MAP Chapter 8 Measurement Tools. Define measurement?
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Transcript of MAP Chapter 8 Measurement Tools. Define measurement?
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MAPMAP
Chapter 8 Chapter 8
Measurement ToolsMeasurement Tools
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Define measurement?Define measurement?
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MeasurementMeasurement
A standard unit, which objectively describes A standard unit, which objectively describes the physical qualities of an object.the physical qualities of an object.
The process of determining precise The process of determining precise dimensions within standard increments.dimensions within standard increments.
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What are the two measuring What are the two measuring systems that are utilized in the systems that are utilized in the
USA?USA?
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Measuring SystemsMeasuring Systems
US CustomaryUS Customary MetricMetric
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Define the physical qualities that Define the physical qualities that are represented for US are represented for US Customary and Metric?Customary and Metric?
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US Customary and Metric US Customary and Metric physical qualitiesphysical qualities
US CustomaryUS Customary– Measurement for distance Measurement for distance
and area are in inches, feet, and area are in inches, feet, and square inches.and square inches.
– Measurements for weight Measurements for weight and volume are in quarts, and volume are in quarts, cubic inches, and pounds.cubic inches, and pounds.
– Measurement for Measurement for temperature is in Fahrenheit.temperature is in Fahrenheit.
– Measurement for pressure is Measurement for pressure is in pounds per square inch.in pounds per square inch.
MetricMetric– Measurement for distance Measurement for distance
and area are in millimeters, and area are in millimeters, meters, and square meters, and square centimeters.centimeters.
– Measurements for weight Measurements for weight and volume liters, cubic and volume liters, cubic centimeters, and kilograms.centimeters, and kilograms.
– Measurement for Measurement for temperature is in Celsius.temperature is in Celsius.
– Measurement for pressure is Measurement for pressure is in kilograms per square in kilograms per square millimeter.millimeter.
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Describe the four common Describe the four common physical qualities that can be physical qualities that can be
measured?measured?
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Four common physical qualitiesFour common physical qualities
DistanceDistance MassMass TemperatureTemperature TimeTime
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Define distance?Define distance?
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DistanceDistance
The separation between two points.The separation between two points. How far a part two objects or places might How far a part two objects or places might
be.be.
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Define mass?Define mass?
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MassMass
The amount of matter in an object.The amount of matter in an object. Describes the quantity of matter present in an Describes the quantity of matter present in an
object.object. Matter is anything that has mass and can take up Matter is anything that has mass and can take up
space.space. Ex. If two identical looking parts are weighed, one Ex. If two identical looking parts are weighed, one
made of copper and the other made of lead, the made of copper and the other made of lead, the lead unit will weight more. Lead has more matter lead unit will weight more. Lead has more matter per unit of volume than does copper.per unit of volume than does copper.
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Define temperature?Define temperature?
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TemperatureTemperature
How hot or cold a material or object is.How hot or cold a material or object is. The two scales that measure temperature The two scales that measure temperature
are:are:– Fahrenheit: The US Customary scale, which Fahrenheit: The US Customary scale, which
has 180 degrees between the freezing and has 180 degrees between the freezing and boiling points.boiling points.
– Celsius: The Metric scale, where the freezing Celsius: The Metric scale, where the freezing point is 0 and boiling point is 100 degrees.point is 0 and boiling point is 100 degrees.
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Define time?Define time?
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TimeTime
How long an event lasts.How long an event lasts.
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Describe what volume Describe what volume represents?represents?
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VolumeVolume
Volume is a measurement, which is related to Volume is a measurement, which is related to distance.distance.
Volume is measured in cubes or a cubic Volume is measured in cubes or a cubic measurement.measurement.
Examples of volume measurements are:Examples of volume measurements are:– Liters, which is equivalent to 10 cubic centimeters on Liters, which is equivalent to 10 cubic centimeters on
each side.each side.– Cubic inches, which is equal to 1” cubed.Cubic inches, which is equal to 1” cubed.
A measurement of 4A measurement of 4
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Define precision measurement?Define precision measurement?
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Precision MeasurementPrecision Measurement
A type of measurement that is used when A type of measurement that is used when the size is critical to the function of the the size is critical to the function of the device.device.
Accuracy is so important that the Accuracy is so important that the measurement is made to the nearest measurement is made to the nearest hundred of an inch.hundred of an inch.
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What type of industry utilizes What type of industry utilizes precision measurement?precision measurement?
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Precision Measurement and Precision Measurement and IndustryIndustry
Used in the manufacturing of:Used in the manufacturing of:– MetalsMetals
Engine parts, shafts, pulleys, spindles, and gearsEngine parts, shafts, pulleys, spindles, and gears
– CeramicsCeramics Toilet parts, electrical parts, computer parts, and engine partsToilet parts, electrical parts, computer parts, and engine parts
– PlasticsPlastics Vacuum parts, car parts, computer parts, and other electronic Vacuum parts, car parts, computer parts, and other electronic
partsparts
– CompositesComposites Used as a substitute for the above three.Used as a substitute for the above three.
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Define standard measurement?Define standard measurement?
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Standard MeasurementStandard Measurement
A type of measurement used when the size A type of measurement used when the size of the part is not critical to the function of the of the part is not critical to the function of the product.product.
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What type of industry utilizes What type of industry utilizes standard measurement?standard measurement?
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Standard Measurement and Standard Measurement and IndustryIndustry
ConstructionConstruction– Residential construction, concrete, commercial Residential construction, concrete, commercial
construction and industrial constructionconstruction and industrial construction CabinetryCabinetry
– Kitchen cabinets, furniture making, and interior Kitchen cabinets, furniture making, and interior decoratingdecorating
PrintingPrinting– Newspapers, magazines, and booksNewspapers, magazines, and books
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Explain what a direct-reading Explain what a direct-reading measuring tool is?measuring tool is?
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Direct-Reading Measuring ToolsDirect-Reading Measuring Tools
Measuring tools where the operator Measuring tools where the operator manipulates and reads a measurementmanipulates and reads a measurement
The rule is used for linear measurementsThe rule is used for linear measurements The caliper is used for reading diametersThe caliper is used for reading diameters The square is used for reading anglesThe square is used for reading angles
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Explain what an indirect-reading Explain what an indirect-reading measuring tool is?measuring tool is?
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Indirect-Reading Measuring Indirect-Reading Measuring ToolsTools
Measuring devices that utilize sensors and Measuring devices that utilize sensors and computerscomputers
The vernier scale is used for measuring The vernier scale is used for measuring linear dimensionslinear dimensions
The micrometer is used for measuring The micrometer is used for measuring diametersdiameters
The Pythagorean theorem is used to The Pythagorean theorem is used to measure anglesmeasure angles
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Describe the purpose of the Describe the purpose of the following toolsfollowing tools
RuleRule MicrometerMicrometer SquareSquare CaliperCaliper
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Quality ControlQuality Control
The process, which involves measuring, and The process, which involves measuring, and analyzing materials entering the system, analyzing materials entering the system, works in process, and the outputs of the works in process, and the outputs of the systemsystem
This is an ongoing process designed to This is an ongoing process designed to ensure that resources are efficiently used ensure that resources are efficiently used and that customers receive functional and that customers receive functional products.products.