IOT POLY ENGINEERING 3-1 4 JAN 11 Homework due Thursday On a separate sheet of paper, define the...
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![Page 1: IOT POLY ENGINEERING 3-1 4 JAN 11 Homework due Thursday On a separate sheet of paper, define the following: Combustion, Compression, Conservation, Energy,](https://reader036.fdocuments.in/reader036/viewer/2022081603/56649ec15503460f94bcd085/html5/thumbnails/1.jpg)
IOT
POLY ENGINEERING3-1
4 JAN 11
Homework due Thursday
On a separate sheet of paper, define the following:• Combustion, Compression, Conservation, Energy,
Essay, Force, Fuel, Kinetic Energy, Municipal, Potential Energy, Power, Power Plant, Pressure, Propulsion, Renewable, Rudimentary, Thermodynamics, Vector, Volatile, Work
LETTER
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IOT
POLY ENGINEERING3-1
Schedule
Tuesday – CoalWednesday – Natural Gas/Petroleum
Thursday, Friday, Monday, Tuesday – Midterm reviewWednesday – Multiple Choice Midterm
Thursday – Drafting Midterm
MIDTERM WILL BE ON UNIT 1 AND UNIT 2
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CBDA
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B
BC
A
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BD
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AE
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Parallel Projection to Orthographic
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1. Add width of front view to depth.
2. Add the space we will put between: 1”
5” + 1.75” = 6.75”
HORIZONTAL STARTING POINT
6.75” + 1” = 7.75”
3. Subtract from the total width.10” – 7.75” = 2 ¼”
4. Divide by 2.Horizontal Starting Point = 1 1/8”
![Page 12: IOT POLY ENGINEERING 3-1 4 JAN 11 Homework due Thursday On a separate sheet of paper, define the following: Combustion, Compression, Conservation, Energy,](https://reader036.fdocuments.in/reader036/viewer/2022081603/56649ec15503460f94bcd085/html5/thumbnails/12.jpg)
1. Add height of front view to depth.
2. Add the space we will put between: 1”
4” + 1.75” = 5.75”
VERTICAL STARTING POINT
5.75” + 1” = 6.75”
3. Subtract from the total height.7.25” – 6.75” = ½”
4. Divide by 2.Vertical Starting Point = ¼”
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IOT
POLY ENGINEERING3-1
1. Energy Sources – Fuels and Power Plants2. Classical Mechanics:
Force, Work, Energy, and Power3. Trigonometry and Vectors4. Energy and Power 5. Impacts of Current Generation and Use
UNIT 3 – ENERGY AND POWER
Topics Covered
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IOT
POLY ENGINEERING3-1
UNIT 3 – ENERGY AND POWERTopic 1: Energy Sources – Power Plants and Fuels FUEL: a material used to produce heat or power
Most of the following are power plants – what is the fuel shown/used in each image?
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IOT
POLY ENGINEERING3-1
Why a watermark of the Sun?
The Sun is the source of all energy on Earth.
Topic 1
Energy Sources – Fuels
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IOT
POLY ENGINEERING3-1
1. Energy is NOT fuel used for transportation and heating, for lights and appliances, and foods for consumption.
FUEL ENERGY2. Fuels are a source of energy.3. Fuels are the material source of energy,
containing it as a potential.
Fuels and Energy
Topic 1 Energy Sources – Fuels
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IOT
POLY ENGINEERING3-1
1. Non-renewable1. Fossil Fuels
Coal, Natural Gas, Petroleum (Oil)2. Nuclear – Uranium ore
2. RenewableBiofuels, Biomass, Geothermal, Hydro, Solar, Tidal, Wave, Wind
Fuel Types
Topic 1
Energy Sources – Fuels
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IOT
POLY ENGINEERING3-1
1. Fossil fuels are burned to release stored energy.2. Formed from the heated and pressurized
remains of dead plant and animal life over hundreds of millions of years.
3. Non-renewable – millions of years to form and reserves are being depleted faster than new ones are being formed.
4. Volatile: natural gas and petroleum5. Nonvolatile: coal
Non-Renewable Fuels – Fossil Fuels
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IOT
POLY ENGINEERING3-1
Non-Renewable Fuels – Coal1. Coal is formed from the remains of terrestrial
plants that died around 350 million years ago. 2. Plant remains preserved in water and mud.
Heat and Pressure
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IOT
POLY ENGINEERING3-1
Non-Renewable Fuels – Coal
1. 4,000 BC – China carved ornaments2. 2,000 BC – funeral pyres in Britain3. 1,200s AD – underground mining developed
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IOT
POLY ENGINEERING3-1
Non-Renewable Fuels – Coal
History of Extraction and Use• Colliery (COLL-yer-ee) – a coal mine and its
connected buildings.Coal must be cleaned and refined (improved) after
extraction• South Wales, Great Britain – oldest known colliery.• First commercial coal mining in U.S. in 1730s, VA.• Prior to 1880s, coal was picked by hand
underground.• By 1912, surface mining was used.
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IOT
POLY ENGINEERING3-1
Non-Renewable Fuels – Coal
Methods of ExtractionUnderground Mining:
• 60% of world production• 33% of U.S. mining• Uses timber for support tunnel• Machines enter and extract coal
Surface (Strip) Mining:• More coal extracted than underground mining• Exposes coal by removing land above deposits
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IOT
POLY ENGINEERING3-1
Non-Renewable Fuels – Coal
Uses• Coal is mostly used as a solid fuel to produce
electricity and heat through combustion.• It is usually pulverized (crushed into small
particles) then burned in a furnace for electricity generation at a power plant.
• ~40% of world’s electricity comes from coal• ~49% of U.S. electricity comes from coal
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IOT
POLY ENGINEERING3-1
4 JAN 11
Copy tonight’s homework:
On a separate sheet of paper, define the following:• Combustion, Compression, Conservation, Energy,
Essay, Force, Fuel, Kinetic Energy, Municipal, Potential Energy, Power, Power Plant, Pressure, Propulsion, Renewable, Rudimentary, Thermodynamics, Vector, Volatile, Work
LETTER