FORWARD TIPPING DUMPER TEST
CPCS TEST QUESTIONS AND
ANSWERS
Why are plant operators generally regarded as 'safety-critical' workers? - Correct
Answers -There actions could have significant health and safety consequenses on
themselves and others.
Name three problems that could occur if the skip is overloaded with a dense/compacted
material. - Correct Answers -1: Axels become overloaded.
2: Skip unable to skip.
3: Machine tips forward.
Discharging loads whilst moving is not considered best practice. Why would this be? -
Correct Answers -Instability could occur on uneven ground.
When parking the machine at the end of the shift, name three places where the
machine should not be parked. - Correct Answers -1: Soft.
2: Wet.
3: Steep ground.
If the machine is being travelled or working on the public highway, including adjacent
pavements and verges, the road traffic act applies.
a) What type of license and which class should the operator hold.
b) What is the minimum age allowed. - Correct Answers -a) UK driving license bearing
class b.
b) 18 is up to 7.5tonne and 21 is 7.5tonne+.
a) What determines the minimum distances that any part of the plant and machinery
has to be kept from over head electricity lines.
b) Explain why a distance should be kept. - Correct Answers -a) The voltage down the
line and if it's on metal/wooden poles.
b) High voltage can arc across large gaps in certain weather conditions.
Whenever possible, who should decide the positioning of the dumper when being
loaded? - Correct Answers -The excavator operator.
, When travelling on wet clay, what effect does this have on the dumper? - Correct
Answers -Tyre grip is reduced, which may cause loss of control.
Before leaving the dunper for a rest break, after parking and switching off the engine.
a) What final action must be carried out.
b) And why? - Correct Answers -a) Key removed and door locked
b) To prevent unauthorised people from operating the machine.
When working in a confined area or space, name three hazards that can occur. -
Correct Answers -Noise, Dust, Fumes
What problems and hazards can soft ground cause to a loaded dumper? - Correct
Answers -Stunk and stuck machine.
How can a qualification or card benefit a plant operator? - Correct Answers -Credibility
and proof of skill.
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? - Correct Answers -The heaviest part of the machine is
kept uphill.
The function or job role of a dumper driver, when transporting materials is to? - Correct
Answers -Transport then efficiently and safely.
Apart from the operator, who else may need to use the machine's operator's manual? -
Correct Answers -Maintenance staff, supervisors and transporter drivers.
State two requirements of using a stop block or earth bank (berm) at a trench
discharging point. - Correct Answers -To indicate a stopping point and to stop you
driving into a trench.
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? - Correct Answers -a) Via an
engine driven pump.
b) There is no steering.
Give four reasons that may cause the dumper to tip over sideways during travel. -
Correct Answers -1: Deep potholes.
2: Speed on turning.
3: Tyre blown out.
4: Turning wrong on slopes.
CPCS TEST QUESTIONS AND
ANSWERS
Why are plant operators generally regarded as 'safety-critical' workers? - Correct
Answers -There actions could have significant health and safety consequenses on
themselves and others.
Name three problems that could occur if the skip is overloaded with a dense/compacted
material. - Correct Answers -1: Axels become overloaded.
2: Skip unable to skip.
3: Machine tips forward.
Discharging loads whilst moving is not considered best practice. Why would this be? -
Correct Answers -Instability could occur on uneven ground.
When parking the machine at the end of the shift, name three places where the
machine should not be parked. - Correct Answers -1: Soft.
2: Wet.
3: Steep ground.
If the machine is being travelled or working on the public highway, including adjacent
pavements and verges, the road traffic act applies.
a) What type of license and which class should the operator hold.
b) What is the minimum age allowed. - Correct Answers -a) UK driving license bearing
class b.
b) 18 is up to 7.5tonne and 21 is 7.5tonne+.
a) What determines the minimum distances that any part of the plant and machinery
has to be kept from over head electricity lines.
b) Explain why a distance should be kept. - Correct Answers -a) The voltage down the
line and if it's on metal/wooden poles.
b) High voltage can arc across large gaps in certain weather conditions.
Whenever possible, who should decide the positioning of the dumper when being
loaded? - Correct Answers -The excavator operator.
, When travelling on wet clay, what effect does this have on the dumper? - Correct
Answers -Tyre grip is reduced, which may cause loss of control.
Before leaving the dunper for a rest break, after parking and switching off the engine.
a) What final action must be carried out.
b) And why? - Correct Answers -a) Key removed and door locked
b) To prevent unauthorised people from operating the machine.
When working in a confined area or space, name three hazards that can occur. -
Correct Answers -Noise, Dust, Fumes
What problems and hazards can soft ground cause to a loaded dumper? - Correct
Answers -Stunk and stuck machine.
How can a qualification or card benefit a plant operator? - Correct Answers -Credibility
and proof of skill.
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? - Correct Answers -The heaviest part of the machine is
kept uphill.
The function or job role of a dumper driver, when transporting materials is to? - Correct
Answers -Transport then efficiently and safely.
Apart from the operator, who else may need to use the machine's operator's manual? -
Correct Answers -Maintenance staff, supervisors and transporter drivers.
State two requirements of using a stop block or earth bank (berm) at a trench
discharging point. - Correct Answers -To indicate a stopping point and to stop you
driving into a trench.
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? - Correct Answers -a) Via an
engine driven pump.
b) There is no steering.
Give four reasons that may cause the dumper to tip over sideways during travel. -
Correct Answers -1: Deep potholes.
2: Speed on turning.
3: Tyre blown out.
4: Turning wrong on slopes.
