Cold Water 2.3

What is the capacity range of the storage cistern fitted with BS 1212 part 2 FOV in a direct system?

• 50-100 litres

• 100-150 litres

• 150-200 litres

• 200-250 litres

In a direct system with a combination boiler, what is the state of stored water?

• There is a large amount of stored water.

• There is a small amount of stored water.

• There is no stored water at all.

• There is intermittent stored water.

Which type of hot water system is similar to a direct system with a combination boiler?

• Vented hot water system

• Water-jacket-heater hot water system

• Gravity-fed hot water system

• Solar hot water system

Which of the following is an advantage of a direct system in plumbing?

• Pressure varies during the day

• Potable or wholesome water at every draw off point

• Care when fitting showers/mixer taps

• If the mains is turned off you are without water

What is a disadvantage of a direct system in plumbing?

• Good pressure at all draw off points

• No concerns about storage cisterns in lofts

• If the mains is turned off you are without water

• Potable or wholesome water at every draw off point

In an indirect system, where is the cold water taken from?

• Directly from the mains

• From a high-level storage cistern

• From the kitchen sink

• From a low-level storage cistern

Which outlet is mains-fed to supply wholesome or potable water in an indirect system?

• Bathroom sink

• Kitchen sink

• Shower

• Toilet

Which of the following is an advantage of an indirect system in plumbing?

• More pipework in roof space – risk of freezing

• Only one draw-off point gives potable water

• Stored supply of cold water, should mains be turned off

• More expensive to install

What is a disadvantage of an indirect system in plumbing?

• The system pressure is unaffected by peak time demand

• Stored supply of cold water, should mains be turned off

• More expensive to install

• The system pressure is affected by peak time demand

Which of the following is NOT a disadvantage of an indirect system in plumbing?

• More pipework in roof space – risk of freezing

• Only one draw-off point gives potable water

• The system pressure is unaffected by peak time demand

• More expensive to install