#1
What is the primary component of natural gas?
Methane
ExplanationMethane is the main component of natural gas, accounting for a significant portion of its composition.
#2
Which of the following is a key property of natural gas?
Low carbon content
ExplanationNatural gas is known for its low carbon content, making it a cleaner-burning fuel compared to other fossil fuels.
#3
In what state is natural gas typically transported through pipelines?
Gas
ExplanationNatural gas is transported in a gaseous state through pipelines, facilitating its distribution over long distances.
#4
What is the primary source of natural gas?
Decaying plant and animal matter
ExplanationThe primary source of natural gas is decaying plant and animal matter, undergoing geological processes to form hydrocarbons.
#5
Which of the following is a method used to extract natural gas from underground reservoirs?
Drilling
ExplanationDrilling is a common method used to extract natural gas from underground reservoirs, allowing access to the trapped reserves.
#6
What is the typical odorant added to natural gas for safety reasons?
Mercaptan
ExplanationMercaptan is commonly added to natural gas to provide a distinctive odor, aiding in leak detection for safety purposes.
#7
Which property of natural gas makes it a clean-burning fuel?
Low sulfur content
ExplanationThe low sulfur content in natural gas contributes to its status as a clean-burning fuel, producing fewer pollutants during combustion.
#8
What is the energy content of natural gas typically measured in?
British thermal units (BTUs)
ExplanationThe energy content of natural gas is commonly measured in British thermal units (BTUs), indicating its heating capacity.
#9
Which of the following is a safety precaution for natural gas appliances?
Regular maintenance and inspection
ExplanationEnsuring regular maintenance and inspection of natural gas appliances is a crucial safety precaution to prevent potential hazards.
#10
Which of the following is a greenhouse gas that is a byproduct of natural gas combustion?
Carbon dioxide
ExplanationCarbon dioxide is a greenhouse gas produced as a byproduct of natural gas combustion, contributing to environmental concerns.
#11
What is the combustion byproduct when natural gas is burned?
Water vapor
ExplanationThe primary combustion byproduct of natural gas is water vapor, a relatively environmentally friendly outcome.
#12
What is the flammability range of natural gas in air?
5% to 15%
ExplanationNatural gas has a flammability range in air between 5% and 15%, highlighting the potential fire risk in specific concentrations.
#13
What is the ignition temperature of natural gas?
400°C
ExplanationThe ignition temperature of natural gas is approximately 400 degrees Celsius, indicating the temperature at which it can catch fire.
#14
Which of the following is a factor affecting the calorific value of natural gas?
All of the above
ExplanationVarious factors, including methane content, impurities, and composition, collectively affect the calorific value of natural gas.
#15
What is the typical odor threshold of the odorant added to natural gas?
10 parts per million
ExplanationThe typical odor threshold of the odorant added to natural gas is 10 parts per million, indicating the concentration at which it becomes detectable.