NGA 70 - AOCS & PROPERTIES OF
NATURAL GAS QUESTIONS &
ANSWERS(RATED A+)
Specific Gravity Natural Gas - ANSWER0.6
Specific Gravity Carbon Monoxide - ANSWER0.98
Specific Gravity Air - ANSWER1.0
Specific Gravity Propane - ANSWER3.5
Specific Gravity Kerosene/Fuel Oil - ANSWER4.5
Natural Gas can be transported in either - ANSWERGas or Liquid
Gases with a specific gravity greater than 1 tend to - ANSWERhug the ground
Headaches, Dizziness, Loss of consciousness are symptoms of - ANSWERexposure to
high levels of natural gas
Odorant added to natural gas before distribution to help aid in detecting gas leaks -
ANSWERMercaptan
Odor intensity can decrease by passing through - ANSWERsand, clay, or loam
Odor intensity can decrease by presence of - ANSWERhousehold chemicals, kitchen or
bathroom cleaners, some air freshners
Odor Fade is caused by what in Steel Pipes - ANSWERinternal rust deposits
Odor Fade occurs in Plastic Pipes - ANSWERabsorbed into or absorbed onto the
surface of the pipe until the pipe comes saturated
Two Specific Reasons to know gravity of fuel gases (1) - ANSWERIt can affect
combustion properties at burner tip
Two Specific Reasons to know gravity of fuel gases (2) - ANSWERCan influence safety
if the gas is released into the atmosphere
The major component of fuel gas - ANSWERhydrocarbons
The major component of natural gas - ANSWERmethane
NATURAL GAS QUESTIONS &
ANSWERS(RATED A+)
Specific Gravity Natural Gas - ANSWER0.6
Specific Gravity Carbon Monoxide - ANSWER0.98
Specific Gravity Air - ANSWER1.0
Specific Gravity Propane - ANSWER3.5
Specific Gravity Kerosene/Fuel Oil - ANSWER4.5
Natural Gas can be transported in either - ANSWERGas or Liquid
Gases with a specific gravity greater than 1 tend to - ANSWERhug the ground
Headaches, Dizziness, Loss of consciousness are symptoms of - ANSWERexposure to
high levels of natural gas
Odorant added to natural gas before distribution to help aid in detecting gas leaks -
ANSWERMercaptan
Odor intensity can decrease by passing through - ANSWERsand, clay, or loam
Odor intensity can decrease by presence of - ANSWERhousehold chemicals, kitchen or
bathroom cleaners, some air freshners
Odor Fade is caused by what in Steel Pipes - ANSWERinternal rust deposits
Odor Fade occurs in Plastic Pipes - ANSWERabsorbed into or absorbed onto the
surface of the pipe until the pipe comes saturated
Two Specific Reasons to know gravity of fuel gases (1) - ANSWERIt can affect
combustion properties at burner tip
Two Specific Reasons to know gravity of fuel gases (2) - ANSWERCan influence safety
if the gas is released into the atmosphere
The major component of fuel gas - ANSWERhydrocarbons
The major component of natural gas - ANSWERmethane
