Worksheetsunit 113 powerpoint 2
Total questions: 18
Worksheet time: 9mins
Which table corresponds to the R250 designation in the new BSEN1057?
Table X
Table W
Table Y
Table Z
What is the diameter range for annealed coils for underground use?
15-22 mm
6, 8, 10 mm
12, 15, 22 mm
28 mm and larger
What is the large bore diameter range?
28 mm and larger
6, 8, 10 mm
12, 15, 22 mm
15-54 mm
What is the recommended action when copper pipes emerge from the floor?
Leave them exposed
Wrap them with denso tape
Paint them
Cover with plastic
What type of reducers are mentioned in the document?
Internal and external
Horizontal and vertical
Large and small
Fixed and adjustable
What is required for a piece of pipe before using a Type A non-manipulative fitting?
The pipe must be painted.
The pipe must be cut square and the burrs removed.
The pipe must be heated.
The pipe must be bent.
How is the fitting assembled in a Type A non-manipulative fitting?
Using glue.
Using a hammer.
With an olive and tightened using an adjustable spanner.
With nails.
What type of pipes is the Type A non-manipulative fitting suitable for?
Only plastic pipes.
Only steel pipes.
Half-hard copper and plastic pressure pipes.
Only aluminum pipes.
In Step 2 of jointing a copper pipe, what is inserted into the fitting socket?
Compression nut
Compensating ring
Adapter piece
Spanner
What is the purpose of the compensating ring in the jointing process?
To cut the tube
To flare open the end
To slip over the tube
To tighten the fitting
What is one of the components labeled in the diagram for copper pipe jointing?
Nut
Grab ring
Washer
Bolt
Which component is inserted into the fitting body in a push fit joint?
Nut
Tube
Washer
Bolt
What is the main advantage of using push fit joints for copper pipes?
Requires welding
Easy to install
Needs soldering
Requires threading
What types of pipes can push fit joints be used on?
Only plastic pipes
Only copper pipes
Plastic or copper pipes
Steel pipes
What is a key aesthetic benefit of using brass 'Tectite' style fittings?
They are more aesthetic
They are cheaper
They are more durable
They are easier to install
What is the primary function of a grab ring in a push fit joint?
To seal the joint
To hold the tube in place
To provide insulation
To prevent leaks
Which material is commonly used for Type A non-manipulative fittings?
Brass
Plastic
Steel
Aluminum
What is the recommended method for cutting copper pipes before fitting?
Using a hacksaw
Using a pipe cutter
Using a grinder
Using a chisel
