NGA 70 Review New Update With Correct Answers!!
Aldehydes - ANSWER>>Toxic substance formed from incomplete combustion
Carbon Monoxide - ANSWER>>CO, byproduct of incomplete combustion
Products of incomplete combustion - ANSWER>>CO, Aldehydes, Heat
Products of complete combustion - ANSWER>>CO2, H2O, heat
Excess Flow Valve - ANSWER>>shuts off flow when a predetermined value is
exceeded.
Hydrocarbon - ANSWER>>Combination of hydrogen and carbon found in natural gas,
oil and coal.
Natural Gas Ignition Temperature - ANSWER>>1100-1200 F
Mercaptan - ANSWER>>a sulfur like odor that is added to natural gas before
distribution to the consumer, to give it a distinct, unpleasant odor
Flammability range of natural gas - ANSWER>>5-15%
Specific gravity of natural gas - ANSWER>>0.6
Specific gravity of air - ANSWER>>1.0
Aldehydes - ANSWER>>Toxic substance formed from incomplete combustion
Carbon Monoxide - ANSWER>>CO, byproduct of incomplete combustion
Products of incomplete combustion - ANSWER>>CO, Aldehydes, Heat
Products of complete combustion - ANSWER>>CO2, H2O, heat
Excess Flow Valve - ANSWER>>shuts off flow when a predetermined value is
exceeded.
Hydrocarbon - ANSWER>>Combination of hydrogen and carbon found in natural gas,
oil and coal.
Natural Gas Ignition Temperature - ANSWER>>1100-1200 F
Mercaptan - ANSWER>>a sulfur like odor that is added to natural gas before
distribution to the consumer, to give it a distinct, unpleasant odor
Flammability range of natural gas - ANSWER>>5-15%
Specific gravity of natural gas - ANSWER>>0.6
Specific gravity of air - ANSWER>>1.0