PEC EPE Metallurgical study plan

Map the three extractive routes (pyro, hydro, electro) onto a single flowsheet from ore to refined metal, labeling the unit operation at each step

Derive and apply the Ellingham diagram to predict the reducing agent needed for a given oxide at a stated temperature

Calculate the equilibrium constant and Gibbs free energy for a roasting or reduction reaction from tabulated standard data

Solve two mass-balance problems on a copper matte smelting charge, reporting matte grade and slag mass

Compute leaching recovery from a mass balance given feed grade, residue grade, and pulp density

Apply the Nernst equation to predict the cell voltage and theoretical energy demand for electrowinning of a named metal

Derive the rate expression for a shrinking-core particle under chemical control versus ash-diffusion control and state which regime dominates for fine versus coarse particles

Explain the role of activity coefficients in converting concentration to effective reactant activity in a hydrometallurgical liquor

Draw the iron-carbon diagram from memory and locate the eutectoid, eutectic, and peritectic points with their temperatures and compositions

Trace the blast furnace from burden to hot metal, naming the key reactions in the stack, bosh, and hearth

Calculate the carbon, oxygen, and slag-forming additions for a basic oxygen furnace heat given a target tap chemistry

Compare the refining routes for electric arc furnace and basic oxygen steelmaking on scrap tolerance, nitrogen pickup, and residual control

Construct a TTT and CCT diagram for a plain carbon steel and predict the microstructure for three named cooling paths

Apply the lever rule to two-phase regions of a binary eutectic system and check the result against the phase boundary

Distinguish homogeneous versus heterogeneous nucleation and explain grain refinement by inoculants in a cast alloy

Explain the mechanism and practical consequence of precipitation hardening in an aluminum alloy series

Interpret a tensile curve to extract yield strength, ultimate strength, elongation, and toughness, and explain the effect of strain rate

Relate hardness scales to tensile strength and state where the conversion is unreliable

Classify the eight corrosion forms and match each to a control measure or alloy selection strategy

Diagnose a supplied failure narrative (no images) by identifying the likely mechanism, the evidence that supports it, and the evidence that would refute it

Select and justify a comminution circuit for a stated ore hardness and target liberation size

Calculate the circulating load and recovery of a closed grinding-classification circuit from a size-distribution table

Compare gravity, magnetic, and froth flotation separation on the basis of the property exploited and the particle size window

Explain how welding heat input and cooling rate control heat-affected-zone microstructure and cracking risk in a named steel

Apply a professional code of ethics to three short scenarios involving data integrity, conflict of interest, and public safety disclosure, citing the relevant principle

Identify the safety hazards in a molten metal handling operation and the hierarchy of controls that applies to each

Compute net present value and payback period for a plant upgrade and state the recommendation

Explain how a control chart distinguishes common from special cause variation and what action each demands

Complete a timed 60-question mixed mock exam under exam conditions and score it by domain

Re-derive the five formulas you missed most often until each is reproduced correctly twice in a row

Build a one-page formula and constants sheet covering thermodynamics, kinetics, mass balance, and mechanical testing

Identify the two weakest domains from the mock and drill 15 targeted questions in each