Forward Tipping Dumper – Theory Test (In-House)

Forward Tipping Dumper Theory Test (In house)

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12. If a defect is found during pre-shift checks you should?

Report it when you next see your supervisor

Report it at the end of the day’s work

Report it immediately

9. When tipping into an excavation the danger area is?

A distance equal to the depth of the excavation from the side of the excavation (angle of repose)

It will depend on the weight and size of the dumper

To be decided by operator

15. Why is it important not to overload the dumper?

Extra pressure on the dumpers front axle could lead to machine damage and reduce stability

You may not be able to see over the load reducing visibility

Both of these answers

18. An orange flashing beacon should be used?

Only when transporting a dumper with a loaded skip

At all times whilst operating the dumper

When operating on the public highway only

10. When is the recommended time to refuel a diesel powered dumper?

At the end of the shift

When the gauge shows the fuel level as half empty

In the morning prior to starting work

13. What is the most important reason to wear suitable gloves when handling diesel and engine oil?

Because you were told to do so by your supervisor

To keep your hands clean

To help prevent skin disease

5. The dumper should be driven around site?

In low gear at all times

Fast to get the work done quickly

At a suitably safe speed consistent with the site rules and conditions

3. Dumpers should only be operated on site by individuals who?

Think they can operate a dumper safely

Holds a current driving license

Have received adequate training and are authorised by their employer

2. When using the dumper to tow an attachment, why should the dumper skip be a least a quarter full?

Both of the above

To aid stability

To aid traction

4. In winter months the radiator should be topped up with?

Distilled water

Hot water

The correct mixture of water and antifreeze

16. If leaving the dumper unattended the operator should?

Park on firm level ground, engage parking brake, place in neutral, switch off and remove key

Park on firm level ground, engage parking brake, switch off and remove key

Park on firm level ground, engage parking brake, and leave the engine running for the next operator

8. What type of skip should NOT be used for carrying rubble?

A rotatable skip

A Narrow-mouthed concrete skip

A general purpose skip

11. Seat belts should be worn at all times when operating a dumper except:

When stated otherwise in a risk assessment or method statement

When travelling the dumper over rough terrain only

If the operator finds them uncomfortable

7. What is the purpose of stop blocks?

To hold the dumper when parked on an incline

So you can approach an excavation quickly

To prevent the dumper over-running the edge of the excavation

1. Which of these statements is correct regarding free-wheeling the dumper down a slope?

the dumper speed can increase quickly becoming uncontrollable leading to possible overturning

The dumpers speed will only increase slightly and will be controllable

Freewheeling is acceptable providing you feather the breaks

14. What must you do if involved in an accident whilst at work?

Report it to the Health and safety executive (HSE)

Keep the incident to yourself as you may be prosecuted

Enter it in the site accident book

17. How can the operator ensure that the material is discharged cleanly?

Shake the steering from side to side

Jerk the hydraulics violently up and down

Raise the skip fully and reverse back slowly to clear the load

19. What safety precautions should be used when working under a raised skip?

Articulating lock

Skip prop, engine off and key removed

Both of these answers

20. Where would you find information about the grade of engine oil for the dumper?

From your supervisor or manager

It does not matter any grade of oil is suitable

In the operators manual or from the chart in the engine compartment

6. What is the main reason for reducing speed when cornering?

To save loss of load from the skip

To help prevent the dumper overturning

To reduce wear on tyres

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