CSCS Plumbing Mock Test

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Specialists Test

Plumbing

1 / 37

What should you do if you arrive at a job which involves using ladder access to the roof and you notice that the ladder has been painted?

Only use the ladder if it is made of wood

Only use the ladder if it is made of metal

Only use the ladder if wearing rubber-soled boots to prevent slipping

Not use the ladder, and report the matter to your supervisor

2 / 37

Apart from the cylinders used in gas-powered forklift trucks, why should liquefied petroleum gas (LPG) cylinders never be placed on their side during use?

The liquid gas would be at too low a level to allow the torch to burn correctly

The liquid gas could be drawn from the cylinder, creating a safety hazard

It would give a faulty reading on the contents gauge, resulting in flashback

Air could be drawn into the cylinder, creating a dangerous mixture of gases

3 / 37

If lifting a roll of Code 5 sheet lead, what is the first thing you should do?

Ask your workmate to give you a hand

Weigh the roll of lead

Assess the whole task

Have a trial lift to see how heavy it feels

4 / 37

What is the most likely risk of injury when cutting large diameter pipe?

A piece of sharp metal could fly off and hit you

You may damage your muscles due to continued use

You may cut yourself on the inside edge of the cut pipe

Your fingers may become trapped between the cutting wheel and the Pipe

5 / 37

You are preparing to use an electric-powered threading machine. Which of the following statements should apply?

The power supply should be 400 volts and the machine fitted with a guard

The power supply should be 24 volts and the machine fitted with a guard

Ensure your clothing cannot get caught on rotating parts of the machine

Ear defenders should be available and should be in good condition

6 / 37

Which is the safest method of transporting long lengths of copper pipe by van?

Someone holding the pipes on the roof rack as you drive along

Putting the pipes inside the van with the ends out of the passenger window

Using a pipe rack fixed to the roof of the van

Tying the pipes to the roof with copper wire

7 / 37

Why should you carry out temporary continuity bonding before removing and replacing sections of metallic pipework?

To prevent any chance of blowing a fuse

To maintain the live supply to the electrical circuit

To provide a continuous earth for the pipework installation

To prevent any chance of corrosion to the pipework

8 / 37

How are legionella bacteria passed on to humans?

From other people when they sneeze

Through fine water droplets, such as sprays or mists

Through contact with the skin

By drinking dirty water

9 / 37

Which of the following statements is true?

Butane is heavier than air while propane is lighter than air

Propane is heavier than air while butane is lighter than air

Both propane and butane are heavier than air

Both propane and butane are lighter than air

10 / 37

If you are asked to move a cast iron boiler some distance, what should you do?

Get a workmate to carry it

Use a suitable trolley or other manual handling aid

Roll it end-over-end

Drag it

11 / 37

What should you do if you need to move a cast iron bath, but it is too heavy to lift by yourself?

Try and find someone to give you a hand

Get a lifting accessory

Give it another try

Inform your supervisor and ask for assistance

12 / 37

When replacing an electrical immersion heater in a hot water storage cylinder, what should you do to make sure that the electrical supply is dead before starting plumbing work?

Switch off and cut through the electric cable with insulated pliers

Switch off and test the circuit

Switch off, isolate the supply at the mains board and test the circuit

Switch off and disconnect the supply to the immersion heater

13 / 37

What should you do if you are using a blowtorch near to timber?

Carry out the work taking care not to catch the timber

Point the flame away from the timber and have a bucket of sand ready to put out the fire

Use a non-combustible mat and have a fire extinguisher ready

Wet the timber first and have a bucket of water handy

14 / 37

What piece of equipment would you use to find out whether a section of solid wall that you are about to drill into contains electric cables?

A neon screwdriver

A hammer and chisel

A multimeter

A cable tracer

15 / 37

How should you install a flue into an existing chimney?

Break through the chimney in the loft area and insert the liner from there

Work in pairs and insert the liner from roof level, working from a chimney scaffold

Insert the liner from roof level using a roof ladder

Work in pairs and insert the liner from roof level, working off the roof

16 / 37

Where should a fire extinguisher be if you are using a blowtorch to joint copper tube and fittings in a domestic property?

There is no need for a fire extinguisher

Available in the immediate work area

In your vehicle, as long as the doors are locked

Available only if a property is occupied

17 / 37

If you have been handling sheet lead, what is the most likely way lead could get into your bloodstream?

By not washing your hands before eating

By not wearing safety goggles

By not changing out of your work clothes

By not using the correct respirator

18 / 37

You are required to replace below-ground drainage pipework in an excavation, which is approximately 2.5 m deep, but the trench sides show signs of collapse. What should you do?

Get on with the work as quickly as possible

Refuse to do the work until the trench sides have been properly supported

Get a mate to help you so that they can pass the materials down to you

Ensure that you do the work with a rope around you so that you can be pulled out

19 / 37

Where is the safest place to store oxyacetylene gas-welding bottles when they are not in use?

In the immediate work area, ready for use the next day

Inside the building in a locked cupboard

Outside in a special storage compound

In company vehicles

20 / 37

If working on a plumbing job where noise levels are rather high, who would you expect to carry out noise assessment?

A fully qualified plumber

Your supervisor

The site engineer

A competent person

21 / 37

You are working in an occupied building and have taken up six lengths of 3 m floor boarding when you are called away to an urgent job. What should you do?

Tell other workers to be careful while you are away

Leave the job as it is

Permanently re-fix the floorboards and floor coverings

Cordon off the work area before leaving the job

22 / 37

The legionella bacteria that cause legionnaires' disease are most likely to be found in which of the following?

A cold water storage cistern containing water at 10°C

A boiler operating at a temperature of 80°C

A shower hose outlet

A toilet pan

23 / 37

How should bottles be positioned when using oxyacetylene welding equipment?

Laid on their side and secured

Stood upright and secured

Stood upside down

Angled at 45°

24 / 37

Which of the following makes it essential to take great care when handling and transporting oxygen cylinders?

They contain highly flammable compressed gas

They contain poisonous gas

They contain highly flammable liquid gas

They are filled to extremely high pressures

25 / 37

You are drilling a 100 mm diameter hole for a flue pipe through a brick wall with a large hammer drill. Which combination of personal protective equipment (PPE) should you be supplied with?

Barrier cream, boots and respiratory protective equipment

Ear defenders, respiratory protective equipment and barrier cream

Ear defenders, respiratory protective equipment and eye protection

Gloves, breathing apparatus and ear defenders

26 / 37

While working, you come across a hard, white, powdery material that could be asbestos. What should you do?

Stop work immediately and tell your supervisor about the material

Dampen the material down with water and remove it before carrying out the work

Remove the material, putting it back after finishing the job

While wearing respiratory protective equipment, remove the material and dispose of it safely

27 / 37

The use of oxyacetylene equipment is not recommended for which of the following jointing methods?

Jointing copper pipe using hard soldering

Jointing mild steel tube

Jointing copper tube using capillary soldered fittings

Jointing sheet lead

28 / 37

What is the preferred method of checking for leaks when assembling liquefied petroleum gas (LPG) equipment before use?

Sniff the connections to detect the smell of gas

Listen to hear for escaping gas

Apply leak detection fluid to the connections

Test with a lighted match

29 / 37

Which item of personal protective equipment (PPE) is designed to protect against infrared radiation damage to the eyes during flame cutting or welding?

Respiratory protective equipment (RPE)

Impact-rated safety goggles

Eye protection with a tinted or filter lens

Reflective vest

30 / 37

Why is it important that operatives know the difference between propane and butane equipment?

Propane equipment operates at lower pressure

Propane equipment is cheaper

Propane equipment operates at higher pressure

Propane equipment can be used with smaller, easy-to-handle cylinders

31 / 37

If you are drilling a hole, when do you need to wear eye protection?

Always, whatever the circumstances

Only when drilling through concrete

Only when drilling overhead

Only when the drill bit exceeds 20 mm

32 / 37

What should you do when using a blowtorch near to flexible pipe lagging?

Remove just enough lagging to carry out the work

Remove the lagging at least 1 m either side of the work

Wet the lagging but leave it in place

Remove the lagging at least 3 m either side of the work

33 / 37

When is it safe to transport workers to the workplace in the rear of a van?

When the van is fitted with temporary seating

When the driver has a heavy goods vehicle licence

When the driver is over 21 years of age

When the van is fitted with proper seating and seat belts

34 / 37

What is the colour of an acetylene cylinder?

Green

Maroon

Black

Orange

35 / 37

You are removing guttering from a large, single-storey, metal-framed and cladded building and the job is likely to take all day. What is the most appropriate type of access equipment you could use?

A trestle scaffold

A ladder

A mobile access tower

A putlog scaffold

36 / 37

What should you do when repairing a burst water main using pipe-freezing equipment to isolate the damaged section of pipe?

Always work in pairs when using pipe-freezing equipment

Never allow the freezing gas to come into direct contact with surface water

Never use pipe-freezing equipment on plastic pipe

Wear gloves to avoid direct contact with the skin

37 / 37

If you are required to re-fix a section of external rainwater pipe using a power drill in wet weather conditions, which type of drill is most suitable?

Battery-powered drill

Drill with 110-volt power supply

Drill with 240-volt power supply

Any mains voltage drill with a power breaker

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The average score is 92%

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