Cold Water Supply Systems L3P1,U5,LO2.1.p1

Which cold water supply system is the most common in use in the UK?

• Unvented system

• Indirect system

• Combination system

• Direct system

When is storage of cold water required in a cold water supply system?

• When the hot water supply is from a low pressure storage vessel

• When the hot water supply is from an unvented system

• When the hot water supply is from an instantaneous gas heater

• When the hot water supply is from a combination boiler

What type of valve is used for the cold feed to the secondary hot water system in the direct cold water supply system?

• Drain off valve

• Service valve

• Lever type spherical ball valve

• Full way gate valve

In which cold water supply system is storage of cold water not required?

• Combination system

• Unvented system

• Direct system

• Indirect system

According to BS8558, how should the size of the cold water cistern be determined?

• Based on the water pressure in the area

• Based on the number of occupants in the dwelling

• Based on the property's size

• Based on the number of appliances

What is the purpose of the indirect cold water supply system?

• To reduce the need for cold water storage

• To provide high water pressure

• To supply all appliances directly from the water main

• To have a back-up of stored water in case of mains failure

What is the recommended location for installing the cold water cistern?

• In the basement

• As low as possible

• As high as possible

• In the roof space