Learning Objectives
After completing this module, you should be able to:
1. Identify dimensionally homogeneous equations.
2. Convert units using unit ratios.
3. Specify two types of measurement uncertainty.
4. Correctly identify the number of significant digits in a measurement.
5. Choose the correct number of significant digits for reporting a result.
Videos
Title: M1V1 – Dimensional Homogeneity and Conversion Using Unit Ratios
Summary: This video lecture contains an overview of dimensions vs. units, dimensional homogeneity, and unit ratios for unit conversion.
Learning Objectives: After watching this lecture, you will know how to maintain consistent dimensionality in engineering analyses.
Transcript: Read the transcript
Slides With Annotations: See the slides
Title: M1V2 –Measurement Uncertainty and Significant Digits
Summary: This video lecture contains an overview of uncertainty in engineering measurements, including accuracy and precision error, and discussion of significant digits of measurements and calculated results.
Learning Objectives: After watching this lecture, you will know how to distinguish between accuracy and precision error, identify the number of significant digits in a measurement and how to report engineering calculations with the correct number of significant digits.
Transcript: Read the transcript
Slides With Annotations: See the slides
Title: M1V3 – Common Conversion Mistakes and How to Avoid Them
Summary: This video lecture contains an overview of common errors in the application of unit ratios and best practices to avoid conversion mistakes.
Learning Objectives: After watching this lecture, you will be aware of conversion errors and have the skills to complete conversion correctly.
Transcript: Read the transcript
Slides With Annotations: See the slides