Cold Water Mock Test 1

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

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

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

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

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 Cold Water Service pipe to a dwelling should be laid between

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

The British Standard symbol shown in Figure 1 indicates a

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?

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

Which one of the following methods of jointing copper tube should not be used for underground service pipe connections?

When the cylinder cold feed and a cold distributing pipe are connected to the same cold water storage cistern, the

Which one of the following pipes should be connected to a cold water storage cistern by means of a filtered connection?

Which one of the following must not be used for making connections between systems pipework and cold water storage cisterns?

The Water Regulations require that the soundness test period on accessible copper cold water supply pipes shall be for

Which one of the following shows the type of soundness test required by the Water Regulations for Cold Water systems?

When building or water systems plans are not available, it can be established if the cold water system installed in a dwelling is a direct or an indirect supply system by

Major refurbishment is being carried out on a large occupied dwelling. Which one of the following should be advised before the cold water supply to the dwelling is taken out of service?

Which one of the following must be carried out prior to commencing work on moving an instantaneous electric water heater, from over a sink to a new position?

The Cold Water supply pipe at the supply stop valve must be cut or disconnected and blanked off

When a cold water system is temporarily decommissioned to permit maintenance work, it is advisable to place a warning notice saying 'do not turn on' when

A record of the decommissioning of a cold water system should be completed for

Information regarding the maintenance requirements for a shower mixer can be found in

Which of the following is most likely to present a water contamination risk?

Which one of the following trades may require a temporary cold water supply when the main supply is to be isolated for maintenance purposes?

Ceramic discs would be required to carry out maintenance on a

In which one of the following cold water components is it possible to replace the valve seating?

Safe access equipment will usually be required when working on

The performance specification for a water softener can be found in the

Statutory requirements covering the capacity of WC cisterns can be found in the

Which one of the following system components is maintained by checking the spindle action for ease of opening and closing after tightening the packing gland?

Which one of the following system components is maintained by checking the opening and closing action and adjusting for correct water level?

A plumber cannot rectify a fault with a plumbing system. On leaving the property, which of the following is the best course of action to avoid a potential complaint from the customer in the future?

A plumber finds that routine servicing and maintenance of a sink mixer valve does not correct a fault in the component. The plumber should

It is necessary to carry out maintenance on the cold water supply stop valve in an office block. The work is not expected to take longer than 3 hours, and the system is a Direct Cold Water System. The appropriate action required to minimise cost and inconvenience would be to

The minimum distance below the invert of the warning pipe, at which the water level should be set in a cold water storage cistern after re-washering the float valve, is

Which one of the following installation practices helps to reduce noise in copper pipework?

A supply pipe is leaking where it enters a house in a tiled shower room. The pipe is copper, the leak is just above floor level and the pipe in the area of the leak is green. The most likely cause of the problem would be that the pipe

When a screw down pillar tap on a sink drainer is opened, there is a high pitched vibration or whistling noise. The probable cause is that

When a cold water sink pillar tap is turned off quickly, there is a loud banging from the pipe duct in which the supply pipe rises to the bathroom, and cold water storage cistern. The appropriate action to rectify this problem is to

Water Regulations do not permit the fixing of rigid screw-in type silencer tubes to float valves, because such devices

The amount of noise being caused by a float valve in a storage cistern can be reduced by

The renewal of a section of copper pipework to a washbasin has to be left overnight for completion the next day. Which one of the following precautions should be taken in addition to closing the service valves to the wash basin?

When renewing a cold feed and expansion cistern to an Indirect Domestic Hot Water System, the isolating valve to the cistern must be closed, and the

Before removing a section of copper pipework for maintenance purposes, all necessary controls must be closed, appropriate sections of pipework must be drained and