FORWARD TIPPING DUMPER TEST CPCS
QUESTIONS AND VERIFIED ANSWERS
Why are plant operators generally regarded as 'safety-critical' workers?
ANSWER Their actions could have significant health and safety consequences
on themselves and others.
Name three problems that could occur if the skip is overloaded with a dense/
compacted material. ANSWER 1: Axels become overloaded.
2: Skip unable to skip.
3: Machine tips forward.
It is not best practice to discharge loads whilst on the move. Why could this be?
- ANSWER Instability on uneven ground may occur.
You are travelling on wet clay. What does this do to the dumper? - ANSWER
Reduces tyre grip, possible loss of control
Before leaving the dumper for a rest break, after parking and switching off the.
a) What action finally taken?
b) Why? - ANSWER a) Key taken out and door locked
b) To stop unauthorized operating of the machine.
When working in a confined area or space, identify three hazards that can take
place. - ANSWER Noise, Dust, Fumes
, What problems and hazards can soft ground be to a loaded dumper? -
ANSWER Stunk and stuck machine.
How could a qualification or card possibly assist a plant operator? - ANSWER
It can provide immediate credibility and proof of skill.
Manufacturers must make recommendations on how to travel a dumper up and
down inclines. If it is not known first hand what is the general rule about
travelling up and down slopes? - ANSWER The heavy part of the machine is
kept uphill.
The function or job role of a dumper driver, when transporting materials is to? -
ANSWER Transport then efficiently and safely.
Apart from the operator, who else may need to use the machine's operator's
manual? - ANSWER Maintenance staff, supervisors and transporter drivers.
State two requirements of using a stop block or earth bank (berm) at a trench
discharging point. - ANSWER 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? - ANSWER 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.
- ANSWER 1: Deep potholes.
QUESTIONS AND VERIFIED ANSWERS
Why are plant operators generally regarded as 'safety-critical' workers?
ANSWER Their actions could have significant health and safety consequences
on themselves and others.
Name three problems that could occur if the skip is overloaded with a dense/
compacted material. ANSWER 1: Axels become overloaded.
2: Skip unable to skip.
3: Machine tips forward.
It is not best practice to discharge loads whilst on the move. Why could this be?
- ANSWER Instability on uneven ground may occur.
You are travelling on wet clay. What does this do to the dumper? - ANSWER
Reduces tyre grip, possible loss of control
Before leaving the dumper for a rest break, after parking and switching off the.
a) What action finally taken?
b) Why? - ANSWER a) Key taken out and door locked
b) To stop unauthorized operating of the machine.
When working in a confined area or space, identify three hazards that can take
place. - ANSWER Noise, Dust, Fumes
, What problems and hazards can soft ground be to a loaded dumper? -
ANSWER Stunk and stuck machine.
How could a qualification or card possibly assist a plant operator? - ANSWER
It can provide immediate credibility and proof of skill.
Manufacturers must make recommendations on how to travel a dumper up and
down inclines. If it is not known first hand what is the general rule about
travelling up and down slopes? - ANSWER The heavy part of the machine is
kept uphill.
The function or job role of a dumper driver, when transporting materials is to? -
ANSWER Transport then efficiently and safely.
Apart from the operator, who else may need to use the machine's operator's
manual? - ANSWER Maintenance staff, supervisors and transporter drivers.
State two requirements of using a stop block or earth bank (berm) at a trench
discharging point. - ANSWER 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? - ANSWER 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.
- ANSWER 1: Deep potholes.
