Inspection Procedure for Pre-cast Flues: What should you ensure about the flue?

There are no cracks within the flue

In the loft space, what should you check about the flue?

The flue is not corroded or cracked

The flue is covered with insulation

In the loft space, what should you ensure about the flue pipe?

The flue pipe is adequately supported

The flue pipe is made of plastic

According to Regulation 26(9)(a) of the Gas Safety (Installation and Use) Regulations, what must a person do immediately after working on a gas appliance?

Examine the effectiveness of any flue and notify any defect to the responsible person and, where different, the owner of the premises.

Check the gas meter for leaks and report to the local authority.

Replace all gas fittings regardless of condition.

Turn off the main gas supply and leave the premises immediately.

What should you check regarding permanent ventilation before testing?

It is adequate. Close all windows and doors of the room in which the flue is situated.

It is blocked by furniture. Open all windows and doors of the room in which the flue is situated.

It is painted over. Leave the room unventilated during the test.

It is covered by curtains. Ensure the flue is disconnected before testing.

What should you position and light at the base of the flue/chimney?

A smoke pellet (with a minimum 5m3 emission volume in 30 seconds burn time)

If any type of extract fan or ceiling type air circulation is fitted in the room or an adjacent room, and the test described above was satisfactory, what must be done?

The test must be repeated with the fan or air circulation operating.

The fan should be turned off permanently.

A different type of test must be conducted.

From the table 'Examples of Flue/chimney Defects', what additional action is required if a gas fire is fitted to a letterbox opening or with inadequate catchment space?

Turn appliance off, label, issue warning notice and arrange to carry out remedial work

Increase the size of the catchment space only

Continue using the appliance as normal

Replace the gas fire with an electric heater

According to the checklist for fault finding on positive pressure appliances, what should be ensured about sight glasses and seals?

Ensure sight glasses are not damaged and all seals are intact, correctly fitted and secure.

Ensure sight glasses are always open and seals are removed.

Ensure sight glasses are painted over and seals are loosely fitted.

Ensure sight glasses are covered with tape and seals are missing.

What should you inspect for on the appliance combustion chamber, back plate, or casing to ensure the integrity of the appliance?

Any water leaks or signs of corrosion that is advanced enough to affect the integrity of the appliance.

Loose wiring or electrical faults unrelated to the combustion chamber.

Presence of dust or dirt on the exterior surface only.

Proper labeling and color coding of the appliance components.

Which tool can be used to check the extent of corrosion on an appliance?

A sharp instrument such as a screwdriver.

List one symptom of possible products of combustion spillage from a positive pressure appliance.

Flame picture disturbance, discoloration around the appliance (soot/heat marks), or customer complaint (smell/headaches).

Increased water pressure in the pipes.

Sudden drop in room temperature.

Unusual noise from the refrigerator.

What is the first step in the procedure to check case seals on positive pressure appliances?

Carry out a physical inspection of case/combustion seals, replacing as necessary.

Test the appliance with a gas analyzer before inspection.

Check the electrical wiring before opening the case.

Start the appliance and observe for unusual noises.

How can the integrity of the case seal be checked?

With an approved Carbon Monoxide detector around the seals.

By visually inspecting the color of the seal.

By tapping the seal and listening for a hollow sound.

By checking the temperature of the seal with your hand.

What will indicate any leakage when running a match or taper around the boiler casing and back plate?

Flame/smoke disturbance at the point of leakage.

According to the procedure to check case seals on positive pressure appliances, what is the first step you should take?

Light appliance and set controls to highest setting

Check for gas leaks around the appliance

According to the procedure to check case seals on positive pressure appliances, what should you do to feel for draughts?

Run a hand around the boiler casing and back plate at an appropriate distance feeling for draughts

Use a thermometer to measure the temperature around the boiler casing

Shine a flashlight around the boiler casing to look for air movement

Tap the boiler casing lightly to listen for changes in sound

According to the procedure to check case seals on positive pressure appliances, what should you use to check for signs of leakage around the boiler casing and back plate?

Light an ordinary match or taper and run it around the boiler casing and back plate very close to the case seal for signs of leakage

Spray water around the boiler casing and back plate and look for bubbles

Use a magnet to detect leaks around the boiler casing and back plate

Tap the boiler casing and back plate with a hammer and listen for changes in sound

According to the procedure to check case seals on positive pressure appliances, how will any leakage be evident?

Any leakage will be evident by flame/smoke disturbance at the point of leakage.

Any leakage will be evident by a sudden increase in appliance temperature.

Any leakage will be evident by a drop in water pressure.

Any leakage will be evident by a change in appliance color.

Chimneys (part 2) - Inspection Procedure and Flue Flow Testing Quiz

48 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Inspection Procedure for Pre-cast Flues: What should you check to ensure the terminal complies with?

Relevant standards

Manufacturer's warranty

Local weather conditions

Type of fuel used

2.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

Inspection Procedure for Pre-cast Flues: What should you check to ensure there are no signs of from the flue or appliance fitted?

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Inspection Procedure for Pre-cast Flues: What should be removed before inspection?

Any appliance fitted

All insulation material

Decorative finishes

External brickwork

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Inspection Procedure for Pre-cast Flues: What should you check regarding the cooler plate required by the appliance manufacturer?

It is correctly fitted

It is painted red

It is made of plastic

It is installed upside down

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you check regarding the compatibility of the gas appliance?

Compatibility for use with a pre-cast flue

Whether it is compatible with electric cookers

If it can be used outdoors in the rain

If it is suitable for use with solar panels

6.

OPEN ENDED QUESTION

3 mins • 1 pt

Inspection Procedure for Pre-cast Flues: What should you check for completeness and correct installation of?

Evaluate responses using AI:

OFF

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you check regarding the dimensions of the catchment space?

They are adequate

They are painted red

They are made of glass

They are less than 1 meter

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Chimneys (part 2) - Inspection Procedure and Flue Flow Testing

Inspection Procedure for Pre-cast Flues: What should you check to ensure the terminal complies with?

Inspection Procedure for Pre-cast Flues: What should you check to ensure there are no signs of from the flue or appliance fitted?

Inspection Procedure for Pre-cast Flues: What should be removed before inspection?

Inspection Procedure for Pre-cast Flues: What should you check regarding the cooler plate required by the appliance manufacturer?

What should you check regarding the compatibility of the gas appliance?

Inspection Procedure for Pre-cast Flues: What should you check for completeness and correct installation of?

What should you check regarding the dimensions of the catchment space?

Inspection Procedure for Pre-cast Flues: What should you ensure about the flue?

Inspection Procedure for Pre-cast Flues: What should you check within the catchment space?

From the catchment space, what should you look up the flue to check for?

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