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