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ENGE 1024 Final
| Question | Answer |
|---|---|
| Discuss the Intel Chip case. | The chips were defective and could not do simple mathematics. At first, Intel denied the problem, but then replaced the defective chips. |
| Discuss the Denver International Airport incident. | Malfunctioning baggage system. Weakend concrete (dilute to save money, increase profit) |
| Discuss the Intel Chip case. | The chips were defective and could not do simple mathematics. At first, Intel denied the problem, but then replaced the defective chips. |
| Discuss the Denver International Airport incident. | Malfunctioning baggage system. Weakened concrete (dilute to save money, increase profit) |
| Discuss the Paradyne computer case. | Competitive Bidding. The software was not tested and no on-site visits were performed. |
| What is required of Professions? | Skills, judgment, discretion, extensive formal education, set standards, public good |
| What is the Code of Ethics | 1) Framework for ethical judement for a professional. 2) Not a legal document. 3) Doesn't create new moral/ethical principles. 4) Guide of how to act in certain situations. 5) Safety of the public (paramount) 6) Loyal to client |
| Describe the IEEE Code. | Short, general |
| Describe the NSPE Code. | Long, detailed |
| Which is greater: Saftey of the public or duty to the your employer? | Safety of the public |
| What are the 4 ethical theories? | Utilitariansim, Duty Ethics, Rights Ethics, Virtue Ethics |
| What is Utilitariansim? | Doing what is best for society. Act (individual actions), Rule (moral rules), John Stuart Mill |
| What is Cost-Benefit Analysis? | Part of utilitarianism. See if benefits>costs. Hard to assess because of things with no dollar value (death) |
| What is Duty Ethics? | Other people's rights, respect for others, Immanuel Kant |
| What is Rights Ethics? | Your rights, John Locke (life, liberty, property) |
| What is Virtue Ethics? | Being the best we can be (honest, trustworthy) |
| What is Corporate Morality? | Must respect rights of individuals and should exhibit the same virtues that we expect of a person. |
| Discuss the Disaster at Bhopal. | Leak in the chemical storage tanks. Warning alarm was improperly set. 2,000 died. |
| Discuss the Aberdeen Three. | Inspections indicate safety hazards. Flammable substances left in open containers. 3 people indited for dumping of hazardous wastes. |
| Teamwork doesn't work if a member... | Doesn't do a good job, doesn't contribute, doesn't complete assignments on time, tries to do everything. A team must share the work equally. |
| What is the Front Panel? | Displays controls, user interface |
| What is the Block Diagram? | Holds programming elements that are wired together ("behind the scenes") |
| What is a Project in LabVIEW? | Collection of related program elements that are intended to work together |
| What is the Controls Palette? | Gives access to objects (controls, indicators, knobs, graphs) |
| Describe the following Mechanical Actions: "When Pressed", "When Released", "Until Released" | "When Pressed": action occurs when the button is first pressed. "When Released": action occurs when the button is first released. "Until Released": action occurs until the button is released. |
| Discuss Functions in LabVIEW. | LabVIEW is based on functions (not math operators), placed on block diagrams, terminals for inputs and outputs. |
| What is a Control? | Used to set a value |
| What is an Indicator? | Used to display a value |
| What is Dataflow Programming? | A node on a block diagram executes as soon as all of the inputs have values** |
| What is a Double-Precision data type? | DBL, decimal, orange |
| What is a 32-bit Signed Integer data type? | I32, integer, blue |
| What is a Boolean data type? | TF, true/false, green |
| What is a String data type? | abc, words, pink |
| What is the equation for Voltage (with respect to current and resistance)? | V = IR |
| What does the Random Number Constant return? | A number between 0 and 1 |
| What are some tools for Debugging? | Broken Wires, Broken Run Button, Execution Highlighting (watch flow through block diagram), Single-Step (run step-by-step), Probe (test wires), Breakpoints (stop program at certain point) |
| Describe a While Loop. | Continues until stop condition is met. Default: Stop if True |
| Describe a For Loop. | Continues for a defined amount of time. i: iteration terminal N: count terminal, number of times the loop runs |
| Describe the Wait Function. | Used to slow iterations (in ms) |
| Describe Tunnels in LabVIEW. | Get information across a loop boundary. |
| Describe Shift Registers. | Memory; used when the current calculation needs to include the previous calculation. |
| Describe Case Structures. | Allow certain actions to take place depending on a variable's value. |
| Describe a Property Node. | On the block diagram; can be used to determine or set an object's value |
| Describe Sequence Structure. | When something must be done in sequential order |
| Describe Data Aquisition (DAQ) in LabVIEW. | The process of automatically importing data from one or more sensors or transducers directly into a computer |
| What is a Sensor? | Device that responds to a physical change and outputs an electrical signal. |
| What is a Transducer? | Device that converts energy from one form to another. |
| What is a Thermocoupler? | A sensor that generates an electromotive force (emf) due to dissimilar metal joined at the junction. |
| What are Resistance Temperature Devices (RTDs)? | Have a varying resistance that depends on the temperature of the device's sensor. |
| What is Signal Conditioning? | May be required to adjust the signal type and range of the oupt signal to align with the requirements of the DAQ. (Use because of noisy signal, amplification/offset) |
| What are the 3 things that a computer using DAQ must know? | 1) what signals to measure. 2) how often to take readings 3) how many readings to collect (time) |
| What is a waveform? | Collected data in DAQ |
| What are some common measurements of sensors? | Temperature, force, pressure, position, light, sound |
| What is aliasing in DAQ? | Misleading data when sampling at too low of a frequency |
| What is the single most important challenge facing humanity today? | Energy |
| What are the top 5 world problems? | 1) Energy, 2) Water, 3) Food, 4) Environment, 5) Poverty |
| What are the second and third hypotheses referring to Nanotechnology and Energy? | 2) If we solve the energy problem, we will be more likely to solve the other problems. 3) no matter what you think should be on the list, energy should always be #1 because it most benefits the others |
| How much energy is needed to completely solve the world's energy needs? | 20 terawatts -- but we can't find it cheaply |
| What is an Interconnected Electrical Energy Grid? | massive long-distance electrical power transmission, local shortage of electrical power with real-time pricing |
| _______ could help form the "Armchair Quantum Wire' and play a big role in the electric transmission system. | Nanotubes, also called "buckytubes" |
| What is Design? | A type of probem-solving where the problems do not usually have a "correct" solution |
| What is the Engineering Design Method? | 1) Define problem, 2) Gather information, 3) Generate multiple solution, 4) Analyze and Select a solution, 5) Test and implement solution |
| What is Cheating? | Giving/recieving unauthorized aid/advantages |
| What is Plagarism? | Copying of language/structure/programming/ computer code/ideas/thoughts |
| What is Falsification? | The statement of any untruth (ex: forgery, tampering with record, changing an exam grade) |
| What happens when you are given a second offense of the Honor Code? | Permanent dismissal from the university |
| What is the Engineering Process? | Idea --> Product/Service --> Society |
| What is ABET Accreditation? | 28 professional engineering societies (non-government), Voluntary, Accrediation granted/denied (not ranked), Accrediation granted for maximum of 6 years |
| What are the requirements of being a Professional Engineer? | Graduate from ABET school, 4 years of engineering experience, 16 hour written exam (Fundamentals of Engineering, Principles&Practice), Code of ethics (self imposed) |
| What are common team problems? | Absence/not doing work, breakdown in communication |
| What is a Multiview Sketch? | Represent series of projection (2 of 3 projections shown), Orthographic |
| What is a Pictoral Sketch? | Single view (all 3 projections), no hidden lines, Isometric |
| What is the Precedence of Lines? | Visible, Hidden, Center, Dimension, Construction |
| What is Flowcharting? | "Picture" of algorithm, Prepared according to rules/procedures, flow from "top to bottom" and "left to right" |
| What are the flowcharting symbols? | Rectangle (processing), Oval (terminators), Parallelogram (input/output), Diamond (decision: if statements), Hexagon (loop: while), Small Circle (node), Large Circle (on-page connector), Upside down house (off-page connector) |
| Discuss LEED Certification. | Sustainability in buildings. (Washington National Baseball Stadium, Blacksburg Motor Company) |
| What is the Order of Magnitude? | Power of ten when a value is written in scientific notation |
| What is the Independent Variable? | What you change (x-axis) |
| What is the Dependent Variable? | What is being measured (y-axis) |
| Describe Linear Functions. | Common/Linear: y=mx+b Straight line on rectilinear graph paper. |
| Describe Exponential Functions. | Common: y=be^mx Linear: lny=mx+lnb Straight line on semi-logy |
| Describe Power Functions. | Common:y=bx^m Linear: logy=m(logx)+logb Straight line on log-log paper |
| 3 Dilemmas to Ethical Problems. | The lLaw, personal, professional |
| Discuss CML: "Disposable" Cameras. | 77-90% mass remanufacturable, components reused up to 10 times, remained recyclable |
| What is the Coefficient of Determination? | R-Squared: percent of the line that can be explained by the data |
| What is Pasteurization? | Product heated for certain amount of time to reduce or inactive germs |
| What affects heat transfer in an exchanger? | Heat exchanger material, type of product, temperature, time |
| What is Power Aware Computing? | Large data centers will soon require their own power plant. Design hardware/software that must conserve power when possible |
| Describe the NSPE Code of Ethics? | Safety of Public**, perform servies in their area of expertise, give true public statements, loyal to client/employer, not be deceptive, honorable/responsible/ethical/lawful |
| What do Clean Coal Technologies do? | Caputer Co2 from power plants and store/lessen greenhouse gas emissions |
| What is a Breadboard? | Many sockets where you insert leads of wires to build circuts, sockets in column connected together, buses (horizontal) connected |
| What is a Voltage Regulator? | Convert from 9 volts to 5 volts |
| What is a Multimeter? | A voltage measuring tool, positive/negative probes |
| What is a Motor Driver Integrated Circuit (IC)? | Send many wires in; 16 pins |
| What is a Diode? | Carries electricity in 1 direction, keeps from short circuiting |
| What is a computer program? | Set of instructions that a computer understands |
| What is the Functions and Structures Palette? | Find arithmetic functions, comparisons, structures |
| What is Dataflow Programming? | Node executes when data is available to ALL input terminals. |
| What is the Law (ethics)? | Upheld by government, black/white |
| What are professional ethics? | Guidelines that professional societies expect members to uphold |
| What are Personal ethics? | Necessary to interpret professional ethics (utilitarianism, duty/rights/virtue ethics) |
| Why does a while loop run at least once? | "Post"-while, condition is checked after the loop is processed |
| What equations are used with gears? | v=rw, w=theta/t, T1/T2=r1/r2=w2/w1 |
| What is Precision? | Repeatability |
| What is Accuracy? | Close to real answer |
| Why did we use DAQ in workshop? | Collect data on water quality and temperature parameters |
| Stroubles Creek is a sub-watershed of what larger watershed? | New River |
| What is the Total Maximum Daily Load (TMDL) of a stream? | Established to monitor progress and stream health |
| What are commonly monitored water quality parameters? | pH, dissolved oxygen, temeprature, conductivity, phosphorus, nitrogen, benthic organisms, pathogens |
| What is an Impaired Stream? | One which exceeds what is considered to be a healthy level of sediments/nutrients |
| What is a coercion dot? | Placed on the terminal where numerical conversion takes place |
| What is Nanotechnology? | The study of the fundamental principles of molecules and structures with at least one dimension roughtly between 1 and 100 nm |
| What does "nano" mean? | One billionth |
| What is the measurement of an atom's diameter? | 10^-1 m, 10^-10 m |
| What are Carbon Nanotubes? | Allotropes of carbon, strong/unique properites, conductors |
| What is Chirality? | "Twist" of the nanotube |
| What is a Chiral Vector? | Idenfies the wrapping angle (angle at which lattice is wrapped) |
| What is Armchair Chirality? | m=n, theta=0 |
| What is Zig-Zag Chirality? | m=0, theta=30 |
| What is Chiral Chirality? | theta is between 0 and 30 |
| What is the Elastic Modulus (E)? | Describes the elasticity of a nanotube High E is siff, not stretchable |
| What is the most important force at nanoscale? | Intermolecular attraction |
| What is the domain of nanotechnology? | 1-100 nm |
| Why did CBS use Lockheed Martin? | To help with technology as part of their pilot for NCIS:LA |
| What concepts did the Boing 787 Dreamliner illustrate? | Globalization: parts from all over the world |
| What Hardware and Software were incorporated into the motion detector activity in workshop? | Mechatronic (hardware), LabVIEW (software) |
| What is a Sonic Sensor? | Uses sound waves to approximate the distance to nearest object (emits clicks, used in radar/sonar) |
| What is Radar? | Uses electromagnetic waves instead of sound waves |
| What is Sonar? | Uses sounds that can be heard, but is usually used underwater |
Created by:
sloane1026
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