CENWAT Safety Devices and Regulations

Question 1

Under the Gas Safety (Installation and Use) Regulations 1998, how often must a landlord have gas appliances safety checked in a rented property?

Accepted Answer

Every 12 months

Answer

Every 6 months

Answer

Every 2 years

Answer

Every 5 years

Question 2

What classification should a gas engineer assign to an appliance that poses an immediate danger to life?

Accepted Answer

Immediately Dangerous (ID)

Answer

At Risk (AR)

Answer

Not to Current Standards (NCS)

Answer

Condemned (C)

Question 3

What is the maximum permitted ambient air CO reading that should trigger immediate investigation according to industry guidance?

Accepted Answer

9 ppm

Answer

1 ppm

Answer

25 ppm

Answer

50 ppm

Question 4

What is the purpose of the flame supervision device (FSD) on a gas boiler?

Accepted Answer

To shut off the gas supply if the flame is not detected

Answer

To adjust the flame colour

Answer

To control the room temperature

Answer

To modulate the boiler output

Question 5

According to BS 5440-1, what is the minimum distance a room-sealed boiler flue terminal must be from an opening window?

Accepted Answer

300mm

Answer

100mm

Answer

150mm

Answer

600mm

Question 6

What action must a Gas Safe engineer take upon discovering a gas leak during a routine service?

Accepted Answer

Immediately make the situation safe by turning off the gas supply, ventilating the area, and investigating the source

Answer

Note it on the report and advise the customer to call someone else

Answer

Continue the service and fix it afterwards

Answer

Call the Fire Brigade immediately without taking any other action