Understanding Basic Measurements and Units in Engineering Fundamentals

Introduction to fundamental concepts of measurements and instruments in engineering, covering systems of measurement, basic forms of measures such as length, mass, time, capacity, temperature, and value. Learn about basic units of length, conversions in metric and English/Standard systems, and the difference between weight and mass.

• Engineering
• Measurements
• Units
• Systems
• Basic

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1. Basic Measurements/Inst ruments Intro to Fundamentals of Engineering Intro to Fundamentals of Engineering Tools, Instruments and Measures Tools, Instruments and Measures

2. Systems of Measurement OEnglish/Standard OMetric (also known as SI)

3. Most basic forms of Measures Next Week{ O Length Length O Measures the distance of something O Mass Mass O Similar to weight, an object s resistance to a force, like gravity O Time Time O How long something occurs, helping to put history in order and giving a standard to measure and calculate from O Capacity (Volume) Capacity (Volume) O Measures the space a substance occupies or contains O Temperature Temperature O Measure of heat O Value Value O Measure of benefit provided by a good or service { This Week

4. Basic Units of Length O Metric: O Milimeter, centimeter, meter, kilometer O English/Standard: O Inch, foot, yard, mile

5. Basic Conversions METRIC (SI) METRIC (SI) O 10 mm = 1 cm O (milli means one thousandth 1/1000) O 100 cm = 1 m O (centi means one hundreth 1/100) O 1000 m = 1 km O (kilo means one thousand) How long is the black bar in this picture?

6. Basic Conversions English/Standard English/Standard O 12 in = 1 foot O 3 ft = 1 yard O 5,280 ft = 1,760 yd = 1 mile

7. Exercises.. 1. A plank of wood is 1.5 meters long. What length is it in: Centimeters? Millimeters? O O

8. Weight vs. Mass O The weight of an object is based on the pull of the Earth s gravity on that object. O Weight can change gravitational forces are different at different distances from the center of the earth. The weight of an object is less on a high mountain than at sea level. O Mass is the quantity of matter in an object. O Mass is constant everywhere and measured using a balance.

10. Basic Units of Mass O Metric: O Gram (g), milligram (mg), kilogram (kg) 1 kg = 1000 g 1 g = 1000 mg O English/Standard: O Ounce (oz), pound (lb), ton (t) 1 lb = 16 oz 1 t = 2,240 lbs

11. Exercises.. 1. How much does the jar weigh in ounces?: ____________ 2. How much does the barbell weigh in kg?: ____________

12. Basic Units of Time O 60 seconds (s) = 1 minute (min) O 3,600 s = 60 min = 1 hour (hr) O 24 hr = 1 day O 365.242 days = 1 year (yr) How many seconds are in 1 day? How many seconds are in 1 day? ________________ ________________ How many minutes in 1 year? How many minutes in 1 year? _________________ _________________

13. Physical Environmental Measures Concepts O Temperature O Humidity O Light O Amperage, Voltage and Resistance

14. To Do O Read the value output from the portable instruments O Record the value output from the portable instruments