study guide chap 8 Flashcards
what type of coal is very low grade, and is rich in volatiles and is good foe feed stock for coal gasification
lignite
steam electric always produces the same amount of
thermal pollution
in what kind of geological formations are oil depostis most likely to devolop
sedementary deopoist in the sea
why must coal have been formed in stagnant water
swampy wetlands where groundwater is near or slightly above the topsoil.
what is peat
mixture of plant fragments form partly from decayed vegetation this is slwy built up in the swamps
what type of coal is moost often burned at electrical power generation plants
bituminous
of all engery sources which one has the largest reserves for furture use
coal
what type of coal is high grade hard to ignite but burns wiht amlomst no smoke
anthracie
what is hydralic fracking and what is it used for
used to relase fuels and its is drilin g into the groun d to get oils/natural gas
why is urfcae mining a problem
farming and farm land may be ditrubed
what is a generatoir and why are they used
devoce for converting mechanial engery into elctrical energg
what is the correct seqeunce of coal ranked in terms of energuy content from loewest to highest
lignite, subbituminous, bituminous, and anthracite.
what is the chemical eqn for natural gas combustion
natural gas+oxygen –> CO2+H2O+ heat
what unit of measurement is elrectiacal energy
WATTS
what is tubrines
A turbine is a rotary mechanical device that extracts energy from a fluid flow and converts it into useful work. The work produced can be used for generating electrical power when combined with a generator