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ESS QUIZ 4 (ENERGY RESOURCES) > ENERGY - DAMS > Flashcards

ENERGY - DAMS Flashcards

1
Q
  • the capacity to do work

Acc. Law Conservation of Energy
- it can be neither created nor destroyed

A

ENERGY

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2
Q

2 TYPES OF ENERGY

A

POTENTIAL & KINETIC

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3
Q
  • stored energy that depends upon the relative position of various parts of a system
A

POTENTIAL

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4
Q
  • energy of moving object
A

KINETIC

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5
Q

3 FORMS OF ENERGY

A

CHEMICAL - from plants to humans

MECHANICAL - energy of motion (anything that moves)

ELECTRICAL - cause an action or move an object.

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6
Q

2 TYPES OF ENERGY RESOURCES

A

RENEWABLE & NON-RENEWABLE

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7
Q
  • smth that can produce heat, power, life, move objects or produce electricity
A

ENERGY RESOURCES

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8
Q
  • produce in nature
  • non-exhaustible

EX: Solar energy, Hydro Energy, Geothermal Energy, Wind Energy, Tidal Energy

A

RENEWABLE

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9
Q
  • formed long ago
  • accumulated in nature
  • exhausted easily
  • cannot be replaced
  • from fossil fuels
  • HEAT, PRESSURE, LONGER PERIOD OF TIME

EX: Coal, Natural Gas, Oil/Petroleum

A

NON-RENEWABLE ENERGY

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10
Q
  • flow of electrons
  • electricity
A

CURRENT

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11
Q
  • from the deposits of plants & animals
  • contains carbon & hydrogen
A

FOSSIL FUELS

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12
Q
  • hard
  • black-colored sedentary/metamorphic rock
  • carbon hydrogen, nitrogen, oxygen, sulphur
  • largest source of energy
A

COAL

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13
Q
  • dead plant matter submerged in swamp environments subjected to the geological forces of heat & pressure

USES:
- produce steam in the railway engines
- generate electricity in thermal plants

A

OIL

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14
Q

PEAT
LIGNITE - lowest carbon content
SUBBITUMINOUS - lower concentration; most used
BITUMINOUS - enough content to yield quality; most used energy production
ANTHRACITE - highest carbon content

A

5 TYPES OF COAL

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15
Q

formed from the incomplete decomposition of plant matter under anaerobic conditions

A

PEAT

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16
Q
  • crude oil/petroleum
  • very strange smell
  • mixture of petroleum gas, diesel, paraffin wax, petrol, lubricating oil
  • BLACK GOLD
  • very precious & rare
A

OIL

17
Q
  • sea animals & plants settled & got compressed by the layers of sand & clay
  • HIGH PRESSURE & HIGH TEMPERATURE

USES:
- transportation

A

OIL

18
Q
  • clean & non-toxic
  • no color & odor
  • easily transferred thru pipelines
  • found near oil deposits
A

NATURAL GAS

19
Q
  • from ancient marine microorganisms (PHYTOPLANKTON & ZOOPLANKTON) mixed with organic-rich mud
  • atmosphere
  • transforming shale into waxy material called KEROGEN
  • RISING TEMPERATURE & PRESSURE

USES:
- generating power
- used in kitchen for cooking
- fuels in automobiles

A

NATURAL GAS

20
Q
  • heat deprived within the sub-surface of the earth
  • from the earth’s core
  • HEATING & COOLING thru HEAT PUMPS/HARNESSED
A

GEOTHERMAL ENERGY

21
Q
  • taps the heat close to the earth’s surface to heat water
  • pumping water or a refrigerant thru pipe below the earth’s surface
    50-60 F
  • used in ICELAND
A

GEOTHERMAL HEAT PUMPS

22
Q

3 TYPES OF GEO PUMPS

A

DRY STEAM PLANTS
FLASH STEAM PLANTS
BINARY CYCLE PLANTS

23
Q
  • PIPED directly from geo reservoirs into generators
  • steam spins turbines to generate electricity
A

DRY STEAM PLANTS

24
Q
  • WATERS BET 300 - 700 F brought THRU A WELL
A

FLASH STEAM PLANTS

24
Q
  • from flowing water
  • mechanical milling
  • prod ene by turbines & generators
  • MOST COMMON
  • some used dams, some don’t
A

HYDROPOWER

24
Q
  • passed thru HEAT EXCHANGER
  • heat transferred to LIQUID
A

BINARY CYCLE PLANTS

25
Q

3 TYPES OF HYDRO

A

IMPOUNDMENT, DIVERSION, PUMPED STORAGE

26
Q
  • LARGE
  • uses dam to store river water
  • from reservoir to turbine to generators
A

IMPOUNDMENT

27
Q
  • rely on natural water flow
  • more intermittent than DAMMED HYDRO

HOW:
- installed to raise water level
- water is redirected
- supply irrigation, reservoirs, hydroele faci

A

RUN-OF-RIVER/ DIVERSION

28
Q
  • has a 2nd reservoir
  • pumped from the LOWER reservoir to UPPER
  • stored; used at a latter time
A

PUMPED STORAGE

29
Q

DIVERSION
BUTTRESS
EMBANKMENT
COFFERDAM
STORAGE DAM
DETENTION DAM
GRAVITY DAM

A

7 TYPES OF DAMS

29
Q
  • barrier
  • restricts/ stops the flow of water
  • suppress floods
  • provides irrigation, industrial & aquaculture uses
A

DAMS

30
Q
  • divert water
  • provide pressure to push into ditches, canals
  • LOWER IN HEIGHT
  • small water storage
A

DIVERSION DAM

31
Q
  • SLOPING DECK supported by intervals of buttresses
  • use less concrete
  • not necessarily cheaper
  • ARCH TYPE, MASSIVE HEAD TYPE, DECK TYPE
A

BUTTRESS DAM

32
Q
  • LARGE ARTIFICIAL
  • natural excavated materials
A

EMBANKMENT DAM

33
Q
  • TEMPORARY PORTABLE DAM
  • used for bridge repair, shoreline restoration, pipeline installation
  • close off some/all construction area
A

COFFERDAM

34
Q
  • KEEP WATER IN
  • to store water during rainy seasons
  • MOST COMMON
A

STORAGE DAM

35
Q
  • FLOOD CONTROL
  • reduce flash floods
A

DETENTION DAM

36
Q
  • MASSIVE
  • man-made concrete
  • holds large volume of water
  • blocks river in wide valleys
A

GRAVITY DAM

ESS QUIZ 4 (ENERGY RESOURCES) (1 decks)

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