Name THREE purposes of the treads on tyres. And What can happen to a dumper if the treads are severely worn?
If checking the oil level using a dipstick, why must gloves be worn? Select ONE answer
Why do high tip dumpers need particular care when tipping? Select ONE answer.
a) What is the minimum distance allowed near open trenches when travelling with a dumper and b) explain why?
When would the skip safety strut or support be used? Select ONE answer.
On articulated dumpers, steering is achieved by actuating a hydraulic ram which is controlled by turning the steering wheel. a) How does the engine supply the oil flow and b) what happens to the steering when the engine stops? Select the TWO correct answers.
When parking the machine at the end of the shift, name THREE places where the dumper should NOT be parked.
Who should determine the maximum load that should be placed into the skip of the dumper?
What is a possible consequence of using a tyre with a deep cut in the sidewall? Select ONE answer.
Why must the seat belt be worn at all times? Select ONE answer.
The operator has to use a new type of dumper, i.e. swivel skip that they are unfamiliar with. What do Regulations (i.e. PUWER 98) and other guidance require the operator to have? Select ALL that apply. Select 1 answer...
The operator is asked to tip material into a new trench. State SIX different requirements that must be considered or implemented before tipping commences.
When working in a confined area or space what danger can be present with an articulated dumper with regards to steering? Select ONE answer
The operator has been asked to drive the dumper onto a transporter/trailer. a) Who is responsible for the loading operations and b) state SEVEN actions to be considered by the operator before loading commences.
In what situation does a hard hat NOT need to be worn when operating a forward tipping dumper? Select ONE answer.
State TWO requirements of using a stop block or earth bank (berm) at a trench discharging point.
When travelling on wet clay, what effect does this have on the dumper? Select ONE answer.
If the operator has to top-up the hydraulic oil, state TWO precautions to ensure cleanliness of the system.
Whenever possible, who should decide the positioning of the dumper when being loaded? Select ONE answer.
What allows the wheels to follow the contours of the ground when travelling on uneven ground? Select ONE answer.
Discharging loads whilst moving is not considered best practice. Why would this be? Select ONE answer.
Most site dumpers have the engine at the rear. State the main reason for this. Select ONE answer.
Why should a dumper be re-fuelled at the end of the day? Select ONE answer
Larger dumpers use a turbo-charged engine. a) What is the normal procedure before switching off the engine after working and b) what happens if the procedure is not followed? Select TWO answers.
Name THREE problems that could occur if the skip is overloaded with a dense/ compacted material.
Before leaving the dumper for a rest break, after parking and switching off the engine, a) what final action must be carried out and b) why? Select TWO answers.
What is the purpose of a roll or ROPS frame? Select ONE answer.
During work, the engine starts to overheat. Explain the danger if someone tries to remove the radiator or expansion tank cap. Select ONE answer.
The function or job role of a dumper driver, when transporting materials, is to? Select ONE answer.
Give TWO reasons why the dumper operator should have an understanding of the type of spoil being transported.
What problems and hazards can soft ground cause to a loaded dumper? Select TWO answers
a) What determines the minimum distances that any part of plant and machinery has to be kept from over head electricity lines and b) explain why a distance should be kept.
Manufacturers must give recommendations on how to travel a dumper up and down inclines. If this information is not known first hand, what is the general rule about travelling up and down slopes? Give ONE answer.
How is it possible that a dumper can still tip over when travelling on a gentle gradient, even if it is not overloaded and not being driven at excessive speed? Select ONE answer.
A dumper is classified by a manufacturer as a six-tonne dumper. What does this mean? Select ONE answer
If considering to use the dumper to transport a wide load, what needs to be taken into account? Select ONE answer.
When forward tipping a load, the centre of gravity of the machine changes. a) What effect does this have on the dumper and b) state TWO actions to avoid accidents?
Give FOUR reasons that may cause the dumper to tip over sideways during travel.
Operators should lower the skip fully before driving away, particularly on swivel skips. Give TWO possible consequences if this is not carried out.
When working in a confined area or space, name THREE hazards that can occur.
Give TWO reasons for using a swivel skip dumper over a conventional forward tipping skip.
If setting up to work in a pedestrianised area, state THREE factors that need to be taken into account.
What may happen if the load is tipped onto a downward slope? Select ONE answer.
