Gas Safety Quiz

You enter a house and smell gas, what shouldn’t you do?

• Turn on the lights

• Open the windows

• Leave the house

• Call the gas company

How would you get rid of a build-up of gas in a building?

• Open windows and doors to ventilate the area

• Use a vacuum cleaner to remove the gas

• Seal the building to contain the gas

• Light a match to burn off the gas

What are the main flue gases produced in complete combustion?

• Carbon dioxide and water vapor

• Methane and oxygen

• Nitrogen and hydrogen

• Sulfur dioxide and carbon monoxide

What flue gas is produced when incomplete combustion occurs?

• Carbon Monoxide

• Carbon Dioxide

• Sulfur Dioxide

• Nitrogen Oxide

How much air is needed to burn 1m3 of gas?

• 10m3

• 5m3

• 15m3

• 20m3

Natural gas is ________ than air.

• heavier

• lighter

You check an appliance and find its burning with yellow flames, what could be the cause of this?

• Incomplete combustion/Lack of air for combustion.

• Excess oxygen supply

• Proper fuel mixture

• High temperature

You notice lazy flames licking the sides of the boiler, what is this a sign of?

• Efficient combustion

• Incomplete combustion Flame Chilling.

• Normal operation

• Overheating

You find a defective/Blocked room sealed boiler flue. What would the effect be on the appliance?

• The appliance will operate normally.

• The appliance will shut down.

• The appliance will overheat.

• The appliance will emit carbon monoxide.

On your FGA you have a Parts Per Million reading of 200ppm, what would the symptoms be for a human?

• No symptoms

• Headache - feeling dizzy and sick.

• Severe headache

• Unconsciousness