Natural Gas and LPG - Multiple Choice Questions

What is the primary component of natural gas?

• Butane

• Propane

• Methane

• Ethane

What is the typical odour added to natural gas for leak detection?

• Ammonia

• Mercaptan

• Sulphur dioxide

• Chlorine

Which of the following best describes natural gas under normal atmospheric conditions?

• Colourless and odourless gas

• Blue liquid

• Yellow solid

• Green gas

What is the approximate ignition temperature of natural gas?

• 200°C

• 540°C

• 1000°C

• 120°C

What is the flammability range of natural gas in air?

• 1% to 5%

• 5% to 10%

• 5% to 15%

• 15% to 25%

Which of the following is a key safety concern with natural gas?

• Toxicity

• Corrosiveness

• Asphyxiation and explosion risk

Natural gas is lighter than air. What does this imply in case of a leak?

• It will settle at floor level

• It will rise and disperse

• It will form a liquid pool

• It will become solid

What is the calorific value of natural gas typically used in the UK?

• 10 MJ/m³

• 20 MJ/m³

• 39 MJ/m³

• 50 MJ/m³

Which UK regulation governs the safe use of natural gas in domestic and commercial settings?

• Gas Act 1986

• Gas Safety (Installation and Use) Regulations 1998

• Building Regulations Part L

• Energy Act 2013

Which of the following is NOT a typical use of natural gas?

• Heating

• Cooking

• Vehicle fuel

• Explosives manufacturing