Cold Water - Mock Exam

Details of the minimum amount of headroom required above a Cold Water Storage Cistern, to enable maintenance work, can be found in the

• Installation plan

• Construction Regulations

• Job specification

• Water Regulations Guide

The minimum diameter of an incoming cold water service pipe to a dwelling is

• 15 mm

• 12 mm

• 22 mm

• 28 mm

The incoming water flow rate to a property has been confirmed as 6 litres / minute. What is this reading in litres / second?

• 0.06 l / s

• 0.1 l / s

• 0.12 l / s

• 0.6 l / s

Which one of the following is not approved for use in Cold Water Systems installation?

• Push fit copper fittings.

• Solder fittings with lead solder.

• Type ‘A’ compression fittings.

• Type ‘B’ compression fittings.

A Cold Water System where all cold water draw-off points, except the draw-off point at the sink, are fed from a storage cistern is called

• a Direct Cold Water System

• an Indirect Cold Water System

• a Combined Cold Water System

• a Secondary Cold Water System

A Cold Water Service pipe to a dwelling should be laid between

• 550 mm and 1000 mm below ground level

• 650 mm and 1350 mm below ground level

• 750 mm and 1350 mm below ground level

• 750 mm and 2000 mm below ground level

The correct tool for cutting holes in a plastic Cold Water Storage cistern is a

• keyhole saw

• hole saw

• pre-heated piece of copper pipe

• sharpened piece of steel pipe

The British Standard symbol shown in Figure 1 indicates a

• float valve

• check valve

• service valve

• drain valve

With reference to Cold Water Storage cisterns, a common warning and overflow pipe should be used with cisterns of less than which of the following capacities?

• 1000 litres

• 1500 litres

• 2000 litres

• 2500 litres

Which one of the following should be positioned immediately above the cold water supply stop valve, near the point of entry to a building?

• Servicing valve

• Automatic air release

• Drain valve

• Float operated valve