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WorksheetsCommon Plumbing Processes 6035-02
Total questions: 37
Worksheet time: 19mins
What type of joint is shown?
Press-fit
Push-fit
Type B compression
Type A compression
Which type of copper fitting requires solder wire to make the joint?
What type of fitting requires a swaging tool to make the joint?
Type A compression
Type B compression
Endfeed
Pushfit
What grade of copper tube is used for below- ground water supplies?
R220 Microbore
R250 Half hard
R220 Annealed coil
R290 Hard thin walled
What type of bending machine is required to form bends in low carbon steel pipework?
Hand bender
Hydraulic bender
Stand bender
LCS threader
Medium-grade LCS is identified by what colour coded banding?
Red
Brown
Blue
Yellow
Which of these are NOT a type of protection for LCS pipework
Galvanised
Denso tape
Chemical
Expanding foam
LCS is made from:
99.85% iron and 0.15% carbon
79.25% steel and 20.75% iron
91.5% steel and 8.5% carbon
98.95% carbon and 1.05% iron
Statement: All grades have the same outside diameter, but the heavier the grade the smaller the bore.
TRUE
FALSE
What is the maximum recommended clip spacing interval for a 22mm vertical copper pipe?
1.2m
1.8m
2.4m
3.0m
The component shown here is:
Self-cutting fixing
Expanding metal cavity fixing
Wall anchor
Spring toggle fixing
The horizontal and vertical clipping distances for 15mm plastic pressure pipe is:
0.7m and 1.4m
0.4m and 0.8m
0.6m and 1.2m
0.5m and 1.0m
Sheradised type screws are:
Limited to outdoors use only
Limited to indoors use only
Brass, Stainless steel and Zinc screws are beneficial of outdoor use due to:
Being expensive screws
Having a decorative finish
Effectiveness in dry conditions
Being corrosion resistant
What is the term used to work out how much copper tube is required, providing you know the centre-to-centre measurement?
T-Dimension
X-Dimension
Z-Dimension
M-Dimension
LCS threads cannot be made using a:
Handheld threader
Handheld die
Electric threading machine
Large hacksaw
PVCu soil and waste pipe comes in diameter sizes: 110mm, 50mm, 40mm, 32mm and...
21.5mm
28mm
22mm
16.5mm
When marking out, and before drilling, check for any buried pipes or cables using:
Cable detector
Stud detector
Metal detector
Pipe detector
The length of joists is measured as:
Span
Width
Height
Approved document A sets out requirements for notching is that a notch is ONLY cut within:
7% and 25%
12.5% and 25%
25% and 40%
Approved document A sets out requirements for notching is that the depth of a notch must not exceed:
1/6 the diameter of the joist
1/4 the diameter of the joist
1/2 the diameter of the joist
1/8 the diameter of the joist
Approved document A sets out requirements for drilling is that any hole should be centre and within:
40% and 75% of the span
7% and 25% of the span
25% and 40% of the span
Approved document A sets out requirements for drilling that any hole must be at least 3 diameters away from each other and:
No bigger than 1/3 of the depth
No bigger than 1/4 of the depth
No bigger than 2/5 of the depth
No bigger than 1/2 of the depth
A pipe guard may be used in cases of notches to protect against:
Screws and nails
The environment
Expansion and contraction
Touching other pipework
The symbol shown here is:
Double check valve
Service valve
Shut-off valve
Single check valve
The symbol shown here is:
Service valve
Drain valve
Double check valve
Gate valve
The symbol shown here is:
Gate valve
Service valve
Shut-off valve
Motorised zone valve
The symbol shown here is:
Shut-off valve
Service valve
Radiator valve
Two-port motorised valve
The symbol shown here is:
Pump
Double check valve
Service valve
Relief valve
A _______ show an area, generally the whole site so you can locate a specific property and the access to it
Service layout
Working drawing
Building plans
Site plan
Site plans are generally drawn in a scale of: (select 2)
1:500
1:2500
1:100
1:2
1:1250
A ___________ details a specific property, showing dimensions of rooms, locations of windows, doors, guttering, soil pipes etc.
Building Plan
Manufacturers Instruction
Working drawing
Assembly drawing
Buidling plans are drawn in a scale of:
1:100
1:1000
1:50
1:500
Working drawings are drawn in a scale of:
1:10
1:25
1:50
1:100
Pipework in a BLUE identification coating is:
Gas
Wholesome water
Central heating
Non-potable water
Pipework in a YELLOW identification coating is:
Central heating
Gas
Non-potable water
To accurately work out the length of pipe to be bent, the correct formula is?
