytical AptitudeLogic: Deduction and induction

Analogy

Numerical relations and Reasoning

Spatial AptitudeTransformation of shapes like translation, mirroring, rotation and scaling

Assembling and grouping

Paper folding, cutting, and patterns (2 and 3 dimensions)

GATE Naval Architecture and Marine Engineering Syllabus for Core Subjects 2024

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, theorems of Stokes
  • Gauss and Green
  • Linear, non-linear, first and higher order ordinary and partial differential equations, separation of variables
  • Laplace transformation, analytical functions of complex variables, Fourier series, numerical methods for differentiation and integration, complex analysis, probability, and statistics
Section 2: Applied Mechanics and Structures
Engineering MechanicsFree-body diagrams and equilibrium; trusses and frames; virtual work; kinematics and dynamics of particles and rigid bodies in plane motion; impulse and momentum (linear and angular); and energy formulations
VibrationsFree and forced vibration of damped and undamped systems, single and multi DOF systems
Mechanics of MaterialsStress and strain, elastic constants, Poisson’s ratio; Mohr’s circle for plane stress and plane strain; shear force and bending moment diagrams; bending and shear stresses; torsion; Euler’s theory of columns; energy methods; theories and Failure; material testing methods
Machine DesignDesign for static and dynamic loading; Design of machine elements such as shafts, gears, and rolling and sliding contact bearings; Joining techniques such as bolting, riveting and welding
Section 3: Fluid Mechanics and Marine Hydrodynamics 
Fluid MechanicsFluid properties; fluid statics, stability of floating bodies; Conservation laws: Mass, momentum and energy (Integral and differential form); Dimensional analysis and dynamic similarity; sources, sinks, doublets, line vortex, and their superposition; Stoke’s integral theorem. Generalized Bernoulli’s equation, sources, sinks, dipole, Flow with circulation, potential flow with rotational symmetry, hydrodynamical lift, Kutta-Joukowski theorem. Vortex motion- Fundamental concepts, vortex analogy to Biot-Savart’s law, straight parallel vortex filaments, vortex sheets. Viscous flow – Navier-Stokes equations, Couette flow, Plane poiseuille flow. Equation of continuity, Euler‘s equation, Bernoulli‘s equation, Viscous flow of incompressible fluids, elementary turbulent flow, boundary layer, flow through pipes.
HydrodynamicsVorticity and Kelvin’s theorem, potential flow theory, sources, sinks, and doublets, hydrodynamic forces in potential flow, D’Alembert’s paradox, added mass, slender body theory, hydrodynamic model testing, scaling laws, and application of potential theory to surface waves, energy transport, wave/body forces, and linearized theory of lifting surfaces
Boundary layer theoryPrandtl’s boundary layer equations, criterion for separation, Blasius solution, Skin friction, displacement thickness, momentum thickness, Turbulent boundary layer, Boundary layer control. Airfoils- Lift, drag, circulation, pressure distribution  -theory of thin aerofoils, wings of infinite and finite span, circulation distribution, Cavitation
Section 4: Naval Architecture and Ocean Engineering 
Ship Geometry and Physical FundamentalsArchimedes’ principle, buoyancy, and weight of ship, laws of flotation, heel and trim, stable and unstable equilibrium of ships, importance of streamlined hull shape, ship main particulars, hydrostatic calculations
Stability and Trim of ShipsStatical stability at small angles of heel, inclining experiment, shift of centre of gravity due to mass changes, transverse movement of mass and effect, free surface effect, effect of suspended mass, stability at large angles of heel, angle of loll, curves of statical stability, dynamical stability, damage stability, characteristic curves of dynamic stability, floodable length calculations and curves, loss of stability due to grounding, docking stability
Resistance and PropulsionComponents of ship resistance, form factor, hull roughness, and resistance prediction methods, tank wall effects, determination of ship resistance from different test results, resistance of advanced vehicles, appendage and added resistance, propeller geometry and theories, hull-propeller interactions, propulsive efficiency definitions, propeller cavitation and effects, propeller design and series, open water and self-propulsion model tests, different types of propellers and their principles, propeller material, strength, and manufacturing, unconventional propellers
Ship Manoeuvring and MotionsShip path keeping and changing, equations of motion, linearized equations and control fixed stability indexes, model tests for stability and control, rudder hydrodynamics, design, and operation, influence of propeller, hull, and appendages on rudder performance, experimental methods for hydrodynamic derivatives determination, ocean wave types and characteristics, ship motions, equations of motion, dynamic effects of ship motion in seaway, ship motion stabilisers and methods for determining ship motions, seakeeping features of high-performance marine vehicles
Ship Structures and StrengthShipbuilding materials and joining techniques, ship structural and framing systems, bottom, side, deck, bulkhead, end structures and 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, strength of hull girder, stiffened plate analysis, torsion of hull girder, deformation and stresses, local strength analysis, reliability analysis and ultimate strength of hull girder, structural vibrations, fatigue, and fracture
Physical OceanographyPhysical properties of seawater, ocean waves – tides and wind waves), offshore structures: fixed and floating platforms, mooring and station keeping, port and harbour engineering: port structures, dredging, navigation
Section 5: Thermodynamics and Marine Engineering 
ThermodynamicsFirst law of thermodynamics- Closed system undergoing a cycle, closed system undergoing a change of state, Internal energy of a system, Expansion work, Process using ideal gas, The second law of Thermodynamics, Carnot cycle- Carnot engine, refrigerator, and heat pump. Clausius inequality and definition of entropy, change of entropy of an ideal gas, Gas power cycles, and I.C.Engines, Carnot cycle, Brayton cycle, Ericsson cycle, Stirling cycle, Comparison with vapor compression systems, Humidification and dehumidification, Cooling and humidification, Cooling and dehumidification- Heating and humidification, Heating and dehumidification, Adiabatic mixing of air streams
Marine Diesel EnginesGeneral engine principles, Low-speed and medium-speed diesel engines, Two and Four-stroke engines, Scavenging and turbocharging, Fuel oil system, Lubricating oil systems, cooling systems, torque and power measurement, Starting air systems and reversing systems, controls and safety devices, Couplings and Gearboxes, Specific Fuel Consumption, Waste heat recovery system, MARPOL regulations, Energy Efficiency Design Index (EEDI), Ship Energy Efficiency Management Plan (SEEMP)
Marine Steam TurbinesTypes of turbines, compounding, reheat, turbine construction, rotors, blades, casing, gland sealing, diaphragms, nozzles, bearings, lubrication systems, expansion arrangements, gearings. Marine gas turbines: Fundamentals of gas turbines, structure of gas turbines, gearing, operational features, controls, combined cycles. Nuclear propulsion: Physical principles of the operation of nuclear reactors, use of nuclear propulsion on sea-going vessels. Electrical Propulsion
Marine BoilersTypes: Fire tube boilers, water tube boilers, Package boilers, Cochran Boilers, Composite boilers, steam to steam generators, double evaporation boilers, exhaust gas heat exchangers, auxiliary steam plant systems, exhaust gas boilers, composite boilers. Boiler mounting, combustion, feed system, feed water treatment
Engine DynamicsTorsional vibration of engine and shafting, axial shaft vibration, critical speeds, engine rating, rating corrections, trial tests etc. Relationship of engine to the propeller classification society rules on engine construction, Engine room arrangement. Automation of ship propulsion plants, Maintenance requirements and reliability of propulsion plants
Marine Auxiliary Machinery & SystemsDifferent types of pumps and piping systems in ships – hot water, drinking water, cooling water and seawater, fuel oil systems, lubricating oil system filters, coolers, centrifuges, purifiers and clarifiers, bilge and ballast systems, sewage disposal, oily water separators; air compressors, boilers, heat exchangers, waste heat recovery systems; Heat, ventilation and air conditioning systems; Deck machinery and cargo handling systems; Propulsion and steering gear systems

GATE Naval Architecture and Marine Engineering Weightage

TopicsWeightage in Percent
General Aptitude15%
Ship Geometry and Physical Fundamentals10%
Hydrostatics and Stability15%
Seakeeping10%
Ship Propulsion and Machinery20%
Ship Structures and Materials10%
Marine Electrical and Electronic Systems10%
Ocean Engineering5%

GATE Naval Architecture & Marine Engineering Guidance

GATE Naval Architecture & Marine Engineering Syllabus & Exam Pattern FAQs

What is Naval Architecture and Marine Engineering?

Naval Architecture and Marine Engineering is a branch of engineering that deals with the design, construction, and maintenance of ships and other marine vessels.

It involves a wide range of topics such as hydrodynamics, naval construction, marine power plants, ship design, and marine materials.

What is the GATE exam pattern for Naval Architecture and Marine Engineering?

The GATE exam for Naval Architecture and Marine Engineering consists of a single paper of 3 hours duration. The paper contains 65 questions carrying a total of 100 marks.

The paper is divided into three sections - General Aptitude (15 marks), Engineering Mathematics (10-15 marks), and Naval Architecture and Marine Engineering (70-75 marks).

The Naval Architecture and Marine Engineering section contains both multiple-choice and numerical answer type questions.

What is the syllabus for the Naval Architecture and Marine Engineering paper in GATE?

The Naval Architecture and Marine Engineering paper in GATE covers topics related to naval architecture, marine engineering, and offshore structures.

Some of the specific topics covered under each of these areas include ship design, marine hydrodynamics, ship resistance and propulsion, ship structures, marine materials, offshore structures, marine power plants, and marine control systems.

Is the Naval Architecture and Marine Engineering paper in GATE difficult?

The difficulty level of the Naval Architecture and Marine Engineering paper in GATE can vary from year to year. However, in general, the paper is considered to be moderate to difficult.

Candidates are advised to thoroughly study the entire syllabus and practice solving previous year question papers to get a better idea of the type of questions asked in the exam.

How can I prepare for the Naval Architecture and Marine Engineering paper in GATE?

To prepare for the Naval Architecture and Marine Engineering paper in GATE, candidates should first ensure that they have a strong understanding of the fundamental concepts and theories related to the field.

They should also practice solving numerical problems and be familiar with the use of relevant software and tools such as CAD software.

Candidates should also solve previous year question papers and take mock tests to assess their preparation level.

What is the marking scheme for the Naval Architecture and Marine Engineering paper in GATE?

The marking scheme for the Naval Architecture and Marine Engineering paper in GATE is different for multiple-choice questions and numerical answer type questions.

For multiple-choice questions, 1 or 2 marks are awarded for each correct answer, while 1/3 or 2/3 marks are deducted for each incorrect answer. For numerical answer type questions, 1 or 2 marks are awarded for each correct answer, with no negative marking for incorrect answers.

Can I use a calculator during the Naval Architecture and Marine Engineering paper in GATE?

Yes, candidates are allowed to use a scientific calculator during the Naval Architecture and Marine Engineering paper in GATE. However, programmable calculators are not allowed.

What is the qualifying marks for the Naval Architecture and Marine Engineering paper in GATE?

The qualifying marks for the Naval Architecture and Marine Engineering paper in GATE varies from year to year.

The qualifying marks are determined based on various factors such as the difficulty level of the paper, the number of candidates appearing for the exam, and the total number of available seats.

The qualifying marks for each year are announced by the GATE organizing committee along with the results.

What are some good books to prepare for the Naval Architecture and Marine Engineering paper in GATE?

Some good books to prepare for the Naval Architecture and Marine Engineering paper in GATE include 'Principles of Naval Architecture' by Edward V. Lewis, 'Marine Engineering' by D. A. Taylor, and 'Offshore Structures: Design, Construction and Maintenance' by Mohamed A. El-Reedy.

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