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GAS FITTER EXAM 2025 QUESTIONS AND ANSWERS Abnormal Operating Condition (AOC) - ....ANSWER ...-A condition identified by the operator that may indicate in the function of a component or deviation from normal operations that may indicated condition exceeding design limits or result in a hazardous to persons property or of the environment What is Natural Gas made out of ? - ....ANSWER ...-methane and other gases What is a BTU? - ....ANSWER ...-(British Thermal Unit) A unit to Measure heat What is an Orifice? - ....ANSWER ...-Small opening inside your gas appliance through which the gas is fed and then becomes ignited. What is CF ( Cubic Feet) - ....ANSWER What is CCF ? - ....ANSWER ...-measurement of gas volume ...-The first c stands for 100 and cf stands for cubic feet What is the odorant added to natural gas ? - ....ANSWER ...-A chemical added to natural gas that gives gas it's distinct smell What is a Regulator ? - ....ANSWER ...-A device that reduces or regulates the gas the proper pressure before it goes into a building or a appliance ...©️ 2025, ALL RIGHTS RESERVED 1