Complete Task NGA 70 Properties of natural gas Updated
What are the 3 characteristics of natural gas? - ANSWER>>odorless colorless
tasteless
What are the by-products of incomplete combustion? - ANSWER>>carbon monoxide
and aldehydes
What is the result of excessive pressure on a pilot light? - ANSWER>>larger flame
Gas venting from a regulator vent is an example of what? What does this indicate? -
ANSWER>>high pressure
abnormal operating conditions
Several customers in the same area reported they have no gas, what does this indicate
and what should you do? - ANSWER>>1.Low pressure or no pressure 2.Notify
appropriate personnel and follow a company's policies and procedures to restore the
system as soon as possible.
What are 3 indications associated with a blowing gas situation? - ANSWER>>blowing
dirt
hissing sound
bubbling water
A gas leak on a low pressure system will have no chance for an explosion -
ANSWER>>false
If you are in an area where a know gas leak is present,yet there is no odor, what is this
an indication of? - ANSWER>>under - odorization
, If you have in proper odorization,what should you do? - ANSWER>>must be reported
immediately
What is the main components of natural gas - ANSWER>>methane
What does natural gas does when heated? - ANSWER>>expand
What does natural gas does when cooled? - ANSWER>>contracts
what is the ignition temperature of natural gas? - ANSWER>>1100 degrees
why is my mercaptan added to natural gas? - ANSWER>>safety and leak detection
What do we add to natural gas to give it its distinctive smell? - ANSWER>>mercaptan
Natural gas will not burn unless fuel, heat and ____________are present? -
ANSWER>>oxygen
what is the specific gravity of natural gas? - ANSWER>>.6
when released into the air, natural gas________ rapidly because it is______ than air. -
ANSWER>>1.rise
2.lighter
natural gas below 5% gas- in- air (GIA) will not burn because it's - ANSWER>>too lean
natural gas above 15% gas in air will not burn because it's - ANSWER>>too rich
What are the 3 characteristics of natural gas? - ANSWER>>odorless colorless
tasteless
What are the by-products of incomplete combustion? - ANSWER>>carbon monoxide
and aldehydes
What is the result of excessive pressure on a pilot light? - ANSWER>>larger flame
Gas venting from a regulator vent is an example of what? What does this indicate? -
ANSWER>>high pressure
abnormal operating conditions
Several customers in the same area reported they have no gas, what does this indicate
and what should you do? - ANSWER>>1.Low pressure or no pressure 2.Notify
appropriate personnel and follow a company's policies and procedures to restore the
system as soon as possible.
What are 3 indications associated with a blowing gas situation? - ANSWER>>blowing
dirt
hissing sound
bubbling water
A gas leak on a low pressure system will have no chance for an explosion -
ANSWER>>false
If you are in an area where a know gas leak is present,yet there is no odor, what is this
an indication of? - ANSWER>>under - odorization
, If you have in proper odorization,what should you do? - ANSWER>>must be reported
immediately
What is the main components of natural gas - ANSWER>>methane
What does natural gas does when heated? - ANSWER>>expand
What does natural gas does when cooled? - ANSWER>>contracts
what is the ignition temperature of natural gas? - ANSWER>>1100 degrees
why is my mercaptan added to natural gas? - ANSWER>>safety and leak detection
What do we add to natural gas to give it its distinctive smell? - ANSWER>>mercaptan
Natural gas will not burn unless fuel, heat and ____________are present? -
ANSWER>>oxygen
what is the specific gravity of natural gas? - ANSWER>>.6
when released into the air, natural gas________ rapidly because it is______ than air. -
ANSWER>>1.rise
2.lighter
natural gas below 5% gas- in- air (GIA) will not burn because it's - ANSWER>>too lean
natural gas above 15% gas in air will not burn because it's - ANSWER>>too rich
