CSCS Plumbing Mock Test

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Specialists Test

Plumbing

1 / 37

How should bottles be positioned when using oxyacetylene welding equipment?

Stood upright and secured

Angled at 45°

Laid on their side and secured

Stood upside down

2 / 37

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

Only when drilling overhead

Only when the drill bit exceeds 20 mm

Always, whatever the circumstances

Only when drilling through concrete

3 / 37

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

Outside in a special storage compound

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

In company vehicles

Inside the building in a locked cupboard

4 / 37

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

Have a trial lift to see how heavy it feels

Ask your workmate to give you a hand

Weigh the roll of lead

Assess the whole task

5 / 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

In your vehicle, as long as the doors are locked

Available only if a property is occupied

Available in the immediate work area

6 / 37

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

A toilet pan

A shower hose outlet

A boiler operating at a temperature of 80°C

A cold water storage cistern containing water at 10°C

7 / 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

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

Wet the timber first and have a bucket of water handy

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

8 / 37

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

They are filled to extremely high pressures

They contain highly flammable compressed gas

They contain highly flammable liquid gas

They contain poisonous gas

9 / 37

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

Wet the lagging but leave it in place

Remove just enough lagging to carry out the work

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

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

10 / 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 cable tracer

A multimeter

A neon screwdriver

A hammer and chisel

11 / 37

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

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

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

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

Ear defenders should be available and should be in good condition

12 / 37

What is the colour of an acetylene cylinder?

Orange

Maroon

Black

Green

13 / 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?

Permanently re-fix the floorboards and floor coverings

Tell other workers to be careful while you are away

Leave the job as it is

Cordon off the work area before leaving the job

14 / 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

Wear gloves to avoid direct contact with the skin

Never use pipe-freezing equipment on plastic pipe

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

15 / 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

Using a pipe rack fixed to the roof of the van

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

Tying the pipes to the roof with copper wire

16 / 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?

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

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

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

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

17 / 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

18 / 37

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

To prevent any chance of corrosion to the 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

19 / 37

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

Roll it end-over-end

Drag it

Use a suitable trolley or other manual handling aid

Get a workmate to carry it

20 / 37

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

Your supervisor

The site engineer

A competent person

A fully qualified plumber

21 / 37

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

Jointing copper tube using capillary soldered fittings

Jointing copper pipe using hard soldering

Jointing sheet lead

Jointing mild steel tube

22 / 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?

Drill with 240-volt power supply

Any mains voltage drill with a power breaker

Battery-powered drill

Drill with 110-volt power supply

23 / 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

Gloves, breathing apparatus and ear defenders

Ear defenders, respiratory protective equipment and eye protection

Ear defenders, respiratory protective equipment and barrier cream

24 / 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 lighter than air

Both propane and butane are heavier than air

25 / 37

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

Apply leak detection fluid to the connections

Listen to hear for escaping gas

Sniff the connections to detect the smell of gas

Test with a lighted match

26 / 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 ladder

A putlog scaffold

A mobile access tower

A trestle scaffold

27 / 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

28 / 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 metal

Only use the ladder if it is made of wood

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

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

29 / 37

How are legionella bacteria passed on to humans?

By drinking dirty water

Through fine water droplets, such as sprays or mists

Through contact with the skin

From other people when they sneeze

30 / 37

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

Remove the material, putting it back after finishing the job

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

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

Stop work immediately and tell your supervisor about the material

31 / 37

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

Give it another try

Try and find someone to give you a hand

Inform your supervisor and ask for assistance

Get a lifting accessory

32 / 37

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

By not using the correct respirator

By not washing your hands before eating

By not wearing safety goggles

By not changing out of your work clothes

33 / 37

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

Reflective vest

Impact-rated safety goggles

Eye protection with a tinted or filter lens

Respiratory protective equipment (RPE)

34 / 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

Insert the liner from roof level using a roof ladder

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

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

35 / 37

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

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

You may damage your muscles due to continued use

A piece of sharp metal could fly off and hit you

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

36 / 37

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

Propane equipment operates at lower pressure

Propane equipment operates at higher pressure

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

Propane equipment is cheaper

37 / 37

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

When the driver is over 21 years of age

When the van is fitted with temporary seating

When the driver has a heavy goods vehicle licence

When the van is fitted with proper seating and seat belts

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The average score is 91%

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