ACS Appliance Installation

Question 1

Which British Standard provides guidance on the installation of domestic gas appliances?

Accepted Answer

BS 6798 for boilers and BS 5440 for flues and ventilation (with BS 6891 for pipework)

Answer

BS 7671 (IEE Wiring Regulations)

Answer

BS 5306 (fire extinguishers)

Answer

BS 8300 (accessibility)

Question 2

Before installing a new gas appliance, what must the engineer check regarding the gas supply?

Accepted Answer

The available gas pressure, meter capacity, and pipework size to ensure the supply is adequate for the new appliance's gas rate

Answer

The colour of the gas meter

Answer

The age of the gas meter

Answer

Whether the customer has a prepayment or credit meter

Question 3

What is the purpose of an 'appliance service interval'?

Accepted Answer

To ensure the appliance continues to operate safely and efficiently, with worn parts replaced before they cause dangerous conditions

Answer

To update the appliance's warranty registration

Answer

To comply with the manufacturer's commercial terms and conditions only

Answer

To transfer the Gas Safe registration to the new owner

Question 4

When installing a gas cooker in a domestic kitchen, what minimum clearances must be maintained?

Accepted Answer

Minimum clearances from combustible surfaces as specified in the manufacturer's instructions and BS 6172

Answer

No clearances are required if the cooker is the correct size for the space

Answer

Clearances are determined by the local authority building control only

Answer

Clearances only apply to commercial appliances

Question 5

What does 'commissioning' a gas appliance involve?

Accepted Answer

Setting the appliance to operate correctly, verifying gas pressure, checking combustion performance, and handing over to the customer with instructions

Answer

Registering the appliance warranty with the manufacturer

Answer

Simply turning on the gas supply and igniting the pilot

Answer

Completing the Gas Safe notification only

Question 6

Which document must be left with the customer (or installed on the appliance) after installing a new gas boiler?

Accepted Answer

The manufacturer's installation and user instructions, the Gas Safe notification certificate, and the benchmark commissioning record

Answer

A copy of the engineer's Gas Safe card only

Answer

Only the engineer's business card

Answer

A copy of the tightness test results