L2 Common Plumbing Processes PT1

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