Gas Engineering

What substances, other than carbon monoxide (CO) may cause a carbon monoxide (CO) alarm to have activated?

• Aerosol Sprays.

• Vacuum cleaners.

• Plants in the room.

• Faulty low energy light bulbs.

If there is evidence that carbon monoxide (CO) has been present and a carbon monoxide (CO) alarm has not activated, the customer shall be advised to:

• Contact the Gas Supplier.

• Replace the alarm immediately.

• Wait for one month and have the alarm tested again.

• Have the installation / position of the alarm checked and if necessary the unit replaced.

Taking into account the expected working life of an electrical carbon monoxide (CO) detector, such alarms should conform to British Standard:

• BS 7860

• BS 7967

• BS EN 50291

• BS EN 50379-3

Where testing for levels of products of combustion in a room in some circumstances a better indicator is to check for:

• N2 and CO.

• O2 and CO.

• CO2 and CO.

• CO / CO2 ratio.

Carbon monoxide (CO) can move around a building to give unacceptable readings within rooms other than those containing fuel burning appliances, this is most likely caused by:

• Split air conditioning systems.

• Rising warm air or combustion products.

• Extractor fans operating in the room where the appliance is installed.

• The air movement caused by ‘fast moving’ traffic on adjacent roads and junctions.

Which of the following is a common symptom of carbon monoxide (CO) poisoning?

• Blurred vision

• Stomach ache

• Headache

• Skin rash

What is the primary purpose of installing a carbon monoxide (CO) detector in a home?

• To measure humidity levels

• To alert occupants of CO presence

• To monitor air quality

• To detect smoke from fires

Which of the following appliances is most likely to produce carbon monoxide (CO) if not properly ventilated?

• Refrigerator

• Electric oven

• Gas water heater

• Microwave