HW - Design Temperatures in Plumbing

What is the maximum temperature for distributed water in a plumbing system?

• 43ºC

• 50ºC

• 60ºC

What is the maximum temperature that the water supplied should not exceed in cases where water is blended at a lower temperature?

• 40ºC

• 43ºC

• 45ºC

British Standard BS EN 806 parts 1 to 5 covers:

• Water supply systems inside buildings

• Electrical wiring regulations

• Fire safety standards

• Building construction materials

Which British Standards should be read in conjunction with each other?

According to Part 3 of the Building Regulation approved document G3, what is the maximum temperature that the stored water should not exceed?

• 100°C

• 90°C

• 80°C

• 70°C

What is the required water temperature for terminal fittings to sanitary and other appliances according to G18.4?

• A. 40°C

• B. 50°C

• C. 60°C

• D. 70°C

According to the approved document G3, what is the maximum temperature that water should be discharged at the outlets in communal showers in schools or public buildings?

• 40ºC

• 43ºC

• 45ºC

• 50ºC

The circulating pump should be controlled by a timer in a secondary circulation system because:

• It reduces energy consumption.

• It increases water pressure.

• It prevents water leakage.

• It enhances system durability.

In a secondary return system, what should the return temperature to the calorifier be?

• 60°C

• 50°C

• 70°C

• 80°C

What is the temperature range of instantaneous heaters?

• A) 25ºC to 45ºC

• B) 35ºC to 55ºC

• C) 45ºC to 65ºC