Font size
Worksheetsplumbing and heating
Total questions: 45
Worksheet time: 24mins
What is the most important ppe when using a large hammer drill?
Dust mask
Hi vis jacket
Safety goggles
Barrier cream
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 combi boiler provides........
Heating and hot water
Hot water only
Central heating only
Condensation to all outlets
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 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
Hardness describes the ability of a material to resist scratching, bending, abrasion and cutting.
TRUE
FALSE
The term 'conductivity' can refer to both electrical and thermal.
True
False
Ductility is the ability of a material to withstand being pulled, pushed or stretched without breaking.
True
False
Malleability describes the capacity for a material to be cut cleanly by two opposing forces
True
False
The hardest material known to man is carbide
True
False
Which material can de-zincification take place in?
Aluminium
Brass
Copper
Coal
True or false: Soft water is acidic.
True
False
Which of the following is a build-up of limescale likely to produce:
Unsightly evaporation
Restrictions in flow
Dezincification
Erosion
At what temperature is limescale formed in temporary hard water?
65ºC
55ºC
45ºC
35ºC
For rust to form in a plumbing system, which of the following combination of materials/substances must be present?
Water + Limescale + Iron
Oxygen + Iron + Water
Oxygen + Brass + Iron
Iron + Water + Brass
Copper pipe diameter can be which two outside diameters?
16 mm
15mm
20mm
22mm
What is the advantage of the plumbing fixing illustrated?
they are cheap
they can connect to plastic and copper
they can be dissassembled
they cannot leak
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 name is given to the part in a home that isolates the water flow to the property?
water gate
stop tap
emergency cut off valve
water main
What is the name of the tool shown ?
pipe wrench
drain blockage remover
pipe bender
spring compressor
the purpose of a P trap illustrated is..
to save wasting water
to collect waste water from a sink or bath
to stop spiders getting into the home
to prevent foul water smells from drains
the purpose of a P trap illustrated is..
to save wasting water
to collect waste water from a sink or bath
to stop spiders getting into the home
to prevent foul water smells from drains
the gas used in the tool shown would normally be
hydrogen
butane/ propane
carbon dioxide
oxygen/ calor
the material used to clean up copper pipes prior to soldering would be
sandpaper
wire brush
copper acid
fine wirewool
the material used to clean up copper pipes prior to soldering would be
sandpaper
wire brush
copper acid
fine wirewool
plumbers have to work with...
heating systems
gas supplies
drainage and foul water
water supply
all of the work listed
the tool illustrated is known as
pliars
mole grips
adjustable grips
adjustable spanner
The tool shown is designed specifically to ...
tighten taps to basins
unblock sinks
tighten / loosen compression fittings
put bends in copper pipework
