GMJ 6035 level 2 cold water no.3

What type of tool is shown in the photograph below?

• circlip pliers

• tap re-seating tool

• tank cutter

• bolster chisel

A plastic cold-water cistern must be:

• Directly sat on at least two rafters

• Directly sat on at least three rafters

• Directly sat on, 100mm x 50mm timbers

• Sat on firm, level board covering entire base

What type of plumbing fitting can be used to control the water pressure supplied to a shower?

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The most likely cause of low water pressure in the cold water supply pipe to a kitchen tap in a direct system, is that:

• A cold distribution pipe service valve is closed or faulty

• There is a burst on the cold supply

• The cold water cistern is empty

• The service valve to the cistern float valve is closed

What is the name of the piece of equipment shown in the photograph?

• weir guage

• power flushing kit

• manometer

• hydraulic test pump

What name is given to the spacer used when fixing a pillar tap to a stainless steel sink unit?

• poly washer

• top hat washer

• square edge washer

• tap tightening washer

Before starting work on a lengthy maintenance job requiring the isolation of the water supply a plumber’s first course of action should be:

• Make sure the system has been flushed out

• Turn off the supply and tell the customer not to use any taps

• Turn off the supply and drain down all of the system pipe work

• Advise the customer that the supply is going to be turned off

Which one of the following types of joint should be used to make a connection between existing lead supply pipe and copper pipe?

• Capillary joints

• Wiped lead joint

• Proprietary ‘leadloc’ type joint

• Screwed and threaded joint

When installing a new indirect cold water system, which of the following should happen, according to the Water Regulations?

• One tap, normally the kitchen sink, should be drawn directly from the supply pipe

• One tap, normally the kitchen sink, should have a dedicated distribution pipe from the storage cistern

• Mixer taps will require double check valves

• Mixer taps should never be installed due to the pressure differences.

According to BS6700 and the Water Regulations, a drain off valve should be installed:

• At every draw off point

• At every high point in the system

• At every low point in the system

• Above the cold water storage cistern.