AP ECET 2023 Syllabus for Metallurgical Engineering

ANNEXURE - I

1. ELEMENTARY PRINCIPLES OF METALLURGY: Introduction to metallurgy – ores
& ore dressing, Methods of ore sampling – Communition – Screening & Classification -
Minerals of commercially important metals - Principles and processes of Pyro, hydro and
electrometallurgy –

2. FUELS, REFRACTORIES AND PYROMETRY: Classification of solid, liquid and
gaseous fuels – Testing and properties of important fuels-Manufacture and characteristics of
Metallurgical Coke - Combustion of fuels – Properties, manufacture and selection of
Refractories, Principles and operation of important pyrometers.

3. METALLURGICAL THERMODYNAMICS: Introduction and applications of
thermodynamics –First Law of thermodynamics- Thermo chemistry - Second Law of
thermodynamics - Ellingham diagrams - Fugacity, activity and equilibrium constant -Phase
equilibria – Solutions

4. PHYSICAL METALLURGY: Structure of metals and Alloys – Solidification -
Diffusion – Binary thermal equilibrium diagrams-Iron-carbon diagram- important non- ferrous
binary alloy systems – Microscopic and macroscopic examination of metals and alloys.

5. HEAT TREATMENT TECHNOLOGY: Heat treatment of plain carbon steels -
Annealing, Normalizing, Hardening and tempering of steels – TTT diagrams - Hardenability
- Grain size, Quenching media. Alloy steels & Effect of alloying elements on plain carbon
steels – Stainless steels, tool steels – Case hardening techniques. Special heat treatment
techniques such as Austempering , Martempering, sub-zero treatment - Heat treatment of Non-
ferrous metals and alloys – Age hardening - Heat Treatment Furnaces and atmospheres.

6. FERROUS EXTRACTIVE METALLURGY: Iron ores and preparation of iron ores -
Blast furnace plant and equipment – blast furnace reactions - irregularities and recent trends -
sponge iron & methods of production – Ferroalloys – types and applications. Steel making by
Bessemer, LD, Kaldo, Open hearth and Electric furnaces –New techniques in steel making –
Vacuum treatment of liquid steel - Ingot defects - Continuous casting.

7. NON-FERROUS EXTRACTIVE METALLURGY: Extraction of copper – Pyro and
hydrometallurgical methods & refining - Aluminum- Extraction, Anode effect, Refining - Zinc
and Lead - Pyro and hydrometallurgical extraction and refining. Extraction of Magnesium by
Dows and Pidgeon processes. Extraction of Titanium by Kroll’s process - Refining by Van
Arkell’s process-Extraction of Thorium and Zirconium.

8. MATERIAL TESTING: Tension test. Stress- strain relationships, neckingphenomenon
– Ductile and brittle fracture – Griffith’s theory of brittle fracture - Hardness tests-principles
and types. Impact testing- Notched bar impact tests. Transition temperature. Fatigue, Stress
cycles, S-N diagram, Factors affecting Fatigue. Creep testing - creep curve, Stress - rupture
test. Non-destructive testing- Principles, methods and applications of liquid penetrant,
Radiography, Ultrasonic Magnetic particle and Eddy current test.

9. MECHANICAL METALLURGY: Plastic deformation of metals – lattice defects –
Slip and Twinning - CRSS –Strengthening mechanisms. Strain hardening - Hot and Cold
working - Recovery, recrystallisation and grain growth. Metal forming processes-Rolling,
Forging, Extrusion & Sheet metal forming processes and defects – Powder metallurgy.
Methods of powder production, Characterization, Compaction, Sintering and applications of
Powder Metallurgy.

10. FOUNDRY TECHNOLOGY: Types of foundries – Basic steps in casting - Patterns:
Types, materials and pattern allowances, Moulding Sands - properties and Testing, Moulding
Processes and equipment: Sand casting, Die casting, Shell moulding, Centrifugal casting,
Investment casting and CO2 process-Cores: Types of Cores and properties, pouring and feeding
of castings. Cast irons – types - Melting of Cast irons - Grey, S.G and Malleable iron. Aluminium,
Copper and Steel Foundry practices. Defects in Castings. Cleaning & Salvage of Castings.

11. WELDING TECHNOLOGY: Basic concepts of Welding - Principles and processes of
various welding techniques such as Oxy-acetylene, Arc welding, Inert gas welding- TIG and
MIG - Special welding processes- Plasma, resistance, electro slag, electron beam, thermit and
Laser. Soldering and brazing– Weldability, factors affecting weldability – Heat affected Zone,
Microstructure – Post weld treatments –Welding defects –Inspection andtesting.

ANNEXURE II
Number of question to be set Unit wise (Total 100)

UNIT NO TOPICS MARKS

ELEMENTARY PRINCIPLES OF
I 06
METALLURGY
FUELS, REFRACTORIES AND
II 05
PYROMETRY

III METALLURGICAL THERMODYNAMICS 08

IV PHYSICAL METALLURGY 11

V HEAT TREATMENT TECHNOLOGY 12

VI FERROUS EXTRACTIVE METALLURGY 12

NON-FERROUS EXTRACTIVE
VII 10
METALLURGY

VIII MATERIAL TESTING 08

IX MECHANICAL METALLURGY 10

X FOUNDRY TECHNOLOGY 10

XI WELDING TECHNOLOGY 08

Total 100

ANNEXURE III
MODEL QUESTIONS FOR METALLURGICAL ENGINEERING

1. Rawmaterial for production of Aluminium is -------
1) Bauxite
2) Cryolite
3) Alumina
4) Gibbsite
2. No of slip systems in FCC structure
1) 12
2) 48
3) 16
4) 03
3. ASTM grain size is measured by------ formula
1) N=2 n-1
2)n=2N-1
3) N=2n-1
4)n=2N-1
4. In proximate analysis of coal is determined.
1) Hydrogen, Nitrogen, Oxygen & Carbon
2) Moisture, ash, Volatile matter & carbon
3) Hydrogen, ash, Oxygen & Carbon
4) Sulphure, Moisture & Carbon.
5. In Iso-thermal process
1) dp=0
2) dt=0
3) dq=0
4) dv=0
6. In LD Process Oxygen is released through the lance at a pressure of .
1) 150-175 psi
2) 100-150 psi
3) 200-250 psi
4) <100 psi