WorksheetsProcesses revision
Total questions: 23
Worksheet time: 23mins
Which bracket is more suitable for low carbon steel pipe?
Plastic nail type
Plastic stand off
Copper saddle
Steel munson ring
15mm and 22mm copper pipe is also known as?
R 220 soft coil
R220 Hard coil
R250 Half hard copper
R290 hard lengths
What is the maximun hole you can drill in a 150mm floor joist
12mm
22mm
37mm
57mm
before carrying out a soundness time on new pipework what must you do first?
Check the flow rate
ensure there are no open ends
inspect signs of soapy discharge
test to 1 1/2 times the working pressure
A Gate valve is designed for
High water pressure
Natural Gas
Low water pressure
Central; heating only
End feed elbow
Solder ring tee
Stock and die set
What is this picture of?
LCS pipe bender
Copper pipe bender
SDS drill
Bench press
Brass is an alloy made from
Copper and tin
Zinc and copper
Copper and aluminium
Bronze and copper
The definition of an alloy is:
It is magnetic
It is a mixture of two or more metals
It is always coloured silver
The main property of the material is heat retention
MDPE plastic is used for:
Underground cold water supplies
Above ground cold water supplies
Underground hot water supplies
Above ground hot water supplies
Polybutylene can be used for:
Guttering
Downpipes
Waste pipes
Central heating pipes
Ceramics are used for:
Insulation on cold water pipework
Kitchen cupboard doors for hygiene
Sanitary appliances
Filtration systems for swimming pools
Which of the following is a ferrous metal?
Brass
Copper
Cast iron
Aluminium
Which material can de-zincification take place in?
Aluminium
Brass
Copper
Coal
Which of the following is a build-up of limescale likely to produce:
Unsightly evaporation
Restrictions in flow
Dezincification
Erosion
What is the tool shown used for in copper plumbing?
smoothing rough edges
compresing the joint together
cutting the pipe
testing for leaks
What is the name of the sealing ring used in compression fittings?
Olive
copper ring
compression ring
engagement ring
What is the advantage of the tap connector pipe shown?
looks attractive
resists hot water
makes alignment of pipe to tap easier
it can be cut to correct length
What is the name of the tool shown ?
pipe wrench
drain blockage remover
pipe bender
spring compressor
the gas used in the tool shown would normally be
hydrogen
butane/ propane
carbon dioxide
oxygen/ calor
The tool shown is designed specifically to ...
tighten taps to basins
unblock sinks
tighten / loosen compression fittings
put bends in copper pipework
