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Questions and Answers
What is measurement in the context of natural sciences and engineering?
What is measurement in the context of natural sciences and engineering?
- It is the quantification of attributes of an object or event
- It is a process of determining the size of a physical quantity
- It does not apply to nominal properties of objects or events (correct)
- It involves multiple levels of scales including nominal, ordinal, interval, and ratio
What is the scope and application of measurement dependent on?
What is the scope and application of measurement dependent on?
- The number of attributes being quantified
- The context and discipline (correct)
- The size of the physical quantity being measured
- The type of measurement system being used
What is the International System of Units (SI) based on?
What is the International System of Units (SI) based on?
- Historical measurement systems
- Local agreements between trading partners
- A mathematical combination of seven base units (correct)
- Nominal, ordinal, interval, and ratio scales
What is the science of measurement pursued in?
What is the science of measurement pursued in?
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What is the purpose of measurement historically?
What is the purpose of measurement historically?
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Study Notes
Measurement in Natural Sciences and Engineering
- Measurement in natural sciences and engineering refers to the process of assigning a numerical value to a physical quantity or property, allowing for its comparison and analysis.
Scope and Application of Measurement
- The scope and application of measurement are dependent on the field of study, the level of precision required, and the tools and techniques available.
International System of Units (SI)
- The International System of Units (SI) is based on seven fundamental physical quantities: length (meter), mass (kilogram), time (second), electric current (ampere), thermodynamic temperature (kelvin), amount of substance (mole), and luminous intensity (candela).
Science of Measurement
- The science of measurement is pursued in the field of metrology, which deals with the theoretical and practical aspects of measurement.
Purpose of Measurement
- Historically, the purpose of measurement has been to facilitate trade, commerce, and scientific inquiry by establishing a common language and standard for comparison and communication.
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