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GMJ 6035 plumbing processes

Total questions: 106

Worksheet time: 54mins

Name
Class
Date
1.

What kind of tools is shown here?

a)

Tripod bender

b)

Scissor bender

c)

Hydraulic bender

d)

Microbore bender

2.

What part of the scissor bender does the image show?

a)

Roller

b)

Former

c)

Guide

d)

Stop

3.

When would a mirror screw be used on?

a)

Toilet

b)

Bath panels

c)

Basin

d)

Radiator

4.

What symbol is shown here?

a)

Service valve

b)

2-port zone valve

c)

Double check valve

d)

Gate valve

5.

What angle is being shown here?

a)

135°

b)

100°

c)

90°

d)

45°

6.

The fixing shown is for what material?

a)

Wood

b)

Concrete

c)

Metal

d)

Plasterboard

7.

What plan would show the location sanitary appliances will be installed?

a)

Building plan

b)

Floor plan

c)

Site plan

d)

Detail plan

8.

Floorboards are commonly known as?

a)

Tongue and groove

b)

Chipboard

c)

Woodboard

d)

None of the above

9.

When removing floorboards, where possible you should cut:

a)

Cut over the joists

b)

Cut before the joist

c)

Cut after the joist

10.

When cutting a joist for a notch using a circular saw, you should set the saw to:

a)

Cut exactly to the maximum depth

b)

Cut past the maximum depth

c)

Cut less than the maximum depth

11.

1 The required distance between the centres of two equal tee fittings on a copper pipe is 500 mm. The 'X' dimension (centre of tee to end of pipe) of the tee fittings is 15 mm. The length of pipe required for an accurate measurement is:

a)

530mm

b)

500mm

c)

470mm

d)

485mm

12.

The horizontal and vertical clipping distance for 15mm copper pipe is:

a)

0.6m and 1.2m

b)

1.8m and 2.4m

c)

1.2m and 1.8m

d)

2.4m and 3.0m

13.

The image shows what tool?

a)

Scissor bender

b)

Small bender

c)

Microbore bender

d)

Hydraulic bender

14.

Building regulation part A requires that the maximum hole size permitted:

a)

1/2 of the depth

b)

1/3 of the depth

c)

1/4 of the depth

d)

1/8 of the depth

15.

Building regulation part A requires that the maximum notch size permitted:

a)

1/8 of the depth

b)

1/3 of the depth

c)

1/4 of the depth

d)

1/2 of the depth

16.

What type of fitting is shown in the image?

a)

Solder-ring

b)

Endfeed

c)

Pressfit

d)

Pushfit

17.

Pressfit fittings rely on what to make a watertight seal?

a)

Solder

b)

PTFE

c)

O-ring

d)

Olive

18.

What type of joint is shown?

a)

Press-fit

b)

Push-fit

c)

Type B compression

d)

Type A compression

19.

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

a)

b)

c)

d)

20.

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

a)

Type A compression

b)

Type B compression

c)

Endfeed

d)

Pushfit

21.

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

22.

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

23.

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

a)

Red

b)

Brown

c)

Blue

d)

Yellow

24.

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

a)

Galvanised

b)

Denso tape

c)

Chemical

d)

Expanding foam

25.

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

26.

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

a)

TRUE

b)

FALSE

27.

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

28.

The component shown here is:

a)

Self-cutting fixing

b)

Expanding metal cavity fixing

c)

Wall anchor

d)

Spring toggle fixing

29.

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

30.

Sheradised type screws are:

a)

Limited to outdoors use only

b)

Limited to indoors use only

31.

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

32.

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

33.

LCS threads cannot be made using a:

a)

Handheld threader

b)

Handheld die

c)

Electric threading machine

d)

Large hacksaw

34.

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

a)

21.5mm

b)

28mm

c)

22mm

d)

16.5mm

35.

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

36.

The length of joists is measured as:

a)

Span

b)

Width

c)

Height

37.

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%

38.

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

39.

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

40.

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

41.

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

42.

The symbol shown here is:

a)

Double check valve

b)

Service valve

c)

Shut-off valve

d)

Single check valve

43.

The symbol shown here is:

a)

Service valve

b)

Drain valve

c)

Double check valve

d)

Gate valve

44.

The symbol shown here is:

a)

Gate valve

b)

Service valve

c)

Shut-off valve

d)

Motorised zone valve

45.

The symbol shown here is:

a)

Shut-off valve

b)

Service valve

c)

Radiator valve

d)

Two-port motorised valve

46.

The symbol shown here is:

a)

Pump

b)

Double check valve

c)

Service valve

d)

Relief valve

47.

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

48.

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

49.

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

50.

Buidling plans are drawn in a scale of:

a)

1:100

b)

1:1000

c)

1:50

d)

1:500

51.

Working drawings are drawn in a scale of:

a)

1:10

b)

1:25

c)

1:50

d)

1:100

52.

Pipework in a BLUE identification coating is:

a)

Gas

b)

Wholesome water

c)

Central heating

d)

Non-potable water

53.

Pipework in a YELLOW identification coating is:

a)

Central heating

b)

Gas

c)

Non-potable water

54.

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

a)

b)

c)

55.

Identify the correct to tool for bending copper tube on site

a)

Scissor Bender

b)

Adjustable Spanner

c)

Plastic pipe cutters

d)

Hacksaw

56.

Identify the correct tool for tightening a compression fitting

a)

Scissor bender

b)

Adjustable spanner

c)

Plastic pipe cutter

d)

Circular saw

57.

Identify the correct tool for cutting polybutylene pipe

a)

Scissor bender

b)

Adjustable spanner

c)

Plastic pipe cutters

d)

Circular saw

58.

Identify the correct tool for cutting floor boards

a)

Core drill

b)

Plastic pipe cutter

c)

Circular saw

d)

Scissor bender

59.

Identify the correct tool for drilling a hole for a boiler flue

a)

A hacksaw

b)

A circular saw

c)

Scissor benders

d)

A core drill

60.

Identify which tool would be used for cutting low carbon steel pipe

a)

A hacksaw

b)

A core drill

c)

A circular saw

d)

Adjustable spanners

61.

State the checks to be made on a power tool before use

a)

The tool outer casing only.

b)

The tool body, cord and plug for damage and wear. The tool is the correct voltage for power supply. Has a valid PAT test.

c)

Check the tool for body damage only.

d)

Check the tool for damaged plug only.

62.

What grade of copper tube is used in most plumbing installations.

a)

R220

b)

R250

c)

R290

63.

End feed copper solder fittings

a)

Have solder held integral to the fitting.

b)

Require solder to be fed into the fitting from the end.

c)

Are compression fittings

d)

Are push fit fittings

64.

Solder ring fittings

a)

Require solder to be fed in from the end of the fitting.

b)

Have solder held integrally in the body.

c)

Are push fit fittings

d)

Are compression fittings

65.

What is the purpose of flux?

a)

to aid cleaning of oxides from the pipe surface and to aid the flow of solder into the fitting.

b)

To act as a sealer on compression fittings

c)

To aid thread cutting of LCS pipework

66.

Type A compression fittings are non-manipulative and are generally used for which applications

a)

Below ground

b)

Above ground

c)

Manipulated to flare the end of the pipe

67.

What do the initials LCS stand for?

a)

Low carbon Sulphur

b)

Large core steel

c)

Low carbon steel

d)

Lead carbon steel

68.

Which of the following types of thermoplastics would be used for the manufacturing of cold water storage cisterns?

a)

High density polyethylene

b)

Polypropylene

c)

Polybutylene

d)

Acrylonitrile Butadiene Styrene

69.

Select the correct image: Expansion vessel.

a)

b)

c)

d)

e)

70.

Where the main purpose for chrome coating the copper is for presentation, what is the main purpose for coating the pipes in colours like blue, yellow and white?

a)

For plumbers to know which pipe needs removing

b)

For plumbers to know what pipe needs a presentational look

c)

For the plumbers to be able to identify which pipe has what type of water

71.

The drill bit shown here is for what material?

a)

Masonry

b)

Wood

c)

Metal

d)

Ceramic/glass

72.

The name of the item shown here is known as?

a)

Arm

b)

Former

c)

Hook

d)

Slip

73.

A powdery substance would be present on brass fittings due to zinc oxide, what is this terminology known as?

a)

Manipulativation

b)

Deoxidation

c)

Dezincification

74.

The colour used to identify heavy grade Low Carbon Steel pipework is?

a)

Red

b)

Yellow

c)

Blue

d)

Brown

75.

How is a watertight seal kept with pushfit fittings?

a)

Soldering the joints

b)

Olives present and tightening of the nut

c)

Solvent welding the fitting

d)

Rubber o-rings present

76.

When would a mirror screw be used on?

a)

Securing toilets to the floor

b)

Securing bath panels in position

c)

Hanging basins

d)

Hanging radiators

77.

The image shown here is identified as:

a)

15mm brass pressfit elbow

b)

15mm brass pushfit elbow

c)

15mm type-A compression elbow

d)

15mm type-B compression elbow

78.

Identify: Rawl bolt.

a)

b)

c)

d)

e)

79.

Which of the following grades is not commonly available now but can still be found in older properties?

a)

R290

b)

R250

c)

R220

80.

Low carbon steel plpe is manufactured to BS 1387 and can be supplied to plumbers with a 'black paint' finish. Which of the following is not a type of manufactured LCS?

a)

Self colour

b)

Chrome plated

c)

Red oxide painted

d)

Galvanised

81.

Which one of the following sets of tools should be used to cut a waste hole in brickwork?

a)

Claw hammer and bevel edge chisel

b)

Ball peen hammer and screwdriver

c)

SDS drill with diamond core drill

d)

SDS drill with hole saw

82.

The formula shown here is used for what purpose?

a)

To accurately work out the length of the material around a bend

b)

To work how much material needs cutting off of the total length

c)

To accurately work out how much the material shrinks when bent

83.

Which of the following is not a correct jointing compound used on plastic pipework?

a)

O rings

b)

Rubber seals

c)

Fusion weld

d)

Hemp and paste

e)

Solvent weld

84.

When chasing in blockwork, what is the maximum depth that is permitted for vertical chases?

a)

1/4 of the wall thickness

b)

1/8 of the wall thickness

c)

1/6 of the wall thickness

d)

1/3 of the wall thickness

85.

The tool identified as a box spanner is?

a)

b)

c)

d)

86.

The image shown here is known as?

a)

Scissor bender

b)

Miniature scissor bender

c)

Microbore hand bender

d)

Stand bender

87.

Low carbon steel is identified as the brown caps meaning grade-light, but what is the light LCS pipe used for?

a)

Steam and fire systems

b)

Heating

c)

Oil lines

d)

Gas

88.

Identify: Expanding plastic wall plug

a)

b)

c)

d)

e)

89.

Type B compression fittings are:

a)

Non-manipulative fittings

b)

Manipulative fittings

90.

The fixing shown is for what material?

a)

Wood

b)

Concrete

c)

Metal

d)

Plasterboard

91.

Solder ring type fittings can be identified by which of the following description?

a)

A plastic made fitting, with rubber and plastic o-rings within the fitting keeping the water tight seal

b)

A copper made fitting, also be identified as 'endex'

c)

A copper made fitting with a deposit of solder manufactured into the fitting

d)

A copper made fitting with rubber o-ring compressed onto the pipe to create a water tight seal

92.

The tool identified as a immersion heater box spanner is?

a)

b)

c)

d)

93.

Identify this fitting

a)

Press fit equal tee

b)

Type A compression elbow

c)

End feed reducer

d)

End feed tee

94.

Identify this fitting

a)

Press fit equal tee

b)

Type A compression elbow

c)

End feed reducer

d)

End feed equal tee

95.

Identify this fitting

a)

Press fit equal tee

b)

End feed equal tee

c)

Type a compression elbow

d)

Compression end cap

96.

True or False

Push fit fittings are reusable

a)

True

b)

False

97.

When soldering a joint on a rising main, which one of the following must be used

a)

Leaded solder

b)

Hemp and paste

c)

'O' ring

d)

Lead free solder

98.

On a manipulative Type B compression fitting, what additional tool is required?

a)

Circlip pliers

b)

Club hammer

c)

Swagging tool

d)

Hydraulic clamping tool

99.

What do press fit fittings rely on to make a watertight seal?

a)

'O' ring

b)

Olive

c)

Compression ring

d)

Grab ring

100.

To keep the household and plumber safe from accidental electric shock, all exposed petal pipework should be:

a)

Temporary continuity bonded

b)

Equipotentially bonded

c)

Insulated

d)

Labelled

101.

What grade of LCS is commonly used on central heating systems?

a)

Heavy

b)

Medium

c)

Light

d)

Rough

102.

What colour banding identifies heavy grade LCS

a)

Blue

b)

Green

c)

Red

d)

Brown

103.

What is commonly used to securely clip LCS in place

a)

Push fit clip

b)

Plastic saddle clip

c)

Munson ring clip

d)

Fusion ring

104.

When using push fit fittings on polybutylene, what additional item is required?

a)

Internal pipe sleeve

b)

External pipe clip

c)

External O ring for high pressure situations

d)

Jointing compound

105.

What is this item?

a)

Pipe cutter for polybutylene

b)

Pipe cutter for cutting copper

c)

Pipe cutter for cutting LCS

d)

Pipe cutter for ABS pipe

106.

True or False

The correct name of this item is Boat Level

a)

True

b)

False

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