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Engineering Economics

Economic decision-making for engineers — time value of money, equivalence analysis, rate of return, benefit-cost analysis, depreciation, and inflation. One of the most heavily tested FE exam sections.

5 modules·52 concepts·49 practice problems·~25 hours

Prerequisites

Exam Relevance

FE Exams8 exams
FE General6% of exam
FE Mechanical4% of exam
FE Civil4% of exam
FE Electrical4% of exam
FE Chemical4% of exam
FE Environmental4% of exam
FE Industrial9% of exam
FE Computer4% of exam
University Exams1 exam
University Engineering Economics100% of exam

Module Breakdown

1.Time Value of Money

13 concepts·21 problems

Understand why money today differs from money in the future. Compute compound interest, convert between nominal and effective rates, and evaluate uniform and gradient cash-flow series.

13 concepts covered
Time Value Of MoneyCompound InterestCompounding PeriodsContinuous CompoundingNominal Interest RateEffective Interest RateMarrAnnuityUniform SeriesGradient SeriesP A FactorA P FactorSinking Fund Factor

2.Present Worth & Annual Worth

14 concepts·28 problems

Compare engineering alternatives using present worth, future worth, and annual worth methods. Evaluate capital recovery, capitalized cost, and perpetuities for mutually exclusive projects.

14 concepts covered
Present WorthPresent Worth AnalysisFuture WorthAnnual WorthAnnual CostEquivalent Annual WorthEquivalent Annual CostCapital RecoveryCapitalized CostInfinite LifePerpetuityEconomic ComparisonMutually Exclusive AlternativesEconomic Analysis

3.Rate of Return

5 concepts·5 problems

Calculate internal rate of return for single projects and use incremental IRR to choose between alternatives. Understand when IRR and present worth criteria agree or diverge.

5 concepts covered
Internal Rate Of ReturnIrrRate Of ReturnIncremental IrrDiscounting

4.Benefit-Cost Analysis

7 concepts·7 problems

Evaluate public and private projects using benefit-cost ratios, break-even analysis, payback periods, and life-cycle costing. Account for disbenefits and discounted cash flows.

7 concepts covered
Benefit Cost RatioDisbenefitsPublic Project AnalysisBreak Even AnalysisPayback PeriodDiscounted PaybackLife Cycle Cost

5.Depreciation & Taxes

13 concepts·12 problems

Apply straight-line, declining-balance, and MACRS depreciation methods. Track book value and salvage value over an asset's life and understand how depreciation affects after-tax analysis.

13 concepts covered
DepreciationStraight Line DepreciationDeclining Balance DepreciationDouble Declining BalanceAccelerated DepreciationMacrs DepreciationModified Accelerated Cost RecoverySinking Fund DepreciationAnnual DepreciationBook ValueSalvage ValueTax DepreciationPeriodic Replacement

Reference Textbooks

  • Blank & Tarquin — Engineering Economy
  • Park — Contemporary Engineering Economics

Ready to practice Eng Econ?

49 practice problems with step-by-step solutions. Free, no credit card.