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WorksheetsL2 Common Plumbing Processes PT1
Total questions: 10
Worksheet time: 5mins
How many millimetres are there in one meter?
1000
100
10
10000
How many millemetres are there in one centimetre?
1000
100
10
10000
What size of copper tube can hand held scissor benders form?
15mm and 22mm
22mm and 28mm
28mm and 35mm
All of the above
Copper bought in half hard straight lengths is:
R220
R290
R250
R230
When using copper pipe, the 'X' dimension is:
The centre of the fitting to the engaged length
The edge of the fitting to the edge of the pipe
The centre of the fitting to the end of the pipe
The engaged length to the end of the pipe
What grade of LCS pipe is commonly used in central heating systems?
Heavy
Medium
Light
Rough
What colour code identifies heavy grade LCS?
Blue
Green
Red
Brown
What item is commonly used to securely clip LCS in place?
Push fit clip
Plastic saddle clip
Munson Ring
Fusion ring
Which plastic is commonly used for underground mains?
PVCu
HDPE
Polybutylene
MDPE
When using push fit fittings on polybutylene, what additional item is required?
Internal pipe sleeve
External pipe clip
Extra 'O' ring for high pressure situations
Jointing compound
