AC 2.42 Bath Installation Quiz

What is the fluid category that protection against back siphonage is required?

• Category 1

• Category 3

• Category 5

• Category 7

What is not considered a domestic appliance but requires careful consideration?

• Dishwasher

• Urinal

• Refrigerator

• Washing machine

How can a urinal be connected to the water supply?

• Only via a manual flushing valve

• Only via an automatic flushing cistern

• Via an automatic flushing cistern or a manual/automatic flushing valve

• Only via a manual flushing cistern

Which of the following is a method to connect a urinal to the water supply?

• Manual flushing cistern

• Automatic flushing cistern

• Electric flushing valve

• Solar-powered flushing valve

What is a key consideration when installing urinals?

• Cost

• Aesthetic design

• Water usage

• Brand

According to WRAS note IRN R075, what is the purpose of installing urinals with automatic flushing cisterns?

• To increase water usage

• To reduce water wastage

• To improve flushing power

• To enhance bathroom aesthetics

What is the maximum flush rate for two or more urinal bowls using automatic flushing cisterns?

• 5 litres per hour

• 7.5 litres per hour

• 10 litres per hour

• 12.5 litres per hour

To what should the refrigerator connection be installed in accordance with?

• Fluid category 2

• Fluid category 1

• Fluid category 3

• Fluid category 4

What must be fitted to the installation of a refrigerator with ice making facilities?

• A single check valve or an approved EA/EB Backflow prevention device

• A double check valve or a pressure regulator

• A water filter or a temperature gauge

• A flow meter or a density sensor

What is the purpose of a backflow prevention device in refrigerator installations?

• To prevent contamination of the water supply

• To increase the water pressure

• To enhance the taste of water

• To reduce the temperature of water