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

1. What is the color of an acetylene cylinder?

Orange

Maroon

Black

Green

2. Which of the following statements is correct?

Both propane and butane are heavier than air

Butane is heavier than air while propane is lighter than air

Both propane and butane are lighter than air

Propane is heavier than air while butane is lighter than air

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

In company vehicles

Outside in a special storage compound

Inside the building in a locked cupboard

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

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

Reflective vest

Eye protection with a tinted or filter lens

Impact-rated safety goggles

Respiratory protective equipment

5. 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 cut through the electric cable with insulated pliers

Switch off and disconnect the supply to the immersion heater

6. How are Legionella bacteria transmitted to humans?

Through contact with the skin

From other people when they sneeze

By drinking dirty water

Through fine water droplets, such as sprays or mists

7. Why should LPG cylinders, apart from those used in gas-powered forklift trucks, 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

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

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

8. What precautions should you take when using a blowtorch near 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

Carry out the work taking care not to catch the timber

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

Jointing copper pipe using hard soldering

Jointing mild steel tube

Jointing sheet lead

Jointing copper tube using capillary soldered fittings

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

Available in the immediate work area

In your vehicle, as long as the doors are locked

Available only if a property is occupied

There is no need for a fire extinguisher

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

Propane equipment operates at lower pressure

Propane equipment is cheaper

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

Propane equipment operates at higher pressure

12. 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

Wear gloves to avoid direct contact with the skin

Always work in pairs when using pipe-freezing equipment

Never use pipe-freezing equipment on plastic pipe

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

Test with a lighted match

Sniff the connections to detect the smell of gas

Listen to hear for escaping gas

Apply leak detection fluid to the connections

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

Always, whatever the circumstances

Only when drilling overhead

Only when drilling through concrete

Only when the drill bit exceeds 20 mm

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

Battery-powered drill

Drill with 240 volt power supply

Any mains voltage drill with a power breaker

Drill with 110 volt power supply

16. 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

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

A piece of sharp metal could fly off and hit you

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

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

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

Remove just enough lagging to carry out the work

Wet the lagging but leave it in place

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

Stood upside down

Angled at 45°

Stood upright and secured

Laid on their side and secured

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

A boiler operating at a temperature of 80°C

A shower hose outlet

A toilet pan

A cold water storage cistern containing water at 10°C

20. 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?

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

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

Get on with the work as quickly as possible

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

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

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

Ear defenders should be available and should be in good condition

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

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

22. 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 using the correct respirator

By not changing out of your work clothes

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

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

To provide a continuous earth for the pipework installation

24. 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

Remove the material, putting it back after finishing the job

Stop work immediately and tell your supervisor about the material

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

Permanently re-fix the floorboards and floor coverings

Tell other workers to be careful while you are away

Cordon off the work area before leaving the job

Leave the job as it is

Question 1 of 25

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