Questions and CORRECT Answers
At current US reserves, how long will natural gas last? - CORRECT ANSWER - 86 years
what size of particulates are the most harmful to human health - CORRECT ANSWER - 0.1 -
2.0 microns
The three main problems with fossil fuels are that they are non-renewable, pollution, and climate
change - CORRECT ANSWER - true
as population increases, energy consumption increases - CORRECT ANSWER - true
what is energy - CORRECT ANSWER - the capacity to do work
what is the form of energy contained in a dam called - CORRECT ANSWER - potential
A BTU is defined as - CORRECT ANSWER - the amount of energy required to raise the
temperature of one LB of water by one degree Fahrenheit
the process of two smaller nuclei combining with one larger nucleus - CORRECT ANSWER -
nuclear fusion
the process of one larger nucleus dividing into two smaller nuclei - CORRECT ANSWER -
nuclear fission
oil and natural gas typically form in what environment - CORRECT ANSWER - marine life
preserved at the bottom of deep lakes
, which fossil fuel contains ash - CORRECT ANSWER - coal
how many ranks of coal are there - CORRECT ANSWER -4
which coal rank has the highest heating value - CORRECT ANSWER - anthracite
which is more expensive, $100/ton of coal or $3/mcf of natural gas - CORRECT ANSWER -
coal
what is work - CORRECT ANSWER - force x displacement
a power plant produces 50 MJ of useful energy and 200 MJ of wasted heat. what is the
efficiency? - CORRECT ANSWER - 20% (50/250)
what is the main use for petroleum - CORRECT ANSWER - transportation
what is the main component of natural gas - CORRECT ANSWER - methane
which fossil fuel is the cleanest burning - CORRECT ANSWER - natural gas
is the US a new importer or exporter of natural gas - CORRECT ANSWER - exporter
how much did the temp warm from 1850-2007 - CORRECT ANSWER - 0.85 C
how much carbon dioxide have we emitted into the atmosphere by burning fossil fuels since the
industrial revolution - CORRECT ANSWER - half a trillion tons