WorksheetsPh1 302 Common processes and techniques checkpoint test
Total questions: 40
Worksheet time: 20mins
Which of the following materials is not suitable for a domestic cold water system?
R250 copper
Polybutylene pressure pipe
R220 copper
Low carbon steel
Which grade of low carbon steel is used for central heating systems?
Red
Blue
Brown
Green
What do the Water Regulations state about the use of lead in cold water systems?
Lead must not be used on cold or hot water systems
Lead can be installed if the customer is informed
Lead can only be used on cold water systems but not on hot water systems
Lead must be installed with care
Identify the fitting in the image
Press fit tee
End feed tee
Compression reducer
Compression tee
Identify the waste pipe fitting in the image
Solvent weld tee
Mechanical tee
Push fit tee
Compression tee
What type of fitting is an olive used to create a watertight joint
Push fit
Solvent weld
Press fit
Compression
What type of joint is this?
Solvent weld waste pipe joint
LCS hemp & paste joint
Compression /Mechanical waste point joint
Push fit polybutylene joint
What type of drill is this?
Battery drill
SDS power drill
Combi drill
Core drill
Identify the material on which this drill bit can be used
Masonry products
Wooden frames
Steel cases
Plasterboard
What is the maximum depth to which a notch can be cut?
0.007S
0.125D
O.25D
0.375S
Which building regulation do notching and drilling of joists come under?
Approved document P
Approved document L
Approved document H
Approved document A
What type of screw head is this?
Countersunk
Oval head
Round head
Square head
Where would a plumber use a mirror screw?
Securing floorboards
Attaching a bath panel
Securing a clip
Attaching a pump
What type of material would this fixing be used on?
Wood
Metal
Masonry
Plasterboard
When using a munsen ring to secure pipework in position, which of the following statements is important to follow?
Copper pipe must be secured in a cast iron munsen ring
Low carbon steel must be secured in a brass munsen ring
Brass munson rings must be used on copper pipework
Cast iron munsen rings can secure any material
What is the horizontal clipping distance for 15mm copper pipework?
1000 mm
1200 mm
1.5 m
1.8 m
What must be installed when pipework passes through a wall?
Extra clips either side of the wall
A sleeve to protect the pipework from damage
A non-conductive fitting to avoid electric shocks
A length of polybutylene to allow for expansion
What does an intumescent collar prevent?
Fire from spreading in a building
Contamination in a water system
Over-tightening of a compression joint
Expansion and contraction when heated
What is installed at the second fix stage of an installation?
Pipework
Clips
Appliances
Insulation
Which British Standard outlines the thickness of insulation required in a domestic property?
BS 8056
BSEN 12058
BS 1010
BSEN 806
Which of the following would be the most suitable masonry drill bit to use to make a hole in brickwork for a brown plastic plug?
5.5 mm HSS bit
7.0 mm HSS bit
5.5 mm SDS bit
7.0 mm SDS bit
What is the purpose of this tool?
To install a sacrificial anode
To remove an immersion heater
to remove a tap back nut
To tighten a compression nut
Which of the following is the British Standard for the manufacture of copper pipes used in the plumbing and heating industry
BS EN 806
BS 1710
BS 1212
BS EN 1057
LCS pipe is given a colour band to indicate its grade. What grade is indicated by a blue band?
Light
Medium
Heavy
Medium/Heavy
Which of the following plastic pipe materials is commonly used for the distribution of underground mains cold water supplies?
Polybutylene
ABS
PVCu
MDPE
Which of the following is not a common size for PVCu soil pipes?
65mm
82mm
110mm
160mm
What is the maximum diameter of hole that can be drilled in a joist?
10% of the depth of the joist
20% of the depth of the joist
25% of the depth of the joist
30% of the depth of the joist
When installing 28mm copper pipe in the horizontal plane, what is the recommended clipping distance?
1.8m
2.4m
2.7m
3.0m
Which of the following is the recommended clip distance for 40 mm plastic waste pipe in the vertical position?
0.5m
0.9m
1.2m
2m
What is the maximum depth of notch in a solid timber joist measuring 300mm deep?
30 mm
37.5 mm
40 mm
47.5 mm
What grade of copper tube is most commonly supplied in coils and used for microbore heating installations?
R220
R250
R290
R310
What component does this symbol represent?
Single check valve
Isolation valve
Gate valve
Double check valve
What colour plug would be used for a screw gauge of 8-10
Yellow
Brown
Red
Grey
It is safe to use black iron fittings on cold water supplies.
True
False
A joint made on copper tube, which uses an electrically operated tool to compress a fitting incorporating a rubber seal onto the pipe, is known as what?
Compression
Mechanical
Press fit
Push fit
It is compulsory to complete what document as part of the commissioning process for appliances such as boilers and hot water cylinders, to ensure they are installed in accordance with the regulations and manufacturers instructions?
Client survey
Benchmark certificate
Warranty
Installers register
Using the image, calculate the total length of 15mm pipe required to form the bend.
600 mm
624 mm
524 mm
544 mm
A non gas qualified plumber notices soot marks above the radiants on a gas fire, what action should be taken?
Ignore it
Investigate the cause
Report it to the customer
Report it to the HSE
Which member of the construction team approves work as conforming with the requirements of the Building Regulations?
Building Control Officer
Quantity surveyor
Site supervisor
Structural engineer
Identify the component in the image
32mm collar
Intumescent collar
110mm collar
Flue seal
