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WorksheetsCommon plumbing processes
Total questions: 36
Worksheet time: 18mins
The 'Formers' in the image of a bending machine are shown at what point?
A
B
C
D
What type of copper pipe is normally used for above ground 22mm cold water supply pipe?
R220 Soft coils
R250 Half hard lengths
R290 Half hard lengths
R290 Hard lengths
Polyethylene underground cold water service pipework is currently colour coded:
Yellow
Blue
Black
Green
The content of carbon in steel pipework used in domestic installations is?
Low
Medium
High
Very high
Which of the following correctly identifies the tool shown in the image?
Internal bending spring
Microbore scissor bender
Hydraulic bending machine
Tripod bending machine
Which of the following correctly identifies the type of fitting shown in the image?
Coupling
Elbow
Stop end
Tee
When calculating pipe lengths, the 'X' dimension is considered to be which of the following?
The distance from face to face of the fitting
The distance from pipe stops to centre of fitting
The distance from centre to centre of fitting
The distance from face to face of the fitting plus the pipe length
When bending copper pipe the spring bending method, what is the purpose of 'over bending' ?
To ensure that the pipe is bend to exactly the correct angle
To prevent 'ripples' from forming on the bend
To prevent the pipe being 'throated'
To aid in the release of the spring
Which one of the following correctly identifies the type of bend shown in the image?
90 Degree bend
Double offset
Single offset
Passover bend
Which one of the following forms the main seal in a press-fit fitting?
A Rubber O-Ring
A compression olive
A brass O-Ring
A Tapered thread
Which of the following is applied to the thread to ensure a watertight seal when jointing steel pipework?
Flux
Lubricant
PTFE Tape
Solder
Polybutylene domestic heating pipework is BEST jointed using?
Push fit fittings
Capillary soldered fittings
Solvent weld fittings
Threaded fittings
Which one of the following correctly identifies the type of fitting shown in the image?
End feed elbom
End feed coupling
Crimp fit coupling
Compression coupling
Which one of the following correctly identifies the tool in the image shown?
Pump grips
Footprint grips
Stilsons
Mole grips
Which one of the following correctly identifies the tool in the image shown?
Mole grips
Tin snips
Pliers
Stilsons
When soldering why is adequate ventilation required?
To retain flame heat in order to make the joint quicker
To prevent the build up of toxic fumes
To avoid any potential damage to the blow lamp
To prevent the possibility of the building catching fire
Making capillary soldered joints is MOST likely to require the use of
Heat resistant mats
Dust sheets
Barrier cream
Plastic sheeting
A power drill should NOT be used if it has
Frayed leads
A wrongly sized chuck
No variable speed
No hammer action
Which of the following correctly identifies the tool in the image shown?
Power drill
Cordless drill
Circular saw
Power screwdriver
Which of the following correctly identifies the tool in the image shown?
Power drill
circular saw
Power screwdriver
Jig saw
When using a high powered hammer drill for several hours a day a plumber is most at risk of:
Dermatitis
Vibration injury
Blisters
Dropping drill on his foot
Which screw type would most likely be used to fix a radiator bracket to a solid wall?
Self tapping
Mirror
Chipboard
Steel counter-sunk
What typr of screw is shown in the image?
Slotted
Stardrive
Regular
Phillips
A new blade in a frame hacksaw should be fitted
Under tension with teeth facing forward
Under tension with teeth facing backward
Without tension with teeth facing forward
Without tension with teeth facing backward
Which one of the following must be carried out when using a battery power tool for the first time?
Test the RCD
Inspect the power tool for damage
Make sure it is colour coded yellow
Perform a P.A.T test
What type of surface is the fixing shown in the image used to support pipework on?
Breeze block
Masonry brick
Finished render
Plasterboard
What type of pipework material is the bracket in the image shown used to support?
Copper
MDPE
PVC-u waste
Steel
On which type of wall surface is a cavity toggle fixing used?
Concrete block
Timber
Plasterboard
Brick
In order to comply with the building regulations Approved document A, the maximum diameter of holes drilled in timber floor joists should be no greater than which of the following?
1/4 of the depth of the floor joist
1/8th of the depth of the floor joist
1/16th of the depth of the floor joist
1/2 of the depth of the floor joist
Which one of the following identifies an important consideration when removing the tongue and groove from timber flooring with a circular saw?
Set the depth of the cut to be less than the flooring thickness
Set the depth of the cut to be greater than the flooring thickness
Only use a battery operated saw
Only use a 240v saw
Which of the following screw types should be used when replacing an inspection hatch in a chopboard floor?
Self tapping
Mirror
Countersunk
Raised head
Which one of the following identifies the type of flooring surface shown in the image?
Marine plywood
Parquet
Tongue and groove
Chipboard
The main reason why pipework is sleeved as it passes through the building structure is to prevent damage from which one of the following?
Pipe corrosion
Pipe movement
Condensation
Contamination
What does the symbol shown in the image represent?
Drain valve
Double check valve
Single check valve
Service valve
Potable water pipes are identified by which colour coding?
Blue
Green
Yellow
Red
On a scale drawing of 1:100, 10 mm on the drawing represents which one of the following?
2000 mm
1500 mm
1000 mm
100 mm
