ACTUAL Exam Questions and
CORRECT Answers
Oil and Natural Gas typically form in what environment? - CORRECT ANSWER - marine
life preserved at the bottom of deep lakes
Hydrocarbons refer to which two elements? - CORRECT ANSWER - hydrogen and carbon
Which of the fossil fuels are regional commodities with regional prices? - CORRECT
ANSWER - coal and natural gas
Coal is formed in what enviornment? - CORRECT ANSWER - plants in a humic, swamp
environment
Which fossil fuel contains ash? - CORRECT ANSWER - coal
How many ranks of coal are there? - CORRECT ANSWER - four
Which coal rank has the highest heating value? - CORRECT ANSWER - anthracite
What two methods are used to mine coal? - CORRECT ANSWER - deep mining and
mountaintop removal
A proximate analysis shows that a certain lignite coal is 10% moisture, 30% volatiles, and 10%
ash. What is the % fixed carbon? - CORRECT ANSWER - 1 - .10 - .30 - .10 = 0.5 or 50%
carbon
Which coal rank has the highest percentage of volatiles? - CORRECT ANSWER - lignite
, Convert a coal price of $90/ton to $/MMBtu - CORRECT ANSWER - $3.46/MMBtu
90/26 = 3.46
Which is more expensive, $100/ton of coal or$3/MCF of natural gas? - CORRECT
ANSWER - 100/26 = $3.85/MMBtu
3/1 = $3/MMBtu
Coal is more expensive
What is the main use for Petroleum? - CORRECT ANSWER - transportation
Heavy Bitumen stuck to sand grains is called what? - CORRECT ANSWER - tar sands
Who was the first to use Petroleum for petrol and not for kerosene? - CORRECT ANSWER -
John D Rockefeller
What were the main contributions to the BP oil spill in 2010? - CORRECT ANSWER -
human error and effective compression
What is the main component of natural gas? - CORRECT ANSWER - methane
Which fossil fuel has the highest heating value pr pound? - CORRECT ANSWER - natural
gas
Which fossil fuel is the cleanest burning? - CORRECT ANSWER - natural gas