# Shared Flashcard Set

## Details

Intro Engineering Midterm
n/a
36
Engineering
02/29/2012

Term
 Precision
Definition
 A measurement always has some degree of uncertainty. The uncertainty depends on the _________ of the measuring device.
Term
 Precision and accuracy
Definition
 Are terms used to describe the reliability of a measurement
Term
 Accuracy
Definition
 refers to how well a measurement agrees to the accepted standard value
Term
 Precision
Definition
 refers to how well repeated measurements agree with each other
Term
 Gross Errors
Definition
 These are obvious errors that occur during an experiment
Term
 Systematic Errors
Definition
 Causes data to be "off" by the same amount each time for reasons unknown
Term
 Random Errors
Definition
 Causes data to be "off" by a random amount each time. Can be due to personal fluctuations, electronic fluctuations, material fluctuations, etc.
Term
 Significant figures
Definition
 Give us an indication of the uncertainty in a particular measurement, a reliably known digit.
Term
 Human error. The spacecraft software was designed to use SI units (N) while ground control entered U.S. Customary units (lbf)
Definition
 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 _____________
Term
 (x,y,z)
Definition
 Cartesian system
Term
 (r,Θ,z)
Definition
Term
 (r,Θ,Φ)
Definition
 Spherical system
Term
 Vernier Caliper and Micrometer
Definition
 Common tools used to measure distance or length in engineering applications include:
Term
 small scale distances
Definition
 To measure very __________ we use specialized equipment, microscopes, profilometers, ellipsometers, etc.
Term
 Ellipsometry
Definition
 ___________ measures a change in the polarized light to determine the thickness of thin films
Term
 large scale distances
Definition
 To measure __________ distances we use electronic distance instruments (EDMI), Global Positioning Systems (GPS)
Term
 Vector Displacement, Velocity, Acceleration, Force, Momentum
Definition
 quantity that has both magnitude and direction. Examples....
Term
 Scalar Distance, Speed, Volume, Area, Mass, Temp.
Definition
 quantity that just has a magnitude. Examples....
Term
 Distance traveled time
Definition
 Average speed =
Term
 Instantaneous Velocity
Definition
 refers to the speed and direction of the car
Term
 direction is changing
Definition
 Even if we maintained the same speed our velocity is changing because our ___________
Term
 Acceleration
Definition
 is a measure of how velocity changes with respect to time
Term
 change in velocity time
Definition
 Average acceleration =
Term
 Mass
Definition
 _____ is an objects resistance to acceleration
Term
 False
Definition
 The NSPE Code of Ethics requires engineers to be infallible T/F?
Term
 Accreditation Board of Engineering and Technology (ABET)
Definition
 The following organization is responsible for accrediting engineering education
Term
 Professional Engineering Society
Definition
 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)
Term
 Professional Engineering Group Societies
Definition
 National Society of Black Engineers (NSBE) Society of Hispanic Professional Engineers (SHPE) Society of Women Engineers (SWE)
Term
 Engineering Honor Societies
Definition
 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
Term
 Engineering Social Societies
Definition
 Theta Tau - Nat. Engineering Co-Ed Frat. Alpha Omega Epsilon - Nat. Engineering Sor.
Term
 Engineering Service Society
Definition
 Engineers Without Borders (EWB)
Term
 False
Definition
 All engineers are required to pass the Fundamentals of Engineering (FE) exam to work as an engineer in the U.S. T/F?
Term
 Technical project management and executive type functions
Definition
 The primary job function for most engineers in the U.S. includes __________ and ________.
Term
 Electrical
Definition
 __________ is the largest engineering discipline.
Term
 1 slug • ft     s2
Definition
 1 lbf =
Term
 1  N  =  1  kg             m2         m · s2
Definition
 1 Pa =
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