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Questions and Answers
What determines prices in a market economy?
What determines prices in a market economy?
Prices are determined by the balance between supply and demand.
What is market equilibrium?
What is market equilibrium?
Market equilibrium occurs when supply and demand meet, ensuring efficient resource allocation.
State the Law of Demand.
State the Law of Demand.
The Law of Demand states that higher prices lead to lower quantity demanded.
Explain the Law of Supply.
Explain the Law of Supply.
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List two key principles of engineering economics.
List two key principles of engineering economics.
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What are the steps in the decision-making process according to engineering economics?
What are the steps in the decision-making process according to engineering economics?
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What does additional risk in decision-making require?
What does additional risk in decision-making require?
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Name two types of strategic engineering economic decisions.
Name two types of strategic engineering economic decisions.
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What is the primary reason that one Naira today is more valuable than one Naira in the future?
What is the primary reason that one Naira today is more valuable than one Naira in the future?
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List the four main components of financial statements included in a corporation's annual report.
List the four main components of financial statements included in a corporation's annual report.
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What key information does the balance sheet summarize?
What key information does the balance sheet summarize?
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Explain the difference between interest paid and interest earned.
Explain the difference between interest paid and interest earned.
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In the context of interest calculations, what is the formula to determine the interest amount?
In the context of interest calculations, what is the formula to determine the interest amount?
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If an employee borrows N10,000 and repays N10,700 after one year, what is the interest amount?
If an employee borrows N10,000 and repays N10,700 after one year, what is the interest amount?
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How can the interest rate be calculated from the interest and principal?
How can the interest rate be calculated from the interest and principal?
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Why is understanding financial statements crucial for decision-making in engineering?
Why is understanding financial statements crucial for decision-making in engineering?
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What is the primary objective of engineering economics?
What is the primary objective of engineering economics?
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List two key considerations when selecting a project in engineering economics.
List two key considerations when selecting a project in engineering economics.
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What is meant by 'scarcity' in the context of engineering economics?
What is meant by 'scarcity' in the context of engineering economics?
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Explain the concept of Return on Investment (ROI) in engineering economics.
Explain the concept of Return on Investment (ROI) in engineering economics.
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What role does cost-benefit analysis play in environmental projects?
What role does cost-benefit analysis play in environmental projects?
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How do supply and demand influence economic decisions in engineering?
How do supply and demand influence economic decisions in engineering?
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What is 'life-cycle costing' and why is it important in equipment selection?
What is 'life-cycle costing' and why is it important in equipment selection?
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In what ways do value engineering and process improvement contribute to cost reduction?
In what ways do value engineering and process improvement contribute to cost reduction?
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How is the interest calculated for simple interest over multiple years?
How is the interest calculated for simple interest over multiple years?
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If a person invests $10,000 at a 7% annual interest rate, what is the total amount after one year?
If a person invests $10,000 at a 7% annual interest rate, what is the total amount after one year?
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What distinguishes compound interest from simple interest?
What distinguishes compound interest from simple interest?
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Using the formula F = P(1 + Ni), what does each variable represent?
Using the formula F = P(1 + Ni), what does each variable represent?
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What would be the difference in future value if $10,000 is invested at 7% for 3 years using simple interest compared to compound interest?
What would be the difference in future value if $10,000 is invested at 7% for 3 years using simple interest compared to compound interest?
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Study Notes
Engineering Economics Overview
- Engineering economics evaluates the monetary consequences of products, projects, and processes.
- It balances initial costs with future operational expenses.
Key Considerations in Design and Project Selection
- Project Goals and Objectives
- Feasibility and Constraints
- Risk Assessment
- Stakeholder Analysis
- Return on Investment (ROI)
- Design Considerations
- Project Management Approach
- Environmental and Social Impact
Applications of Engineering Economics
- Project Evaluation: Feasibility studies, capital budgeting, risk assessment.
- Equipment Selection: Cost-benefit analysis, life-cycle costing, replacement analysis.
- Cost Reduction: Value engineering, cost control, process improvement.
- Investment Decisions: Capital structure, dividend policy, mergers, and acquisitions.
- Environmental and Sustainability: Cost-benefit analysis of environmental projects, life-cycle assessment, sustainable design.
Basic Concepts of Engineering Economics
- Scarcity: A fundamental economic problem of having limited resources to meet unlimited wants. Engineers must make trade-offs.
- Supply and Demand: Demand represents buyers' desires, supply represents the market offering. Prices are determined by the balance between supply and demand.
- Market Equilibrium: When supply and demand meet, the economy is in balance, resulting in efficient resource allocation without surplus or shortage.
- Law of Demand: Higher prices result in lower quantities demanded, assuming all other factors remain the same.
- Law of Supply: Higher prices encourage producers to supply more, increasing revenue potentially.
Decision-Making Process
- Recognize the decision problem.
- Define the goals or objectives.
- Gather all relevant information.
- Identify a set of feasible decision alternatives.
- Select the decision criteria.
- Select the best alternative.
Types of Strategic Engineering Economic Decisions
- Service or Quality Improvement
- New Products or Product Expansion
- Equipment and Process Selection
- Cost Reduction
- Equipment Replacement
Fundamental Principles of Engineering Economics
- Principle 1: A nearby Naira is worth more than a distant Naira (the time value of money).
- Principle 2: Focus on the differences between alternatives.
- Principle 3: Ensure marginal revenue exceeds marginal cost.
- Principle 4: Take additional risk only if the expected return is adequate.
Importance of Time Value of Money
- The present Naira has a higher value than a future Naira due to earning potential. This guides economic decision-making in engineering.
Understanding Financial Statements
- Annual reports contain financial statements, including the balance sheet, the income statement, the statement of changes in financial position, and the auditors' report.
Components of Financial Statements
- Balance Sheet: Summarizes the financial position of the corporation by listing assets, liabilities, and equity.
- Income Statement: Shows revenues and expenses during a specific period, along with net income and retained earnings.
- Cash Flow Statement: Provides a summary of all cash inflows and outflows of a company.
Interest Rate and Rate of Return
- Interest is paid on borrowed funds and earned on investments.
- It's a crucial concept for calculating the time value of money, used extensively in engineering
- Interest Rate = amount owed now - principal
- Interest rate (%) = Interest * 100/principal
Worked Example (Illustrative)
- Example of calculating interest paid and rate.
Definition of Terms (Financial Calculations)
- P: Present value (value at time zero, or "today").
- F: Future value (value at a future time)
- A: Series of equal payments (often periodic).
- n: Number of interest periods (e.g., years).
- i: Interest rate per period.
- t: Stated time period.
Simple Interest
- Interest is calculated only on the initial principal borrowed or invested.
- Calculation: F = P (1 + (n * i))
Compound Interest
- Interest is calculated on any accrued interest (or previous interest).
- Calculation: F = P(1+i)**n
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Description
This quiz covers the fundamentals of engineering economics, focusing on the monetary implications of various projects, products, and processes. It explores key considerations in design and project selection as well as applications in project evaluation, equipment selection, and cost reduction strategies.