Specific Gravity of Air is 1, Natural Gas is....
A) .01
B) .6
C) 1.1
D) 1.4

What % range is the flammable range for Natural gas?
A) 2 to 25%
B) 24 to 36%
C) 5 to 15%
D) 4 to 36%

The odorant added to Natural gas so we can smell it is called.....
A) Skunkweed
B) Linburger extract
C) Voliputium
D) Mercaptan

How do we turn off a 3" or larger natural gas line?
A) Quarter turn crossways
B) non-sparking wrench
C) Must be crimped off with non-sparking tool
D) FD does not cut them off, only line at residential meter

Natural Gas for WNC comes through pipelines from....
A) Hickory, NC
B) Alaska
C) Texas
D) Raleigh, NC

Natural Gas needs an ignition source with ______degrees F to ignite
A) 1,100 DegreesF
B) 900 DegreesF
C) 500 DegreesF
D) 350 DegreesF

Natural Gas contains Carbon Monoxide (T or F + correct fact)
A) True, appx 98Parts per Million
B) False, and does not produce it when burned because of "pure burn"
C) True, but does not produce more when burned
D) False, but does produce it during incomplete combustion

Natural Gas is Non-Toxic (T or F, + correct fact)
A) True, but it can create an oxygen deficient environment
B) True, and does not displace oxygen
C) False, Limited to 5 minutes exposure at 53 Parts per Million
D) False, the odorant in Natural Gas will destroy aveoli sacs in the lungs

Normal characteristics are that Natural Gas will ______ in the atmosphere
A) be nuetrally bouyant
B) sink and concentrate
C) rise and disperse
D) change colors

Never move any natural gas valve (even residential) that has a _____ on it.
A) red tag
B) red "X"
C) meter
D) Lock