OTTS=Ottensman Hall EGH=Engineering Hall 1 What does EDM stand for? Atrium OTTS Electronic Distance Measure 2 How does the clean snowmobile team increase the fuel efficiency of their sled? Atrium OTTS Drive line improvements and engine tuning 3 What is a key comportment in making light weight concrete? Atrium OTTS Light aggregate 4 What are 2 advantages and disadvantages of solar panels? outside OTTS advantages: free energy, multipurposeful, low maintenance, etc. disadvantages: high initial cost, converting from dc to ac, takes up a lot of space. 5 How is work design a factor in real world industry? 23 OTTS It allows us to create a job around the worker to have a more efficient work environment. 6 1. What improvements did the industrial engineers suggest in this project? 25 OTTS Acceptable Answers: 1. Reduced waste 2. Improved efficient use of space, materials, and other resources 3. Improved safety 7 How can you make you boat more buoyant? 33 OTTS Increase the surface area 8 What does SSD stand for and what it is the standard used for roadway design? 37 OTTS Stopping Sight Distance 2.5seconds 9 How do you connect the power source to the motor to make it work? 39 OTTS Attach the + and - motor wires to the corresponding + and - ends of the battery. 10 Identify three simple machines that were used. 42 OTTS Answers will vary but will likely include: screws, wheels, axles, wedges, pulleys, inclined planes, and levers. 11 What makes spaghetti tower collapse? 45, 44 OTTS The building structure can affect how well it can stand. Using triangles and diagonals are better than squares. 12 What are some applications of Geotechnical Engineering? 47a OTTS -Predictions of settlement for a structure -Lateral Earth Pressure on retaining walls -Permeability and water flow through soils 13 How can you improve the strength of the bridge? 49 OTTS Use Stronger Material Add additional support Use rigid connections 14 Why was the ping pong ball able to float in the air? 64 OTTS Answer: Bernoulli's Principle 15 What happens to concrete if there is a lot of water? 66 OTTS It loses strength. 16 What causes quicksand? 66 OTTS Water rises through the sand fast enough to separate the particles 17 How does the term gear ratio apply to motors. 101 OTTS 103 OTTS 105 OTTS The RepRap project (short for replicating rapid prototyper) 20 How does the software detect the shapes on the curtain? 106 OTTS By analyzing and extracting them from the image taken by the webcam. 21 What is the "triple bottom line" for recycling? 108 OTTS finances social environmental 22 What types of waste are biodegradable? 108 OTTS The gear ratio affects the speed of that the motor turns. 18 What are the 4 steps in the process your refrigerator uses to keep cold? Refrigeration Cycle: 1. compression 2. heat rejection, to outside 3. decompression 4. heat absorption, from your food 19 What project helped consumer 3D printing really take off? food waste paper products yard waste 23 If the average person generates 4 lbs of trash per day, how many tons of trash per year do they generate? 108 OTTS 0.73 tons per year 24 What is recycling contamination? 108 OTTS Something that can inhibit the ability of something to be recycled, i.e. greasy pizza boxes. 25 What is composting? 108 OTTS Turning food to dirt! 26 Why is erosion a problem? 109 OTTS 112 OTTS The pen emits infrared light which is a different than the visible light emitted from the projector. The Wii remote is an infrared camera that will only capture infrared radiation from its environment; therefore, the Wii remote will only pick up a signal from the infrared stylus. 28 What functional group is in polyvinyl alcohol (PVA)? 122 OTTS alcohol 29 What makes objects do things? 123 OTTS Methods 30 How do u guys feel about our project? 124 OTTS 31 How does the impact force change with the height that the egg is dropped? 126 OTTS It increases! 32 What is projectile motion? 129 OTTS The path of an objects movement through the air when launched at an angle. 33 If the car finished in 2 second, what is its average speed? (mi/hr) 140 OTTS 6.7 [mi/hr] 34 What are MSDS used for? 144 OTTS 1. Answers vary. 2. Most common answers are: Creates desertification like in the Dust Bowl and decreases food production because the nutrient rich soils are missing from the soil over time if they aren't replenished. What is one way to prevent erosion? 1. Answers vary. 2. Common Answers: Plant more trees and vegetation, build rock cliffs and/or rock walls, put up barriers in the ocean, have impervious material around the water to prevent runoff and stay on the trail while hiking. 27 Why does the Nintendo Wii remote only pick up signals from the stylus/pen and not get confused by the projector's image and light? Material Safety Data Sheets (MSDS) are the standard way of communicating how a chemical should be handled, including storage recommendations, reactivity, flammability, and health risks. 35 What function do rudders serve on an aircraft? 115 EGH Rudders allow for turning of the plane. 36 What causes the coil gun to fire the projectile? 207 EGH 37 How does the quadcopter rotate? 229 EGH It changes the speed of the propellers. 38 What is the binary number 01101010 in decimal? 230 EGH 106 39 Does the system recognize you as the same person each time? 230 EGH 40 What causes the train to move on the tracks? 230 EGH 41 What language does each Operating Systems use for their applications? 230 EGH iOS - Objective C Android - Java 42 How much energy does the capacitor bank store? 232 EGH 243 EGH Answer: An induced current creates a strong magnetic field to force the object out. What are some real-world applications (or examples) in which this system could be used? A bunch or 1680 Joules. 43 What properties does the Reuben’s tube demonstrate? (EGH 233) It is a good representation of sinusoidal waves, more specifically sound waves. 44 What is the cross bracing for on the bridge? 127 EGH (Rain) Support lateral loads 45 What do solar panels do? Cubby 1 EGH Produce electricity 46 What is plasma? Cubby 2 EGH Plasma is the 4th state of matter which is comprised of charged particles called ions. 47 What is a microprocessor? A microprocessor is a digital device than can be programmed to make an electrical signal turn-on. Cubby 3 EGH