WorksheetsQuality Assurance Bodies Quiz
Total questions: 59
Worksheet time: 30mins
Which body is responsible for the Water Regulations Advisory Scheme?
BBA
BRE
WRAS
IOPHE
What does the British Standard Kitemark signify?
Quality assurance for plumbing installations
Building Research Establishment
British Board of Agrément
Institute of plumbing and heating engineers
Which organization offers advice and information on building research?
WRAS
BRE
BBA
IOPHE
What does BBA stand for?
British Board of Agrément
Building Research Establishment
British Standard Kitemark
Water Regulations Advisory Scheme
Which body provides guidance for plumbing and heating engineers?
WRAS
BBA
BRE
IOPHE
What is the standard for copper tubes for water, gas, and sanitation installations?
BS EN 1057
BS EN 2057
BS EN 3057
BS EN 4057
Which grade of copper tube is fully annealed and supplied in coils?
R220
R250
R290
R300
Which grade of copper tube is most widely used for plumbing and heating applications?
R220
R250
R290
R300
Which grade of copper tube is hard tempered and not normally used in the UK?
R220
R250
R290
R300
What sizes are available for the R220 grade copper tube used for underground water services?
15, 22, 28mm
6, 8, 10mm
35, 42, 54mm
3m or 6m
Why is it important to protect copper pipes in vulnerable areas?
To make them look shiny
To prevent them from getting damaged
To make them heavier
To change their color
What materials can be used to protect copper pipes?
Plastic coated and Densotape
Wood and paper
Glass and metal
Cloth and rubber
When is copper most vulnerable?
When laid in concrete flooring and when it emerges from the floor
When exposed to sunlight
When painted
When used in electrical wiring
Which type of copper tube can be bent using bending springs, hand bender, or machine floor standing bender?
Soft coils (R220 Table Y) and half-hard (R250 Table X)
Hard coils (R300 Table Z)
Flexible coils (R150 Table W)
Rigid coils (R400 Table V)
What is one advantage of bending pipe rather than using a fitting?
More frictional resistance
Costs more
Less frictional resistance
Takes longer to fabricate
Which tool is NOT mentioned for bending copper tubes?
Bending springs
Hand bender
Machine floor standing bender
Pipe cutter
What is the maximum diameter for a machine floor standing bender mentioned in the text?
50mm
42mm
30mm
60mm
Which of the following is NOT an advantage of bending pipe rather than using a fitting?
Less frictional resistance
Costs less
Sections can be prefabricated in one go
Increases weight
What are bending springs occasionally used for by plumbers?
To cut pipes
To bend an existing piece of pipe without creasing it
To measure the length of pipes
To join two pipes together
Are internal and external bending springs used frequently today?
Yes, they are used very often
No, they are not used much today
They are never used
They are used only in factories
What is the first step in using a bending machine?
Measure the distance required and mark it on the tube.
Measure back four diameters of the tube size.
Place the 4d mark on the bending machine.
Bend the tube to 90 degrees.
How many diameters back should you measure from the mark on the tube?
Two diameters
Three diameters
Four diameters
Five diameters
What should you do after measuring back four diameters of the tube size?
Bend the tube to 90 degrees.
Place the 4d mark on the bending machine.
Measure the distance required.
Mark the tube.
Where should you place the 4d mark on the tube?
On the guide
On the former
On the 'start-of-the-bend' mark on the bending machine
On the bending point
What is the final step in using a bending machine?
Measure the distance required.
Measure back four diameters.
Place the 4d mark on the bending machine.
Bend the tube to 90 degrees.
Which of the following is a common bend you will do in the workshop?
90°
45°
Offset
All of the above
What is another name for the "Half pass over" bend?
Kick over
Full pass over
Back to back
Offset
Which of the following is a method of jointing for copper tubes for domestic purposes?
Welding
Capillary fittings
Soldering
Brazing
Which of the following is NOT a method of jointing for copper tubes for domestic purposes?
Compression fittings
Push-fit fittings
Press-fit fittings
Riveting
How many methods of jointing for copper tubes for domestic purposes are mentioned?
Two
Three
Four
Five
What principle do capillary fittings use to draw solder into the fitting?
Gravity
Capillary action
Magnetic force
Electrical current
What is a characteristic of an integral solder ring fitting?
It needs extra solder to be fed into the fitting.
It has a band of lead-free solder housed inside a raised ring.
It is generally used due to cost and aesthetics.
It does not use any solder.
Why is the end feed type of fitting generally used?
It is easier to install.
It is more durable.
It is preferred due to cost and aesthetics.
It does not require heating.
What is the first step in the process of solder ring fittings?
Flux is added.
Joint is cleaned inside.
Pipe is cleaned on outside.
Joint is heated to allow solder to flow.
What is done after the pipe is cleaned on the outside in the solder ring fittings process?
Joint is cleaned inside.
Joint is heated to allow solder to flow.
Flux is added.
Joint is allowed to cool.
What is the purpose of heating the joint in the solder ring fittings process?
To clean the joint inside.
To allow solder to flow.
To add flux.
To wipe the joint clean with cloth.
What is the final step in the solder ring fittings process?
Joint is allowed to cool.
Flux is added.
Joint is wiped clean with cloth.
Pipe is cleaned on outside.
What is the first step in the end feed fitting process?
Pipe is cleaned on outside.
Joint is cleaned inside.
Flux is added.
Solder needs to be added when fitting is heated.
When should solder be added in the end feed fitting process?
When the joint is cleaned inside.
When the pipe is cleaned on outside.
When the fitting is heated.
When the joint is allowed to cool.
What type of solder must be used on hot and cold water systems?
Leaded solder.
Silver solder.
Lead-free solder.
Copper solder.
What is done after the joint is allowed to cool in the end feed fitting process?
Flux is added.
Joint is wiped clean with cloth.
Pipe is cleaned on outside.
Solder needs to be added.
What are the two styles of compression fittings mentioned in the document?
Type A and Type B
Type A and Type C
Type B and Type C
Type C and Type D
What does a Type A compression fitting require?
Cutting the pipe square and removing burrs
Heating the pipe
Welding the pipe
Gluing the pipe
What tool is used to tighten a Type A compression fitting?
Adjustable spanner
Hammer
Screwdriver
Pliers
What materials are suitable for Type A compression fittings?
Half-hard copper and plastic pressure pipe
Steel and aluminum
Wood and plastic
Glass and ceramic
What materials are push-fit fittings for copper tubes made from?
Plastic or aluminum
Copper or DZR brass
Steel or iron
Rubber or silicone
What sizes are push-fit fittings available in?
5-20mm
10-54mm
15-60mm
20-70mm
Where can push-fit fittings be used?
Underground water services
Above ground hot and cold water services and central heating systems
Electrical wiring systems
Gas pipelines
What tool is required for press-fit fittings?
Hammer
Electrical press tool
Screwdriver
Wrench
What is the purpose of the 'O' ring in press-fit fittings?
To create a watertight seal
To hold the fitting in place
To make the fitting look nice
To increase the pressure
What is the maximum tube size that press-fit fittings can suit?
50mm
108mm
200mm
12mm
At what temperature can press-fit fittings operate up to 6 bar pressure?
0°C
50°C
110°C
200°C
What is the term used by manufacturers to work out how much copper tube is required?
Y dimensions
Z dimensions
X dimensions
W dimensions
What does the X dimension represent?
The length of the copper tube
The centre of the fitting to the engaged length
The diameter of the fitting
The thickness of the copper tube
What do you need to know to calculate the pipe length using X dimensions?
The type of fittings and the centre-to-centre measurement
The diameter of the pipe
The thickness of the pipe
The weight of the pipe
What is the colour code for light grade low carbon steel (LCS) pipe?
Brown
Blue
Red
Green
Which grade of low carbon steel (LCS) pipe is identified by the colour blue?
Light
Medium
Heavy
Extra Heavy
What is the colour code for heavy grade low carbon steel (LCS) pipe?
Brown
Blue
Red
Yellow
For what purposes should low carbon steel (LCS) pipe not be used?
Wet central heating systems
Gas installations
Oil lines
Hot or cold water supplies for domestic purposes
