Domestic Meter Installation Quiz

What is the primary purpose of the Dangerous Substances and Explosive Atmospheres Regulations (DSEAR) in relation to domestic meter installations?

• To classify them as Zone 1 hazardous areas

• To classify them as Zone 2 hazardous areas

• To exempt them from hazardous area classification

• To require explosion-proof equipment in all cases

When calculating the required meter size for a domestic installation, which factor is used to account for the likelihood of all appliances operating simultaneously?

• Diversity factor

• Heat input multiplier

• Simultaneous usage coefficient

• Appliance efficiency rating

In a scenario where a new meter must be installed internally in a dwelling with three floors above ground level, which location would be prohibited according to current regulations?

• In the kitchen

• In the living room

• Under the stairs that provide the sole means of exit

• In an attached garage

What is the primary purpose of installing a thermal cut-off device on the pipe upstream of an internal meter?

• To regulate gas pressure

• To measure gas flow

• To automatically shut off gas supply if temperature exceeds 95°C

• To prevent gas leaks

When installing a credit meter that supplies one or more secondary meters, what specific labeling requirement must be met?

• The serial number of all secondary meters must be listed

• The total gas consumption of all meters must be displayed

• It must indicate that it supplies one or more secondary meters

• The installation date of each secondary meter must be shown

According to current standards, in what circumstance must a label be fitted near the meter stating the location of the Emergency Control Valve (ECV)?

• When the ECV is within 1 meter of the meter

• When the ECV is further than 2 meters from the meter or out of sight

• Only when the meter is installed externally

• When the meter is a prepayment type

What is the correct procedure when installing a meter where the outlet connection is to be capped?

• Leave the ECV open for future use

• Remove the ECV entirely

• Turn off the ECV after tightness testing and purging

• Connect a temporary appliance to keep the system operational

When connecting a new meter to an existing internal gas supply, what critical step must be taken regarding any new, uncommissioned appliances?

• They must be fully connected and tested

• They must be capped off

• They must be removed from the property

• They must be activated to test the system

Where should the main protective equipotential bonding clamp be attached in relation to an internal meter installation?

• Directly on the meter itself

• On the service pipe outside the property

• On the internal pipework, within 600 mm of the meter outlet

• At the furthest point of the internal pipework

What is the primary purpose of using a non-contact voltage detector during meter installation?

• To measure gas pressure

• To detect gas leaks

• To identify potential stray electrical currents

• To test the meter's accuracy