GATE NM Syllabus 2027: Official PDF, Exam Pattern & Section-wise Topics

GATE NM Exam Pattern 2027

Particulars

Details

Exam Name

GATE 2027

Organising Institute

IIT Madras

Paper Code

NM

Paper Name

Naval Architecture and Marine Engineering

Total Marks

100

General Aptitude

15 Marks

Subject Marks

85 Marks

Examination Mode

Computer-Based Test (CBT)

Duration

3 Hours

Question Types

MCQ, MSQ and NAT

GATE NM Syllabus 2027 Section-Wise Topics

Section

Topics Covered

Section 1

Engineering Mathematics

Section 2

Applied Mechanics and Structures

Section 3

Fluid Mechanics and Marine Hydrodynamics

Section 4

Naval Architecture and Ocean Engineering

Section 5

Thermodynamics and Marine Engineering

Detailed GATE NM Syllabus 2027

Section

Major Topics Covered

Section 1: Engineering Mathematics

Determinants and matrices, systems of linear equations, eigenvalues and eigenvectors, functions, gradient, divergence, curl, chain rule, partial and directional derivatives, definite and indefinite integrals, line, surface and volume integrals, Stokes', Gauss' and Green's theorems, ordinary and partial differential equations, separation of variables, Laplace transforms, complex variables, Fourier series, numerical methods, probability and statistics.

Section 2: Applied Mechanics and Structures

Engineering Mechanics: Free-body diagrams, equilibrium, trusses, frames, virtual work, particle and rigid body dynamics, impulse, momentum and energy methods.

Mechanics of Materials: Stress and strain, elastic constants, Mohr's circle, shear force and bending moment diagrams, torsion, Euler's columns, failure theories, material testing.

Vibrations: Free and forced vibrations, damped and undamped systems, single and multi-degree-of-freedom systems.

Machine Design: Static and dynamic loading, shafts, gears, rolling and sliding bearings, bolted, riveted and welded joints.

Section 3: Fluid Mechanics and Marine Hydrodynamics

Fluid properties, fluid statics, floating body stability, conservation of mass, momentum and energy, dimensional analysis, dynamic similarity, Bernoulli's equation, Euler's equation, Navier-Stokes equations, viscous and turbulent flow, boundary layer theory, flow through pipes, lift and drag, airfoils, cavitation, vortex motion, Kelvin's theorem, potential flow theory, hydrodynamic forces, D'Alembert's paradox, added mass, slender body theory, hydrodynamic model testing, scaling laws, surface waves, lifting surfaces and wave-body interactions.

Section 4: Naval Architecture and Ocean Engineering

Ship geometry, buoyancy, flotation, hydrostatics, stability and trim, inclining experiment, free surface effect, damage stability, floodable length, docking stability, ship resistance, propulsion, propeller theories, cavitation, manoeuvring, rudder hydrodynamics, ship motions, seakeeping, strip theory, BEM, FEM, ship structures, hull strength, fatigue, fracture, structural vibrations, physical oceanography, offshore platforms, mooring systems, ports and harbour engineering, dredging and navigation.

Section 5: Thermodynamics and Marine Engineering

Thermodynamics: First and second laws, entropy, Carnot cycle, gas power cycles, Otto, Diesel, Brayton, Dual and Joule cycles, refrigeration, air conditioning.

Marine Diesel Engines: Two- and four-stroke engines, turbocharging, lubrication, cooling systems, fuel systems, waste heat recovery, MARPOL regulations, EEDI and SEEMP.

Marine Steam & Gas Turbines: Steam turbines, gas turbines, nuclear propulsion and electrical propulsion.

Marine Boilers: Fire tube, water tube, package, composite and exhaust gas boilers, feed water treatment.

Engine Dynamics: Shaft vibrations, critical speed, engine rating, automation and maintenance.

Marine Auxiliary Machinery & Systems: Pumps, piping systems, compressors, centrifuges, purifiers, ballast and bilge systems, sewage treatment, oily water separators, HVAC, cargo handling equipment, steering gear and propulsion systems.