Flue Gas Analysing Part 1 Phase 3 9189

Which manufacturer's instructions should you always read?

• Any manufacturer's
• Only Anton
• Only Kane
• Only Blue Laser

What is the standard mentioned to aid in the correct use of the analyser?

• BS 7465 2015
• BS 7967 2015
• BS 8067 2015
• BS 8567 2015

What initial reading should the oxygen level show in fresh air?

• 19.9%
• 21.5%
• 20.9%
• 18.9%

What should you do if you suspect incorrect readings?

• Ignore them
• Replace the analyser
• Perform a leak test
• Change the battery

What is the maximum CO reading for an appliance to be deemed safe?

• 500 ppm
• 400 ppm
• 300 ppm
• 350 ppm

When should you start analysing the flue gas of a boiler?

• At the beginning
• After 5 minutes
• After 15 minutes
• At the end of the job

How long should you wait for a stable reading?

• 5 minutes
• 10 minutes
• 15 minutes
• 20 minutes

What is the purpose of the flue integrity test?

• Check for gas leaks
• Check the boiler's efficiency
• Check the flue seals
• Check the water pressure

What is the minimum oxygen level required for the flue integrity test?

• 19.9%
• 21.0%
• 20.6%
• 20.0%

What should you do if the CO reading exceeds 200 ppm during analysis?

• Continue analysing
• Wait a further 15 minutes

• Ignore it
• Call the manufacturer