CFESA GAS REVIEW TEST QUESTIONS AND
ANSWERS
Where does natural gas come from? - ANSWER Found in wells drilled deep in
the ground
Where does lp gas come from? - ANSWER It is a byproduct of natural gas
What are three gases that are normally called LP? - ANSWER Propane, butane,
ethane
Are LP tanks filled with gas or liquid? - ANSWER Liquid
What happens in a LP tank when gas is drawn off? - ANSWER Tank pressure
begins to decrease and also the boiling point.
Is natural gas odorous? - ANSWER No
What is specific gravity of a gas? - ANSWER The weight of the gas compared
to the weight of air, specific gravity of air is 1. Anything less than one will float.
Is natural gas heavier or lighter than air? - ANSWER Lighter
Is LP gas heavier or lighter than air - ANSWER Heavier
Why is LP more hazardous to work with than natural gas? - ANSWER It is
heavier than air and will fall and not dissapate
ANSWERS
Where does natural gas come from? - ANSWER Found in wells drilled deep in
the ground
Where does lp gas come from? - ANSWER It is a byproduct of natural gas
What are three gases that are normally called LP? - ANSWER Propane, butane,
ethane
Are LP tanks filled with gas or liquid? - ANSWER Liquid
What happens in a LP tank when gas is drawn off? - ANSWER Tank pressure
begins to decrease and also the boiling point.
Is natural gas odorous? - ANSWER No
What is specific gravity of a gas? - ANSWER The weight of the gas compared
to the weight of air, specific gravity of air is 1. Anything less than one will float.
Is natural gas heavier or lighter than air? - ANSWER Lighter
Is LP gas heavier or lighter than air - ANSWER Heavier
Why is LP more hazardous to work with than natural gas? - ANSWER It is
heavier than air and will fall and not dissapate