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Common Plumbing Processes 6035-02

Total questions: 37

Worksheet time: 19mins

Name
Class
Date
1.

What type of joint is shown?

a)

Press-fit

b)

Push-fit

c)

Type B compression

d)

Type A compression

2.

Which type of copper fitting requires solder wire to make the joint?

a)

b)

c)

d)

3.

What type of fitting requires a swaging tool to make the joint?

a)

Type A compression

b)

Type B compression

c)

Endfeed

d)

Pushfit

4.

What grade of copper tube is used for below- ground water supplies?

a)

R220 Microbore

b)

R250 Half hard

c)

R220 Annealed coil

d)

R290 Hard thin walled

5.

What type of bending machine is required to form bends in low carbon steel pipework?

a)

Hand bender

b)

Hydraulic bender

c)

Stand bender

d)

LCS threader

6.

Medium-grade LCS is identified by what colour coded banding?

a)

Red

b)

Brown

c)

Blue

d)

Yellow

7.

Which of these are NOT a type of protection for LCS pipework

a)

Galvanised

b)

Denso tape

c)

Chemical

d)

Expanding foam

8.

LCS is made from:

a)

99.85% iron and 0.15% carbon

b)

79.25% steel and 20.75% iron

c)

91.5% steel and 8.5% carbon

d)

98.95% carbon and 1.05% iron

9.

Statement: All grades have the same outside diameter, but the heavier the grade the smaller the bore.

a)

TRUE

b)

FALSE

10.

What is the maximum recommended clip spacing interval for a 22mm vertical copper pipe?

a)

1.2m

b)

1.8m

c)

2.4m

d)

3.0m

11.

The component shown here is:

a)

Self-cutting fixing

b)

Expanding metal cavity fixing

c)

Wall anchor

d)

Spring toggle fixing

12.

The horizontal and vertical clipping distances for 15mm plastic pressure pipe is:

a)

0.7m and 1.4m

b)

0.4m and 0.8m

c)

0.6m and 1.2m

d)

0.5m and 1.0m

13.

Sheradised type screws are:

a)

Limited to outdoors use only

b)

Limited to indoors use only

14.

Brass, Stainless steel and Zinc screws are beneficial of outdoor use due to:

a)

Being expensive screws

b)

Having a decorative finish

c)

Effectiveness in dry conditions

d)

Being corrosion resistant

15.

What is the term used to work out how much copper tube is required, providing you know the centre-to-centre measurement?

a)

T-Dimension

b)

X-Dimension

c)

Z-Dimension

d)

M-Dimension

16.

LCS threads cannot be made using a:

a)

Handheld threader

b)

Handheld die

c)

Electric threading machine

d)

Large hacksaw

17.

PVCu soil and waste pipe comes in diameter sizes: 110mm, 50mm, 40mm, 32mm and...

a)

21.5mm

b)

28mm

c)

22mm

d)

16.5mm

18.

When marking out, and before drilling, check for any buried pipes or cables using:

a)

Cable detector

b)

Stud detector

c)

Metal detector

d)

Pipe detector

19.

The length of joists is measured as:

a)

Span

b)

Width

c)

Height

20.

Approved document A sets out requirements for notching is that a notch is ONLY cut within:

a)

7% and 25%

b)

12.5% and 25%

c)

25% and 40%

21.

Approved document A sets out requirements for notching is that the depth of a notch must not exceed:

a)

1/6 the diameter of the joist

b)

1/4 the diameter of the joist

c)

1/2 the diameter of the joist

d)

1/8 the diameter of the joist

22.

Approved document A sets out requirements for drilling is that any hole should be centre and within:

a)

40% and 75% of the span

b)

7% and 25% of the span

c)

25% and 40% of the span

23.

Approved document A sets out requirements for drilling that any hole must be at least 3 diameters away from each other and:

a)

No bigger than 1/3 of the depth

b)

No bigger than 1/4 of the depth

c)

No bigger than 2/5 of the depth

d)

No bigger than 1/2 of the depth

24.

A pipe guard may be used in cases of notches to protect against:

a)

Screws and nails

b)

The environment

c)

Expansion and contraction

d)

Touching other pipework

25.

The symbol shown here is:

a)

Double check valve

b)

Service valve

c)

Shut-off valve

d)

Single check valve

26.

The symbol shown here is:

a)

Service valve

b)

Drain valve

c)

Double check valve

d)

Gate valve

27.

The symbol shown here is:

a)

Gate valve

b)

Service valve

c)

Shut-off valve

d)

Motorised zone valve

28.

The symbol shown here is:

a)

Shut-off valve

b)

Service valve

c)

Radiator valve

d)

Two-port motorised valve

29.

The symbol shown here is:

a)

Pump

b)

Double check valve

c)

Service valve

d)

Relief valve

30.

A _______ show an area, generally the whole site so you can locate a specific property and the access to it

a)

Service layout

b)

Working drawing

c)

Building plans

d)

Site plan

31.

Site plans are generally drawn in a scale of: (select 2)

a)

1:500

b)

1:2500

c)

1:100

d)

1:2

e)

1:1250

32.

A ___________ details a specific property, showing dimensions of rooms, locations of windows, doors, guttering, soil pipes etc.

a)

Building Plan

b)

Manufacturers Instruction

c)

Working drawing

d)

Assembly drawing

33.

Buidling plans are drawn in a scale of:

a)

1:100

b)

1:1000

c)

1:50

d)

1:500

34.

Working drawings are drawn in a scale of:

a)

1:10

b)

1:25

c)

1:50

d)

1:100

35.

Pipework in a BLUE identification coating is:

a)

Gas

b)

Wholesome water

c)

Central heating

d)

Non-potable water

36.

Pipework in a YELLOW identification coating is:

a)

Central heating

b)

Gas

c)

Non-potable water

37.

To accurately work out the length of pipe to be bent, the correct formula is?

a)

b)

c)