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| A measurement always has some degree of uncertainty. The uncertainty depends on the _________ of the measuring device. |
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| Are terms used to describe the reliability of a measurement |
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| refers to how well a measurement agrees to the accepted standard value |
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| refers to how well repeated measurements agree with each other |
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| These are obvious errors that occur during an experiment |
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| Causes data to be "off" by the same amount each time for reasons unknown |
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| Causes data to be "off" by a random amount each time. Can be due to personal fluctuations, electronic fluctuations, material fluctuations, etc. |
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| Give us an indication of the uncertainty in a particular measurement, a reliably known digit. |
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| Human error. The spacecraft software was designed to use SI units (N) while ground control entered U.S. Customary units (lbf) |
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| On September 23, 1999 NASA lost contact with the spacecraft. The spacecraft disintegrated as it entered the Martian atmosphere at too low an altitude Mission failure was due to _____________ |
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| Vernier Caliper and Micrometer |
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| Common tools used to measure distance or length in engineering applications include: |
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| To measure very __________ we use specialized equipment, microscopes, profilometers, ellipsometers, etc. |
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| ___________ measures a change in the polarized light to determine the thickness of thin films |
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| To measure __________ distances we use electronic distance instruments (EDMI), Global Positioning Systems (GPS) |
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Vector
Displacement, Velocity, Acceleration, Force, Momentum |
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| quantity that has both magnitude and direction. Examples.... |
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Scalar
Distance, Speed, Volume, Area, Mass, Temp. |
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quantity that just has a magnitude.
Examples.... |
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| refers to the speed and direction of the car |
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| Even if we maintained the same speed our velocity is changing because our ___________ |
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| is a measure of how velocity changes with respect to time |
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| _____ is an objects resistance to acceleration |
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| The NSPE Code of Ethics requires engineers to be infallible T/F? |
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| Accreditation Board of Engineering and Technology (ABET) |
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| The following organization is responsible for accrediting engineering education |
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| Professional Engineering Society |
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- American Society of Mechanical Engineers (ASME)
- Institute of Electrical and Electronics Engineers (IEEE)
- Institute of Industrial Engineers (IIE)
- Engineering in Medicine and Biology (EMB - IEEE)
- Society of Automotive Engineers (SAE)
- Surface Mount Technology Association (SMTA)
- American Society of Heating, Refrigeration, and Air-conditioning Engineers (ASHRAE)
- Association of Computing Machinery (ACM)
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| Professional Engineering Group Societies |
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- National Society of Black Engineers (NSBE)
- Society of Hispanic Professional Engineers (SHPE)
- Society of Women Engineers (SWE)
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| Engineering Honor Societies |
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Tau Beta Pi - National Engineering
Alpha Pi Mu - Industrial Engineering
Eta Kappa Nu - National Electrical Engineering
Pi Tau Sigma - National Mechanical Engineering
Upsilon Pi Epsilon - National Computer Science |
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| Engineering Social Societies |
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Theta Tau - Nat. Engineering Co-Ed Frat.
Alpha Omega Epsilon - Nat. Engineering Sor. |
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| Engineering Service Society |
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| Engineers Without Borders (EWB) |
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| All engineers are required to pass the Fundamentals of Engineering (FE) exam to work as an engineer in the U.S. T/F? |
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| Technical project management and executive type functions |
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| The primary job function for most engineers in the U.S. includes __________ and ________. |
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| __________ is the largest engineering discipline. |
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