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In context to the objectives of engineering economics pick up the correct statement from the following. (i) It is collection of mathematical techniques that satisfies economic comparison of different alternatives. (ii) It is a decision assistance tool by which one method will be chosen as the most economically one. (iii) It requires understanding of basic terminology and fundamental concepts of economy.
(i) and (ii)
(i) and (iii)
(ii) and (iii)
(i), (ii) and (iii)
(i), (ii) and (iii)
Engineering economics is a specialized branch of economics that integrates engineering design and analysis with systematic economic evaluation. It provides the necessary quantitative framework to compare different technological alternatives based on their capital requirements, operational costs, and lifecycle benefits to ensure optimal financial resource utilization.
Engineering economics is a specialized branch of economics that integrates engineering design and analysis with systematic economic evaluation. It provides the necessary quantitative framework to compare different technological alternatives based on their capital requirements, operational costs, and lifecycle benefits to ensure optimal financial resource utilization.
PV=(1+i)nFVтАЛ тАФ Present Value calculation for discounting future cash flows
NPV=тИСt=0nтАЛ(1+i)tRtтАЛтАЛ тАФ Net Present Value of an investment
The principle relies on the Time Value of Money (TVM) and the systematic application of cash flow analysis. By converting all future costs and benefits to a Present Value (PV) or Annual Equivalent (AE), an engineer can objectively rank alternatives using metrics like Net Present Value (NPV), Internal Rate of Return (IRR), or Benefit-Cost Ratio (BCR).
It bridges the gap between technical design and financial viability.
Mathematical models like compound interest and depreciation are central to the field.
Decision making is based on long-term value rather than just initial capital investment.
Fundamental economic literacy is required for risk assessment and sensitivity analysis.
Reduces financial risk in capital-intensive projects
Provides a standardized logic for project selection
Predicting future interest rates and market trends involves uncertainty
Social and environmental impacts are sometimes difficult to quantify monetarily
Capital Budgeting
Equipment Replacement Analysis
Project Feasibility Studies
Engineering economics is vital for ensuring that engineering solutions are not only technically sound but also economically efficient.
Statement (i) reflects the analytical aspect, (ii) reflects the outcome/managerial aspect, and (iii) defines the conceptual requirement.
D is correct тАФ All three statements represent the core pillars: mathematical rigor (i), managerial decision-making (ii), and foundational knowledge (iii) essential for engineering economics.
Focus on the relationship between IRR and the discount rate; if IRR>MARR (Minimum Attractive Rate of Return), the project is typically considered economically viable.
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