WorksheetsUnit 204: Common plumbing processes — Sample questions
Total questions: 20
Worksheet time: 10mins
Which one of the following does not form part of the commissioning process?
Soundness testing
Visual inspection
Flushing the system
Fitting plumbing appliance
Which one of the following parts of the Building Regulations deals with building structure?
Part A
Part B
Part F
Part L
What does LCS stand for?
Long Coil Strand
Low Carbon Steel
Low Copper Steel
Loose Cover Sheet
Which one of the following should be used to protect the area you are working in?
Safety shoes
Plywood
Dust sheets
Heat mat
Which one of the following is the correct horizontal clipping interval for 15mm copper tube?
1.2m
1.5m
1.8m
2.0m
At what point should an inhibitor be added to a central heating system during commissioning?
During the first flush
Before flushing
During the final fill of the system
Before cleaning the pipework
Which one of the following types of screw is shown in the image below?
Phillips
Pozidrive
Slotted
Mirror
Which one of the following grades of copper is used for microbore central heating pipework?
R220
R250
R290
R300
Which specialist tool may be required when removing the body of a non-rising pillar tap?
Stillson
Basin wrench
Circlip pliers
Adjustable spanner
What type of fitting is shown in the image below?
Compression tee
Compression coupling
Compression elbow
Compression tank connector
What is the name of the tool shown below?
Mole grips
Stillson
Basin wrench
Spirit level
Which one of the following types of fitting would most likely be used to joint polybutylene pipes together?
Soldered
Threaded
Solvent weld
Push fit
Which one of the following sets of tools should be used to cut a waste hole in brickwork?
Claw hammer and bevel edge chisel
Ball pein hammer and screwdriver
SDS drill with diamond core drill
SDS drill with hole saw
Which one of the following would require the application of flux?
Soldering two pieces of copper pipe together using end feed capillary fittings
Threading steel pipe
Jointing steel pipework
Jointing two pieces of copper pipe together using press fit fittings
Sleeving pipework helps to prevent which of the following?
Movement of pipework
Damage from corrosion
Damage from pipe movement
Cleaning of pipework
What component does the symbol below represent?
Stop valve
Gate valve
Service valve
Motorised valve
Which one of the following tools is used to form LCS?
Hand bender
Hydraulic bender
Scissor type bender
Tube bender
A customer’s joist has a span of 4m – how near to the supporting wall can the notch start?
350mm
315mm
280mm
265mm
A plumber would use the assembly drawings for an appliance when
Installing the hot and cold pipework
Before commissioning an appliance
When setting the temperature controls of the appliance
When identifying a spare part
The maximum safe vertical chasing depth for a wall is
One-third of the depth of the wall
One-quarter of the depth of the wall
Half of the depth of the wall
One-eighth of the depth of the wall
