Font size
Worksheets6035 | Processes LO1
Total questions: 11
Worksheet time: 8mins
R220 microbore copper sizes are?
6mm
8mm
10mm
15mm
22mm
R250 copper is?
Soft coiled copper
Half hard copper
Hard copper
Scenario: You arrive at a customers property to find a pipe wrapped with chrome plating, what purposed does this have?
To identify the pipe as wholesome water
To identify the pipe as gas
For decorative finishing
For central heating identification
Work out the overall length of pipe.
Radius x 2 x 3.14
4
450mm
356mm
94.2mm
544mm
What is the X-Dimension?
The centre of the fitting to the engaged lengths
The end of the pipe to the engaged fitting
Cutting the pipe to the exact length to ensure it fits to the centre lines
Match the Grades to the colour/use.
Heavy
Red - Steam and fire systems
Medium
Blue - Heating and oil lines
Light
Brown - Gas
Which of the following is not a form of supplied LCS pipework?
Self colour
Lead lined
Red oxide paint
Galvanised
Non-galvanised
Which of the following offers internal protection for LCS pipework?
Galvanised
Denso tape
Paint
Chemical inhibitor
Statement: The Z-Dimensions is the LCS equivalent and is identical to the X-Dimensions for copper.
True
False
A piece of 15mm LCS pipe would have a:
¼" thread
½" thread
¾" thread
1¼" thread
Which of the following is not suitable for hot water usage?
PVCu
HDPE
MDPE
ABS
