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Fuel tanks exposed to heat or flame generally exhibit a line of demarcation representing the:
What is the simplest way to detect a leak in the fuel gas system?
Which of the following may cause the fuel gas to escape?
What is the common odorant used for propane gas?
Which of the following locations is not approved for natural gas installations?
Natural gas and propane can act as the:
Fuel gases that escape from their piping, storage or utilization systems are referred to as:
Natural gas is comprised mostly of:
Propane gas is lighter than air?
The gas meter can be used to check for leaks in the system?