CSCS Plumbing Mock Test - 4 - Coteca - CITB Test Revision FREE

1. What actions should you take if you are called away urgently after removing six lengths of 3 m floorboarding in an occupied building?

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

2. What precautions should you take when repairing a burst water main using pipe-freezing equipment to isolate the damaged section?

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

Never use pipe-freezing equipment on plastic pipe

Always work in pairs when using pipe-freezing equipment

Wear gloves to avoid direct contact with the skin

3. Why should LPG cylinders, apart from those used in gas-powered forklift trucks, never be placed on their side during use?

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

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

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

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

4. What step should you take to ensure the electrical supply is disconnected before replacing an electric immersion heater in a hot water storage cylinder?

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

Switch off and cut through the electric cable with insulated pliers

5. Why is it important for operatives to understand the difference between propane and butane equipment?

Propane equipment is cheaper

Propane equipment operates at lower pressure

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

Propane equipment operates at higher pressure

6. How should bottles be positioned when using oxyacetylene welding equipment?

Angled at 45°

Stood upright and secured

Stood upside down

Laid on their side and secured

7. What precautions should you take when using a blowtorch near timber?

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

Carry out the work taking care not to catch the timber

Wet the timber first and have a bucket of water handy

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

8. What is the most likely risk of injury when cutting a 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

9. When is eye protection necessary when drilling a hole?

Only when the drill bit exceeds 20 mm

Only when drilling overhead

Only when drilling through concrete

Always, whatever the circumstances

10. How are Legionella bacteria transmitted to humans?

From other people when they sneeze

Through contact with the skin

By drinking dirty water

Through fine water droplets, such as sprays or mists

11. Which safety guidelines should you follow when preparing to use an electric-powered threading machine?

Ear defenders should be available and should be in good condition

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

12. What is the color of an acetylene cylinder?

Maroon

Green

Black

Orange

13. Why is it necessary to carry out temporary continuity bonding before removing or replacing sections of metallic pipework?

To provide a continuous earth for the pipework installation

To maintain the live supply to the electrical circuit

To prevent any chance of blowing a fuse

To prevent any chance of corrosion to the pipework

14. What should you do if the trench sides of a 2.5 m deep excavation show signs of collapse while replacing below-ground drainage pipework?

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

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

Get on with the work as quickly as possible

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

15. What precautions should you take when using a blowtorch near flexible pipe lagging?

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

Wet the lagging but leave it in place

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

Remove just enough lagging to carry out the work

16. Where is the safest location to store oxyacetylene gas welding bottles when not in use?

In company vehicles

Outside in a special storage compound

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

Inside the building in a locked cupboard

17. Which of the following statements is correct?

Butane is heavier than air while propane is lighter than air

Both propane and butane are heavier than air

Propane is heavier than air while butane is lighter than air

Both propane and butane are lighter than air

18. What action should you take if you encounter a hard, white, powdery material that may be asbestos while working?

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

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

Stop work immediately and tell your supervisor about the material

Remove the material, putting it back after finishing the job

19. Which PPE item is designed to protect the eyes from infrared radiation during flame cutting or welding?

Eye protection with a tinted or filter lens

Reflective vest

Respiratory protective equipment

Impact-rated safety goggles

20. For which jointing methods is the use of oxyacetylene equipment not recommended?

Jointing sheet lead

Jointing copper tube using capillary soldered fittings

Jointing copper pipe using hard soldering

Jointing mild steel tube

21. How could lead most likely enter your bloodstream after handling sheet lead?

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

22. Where should a fire extinguisher be placed when using a blowtorch to join copper tubes and fittings in a domestic property?

Available only if a property is occupied

There is no need for a fire extinguisher

Available in the immediate work area

In your vehicle, as long as the doors are locked

23. What is the preferred method for checking for leaks when assembling liquefied petroleum gas (LPG) equipment?

Apply leak detection fluid to the connections

Listen to hear for escaping gas

Test with a lighted match

Sniff the connections to detect the smell of gas

24. In which environment are Legionella bacteria that cause Legionnaires’ disease most likely to be found?

A toilet pan

A boiler operating at a temperature of 80°C

A cold water storage cistern containing water at 10°C

A shower hose outlet

25. What type of power drill is most suitable for re-fixing an external rainwater pipe in wet weather conditions?

Battery-powered drill

Drill with 110 volt power supply

Any mains voltage drill with a power breaker

Drill with 240 volt power supply

Question 1 of 25

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