Articulated dump Truck A56 questions
and correct answers passed
Give two examples of where the work at height regulations may apply to a dump truck? - ANS
✔When carrying out any maintenance, or when getting on and off the vehicle.
On articulated dump trucks on the steering is achieved by actuating a hydraulic RAM or rams,
which is controlled by turning the steering wheel. How does the engine supply oil flow and what
happens to the stream when the engine stops? - ANS ✔All is supplied by an engine driven
pump, no steering or limiter steering is available when the engine stops.
Where should the dump Trucks operators manual be kept and why? - ANS ✔In an easy
accessible location, preferably on the vehicle.
Give one advantage and two disadvantages to rear mounted cameras? - ANS ✔The advantages
it covers blindspot where the mirrors cannot see disadvantages. the Sun can get in on the
camera and also it can be get covered in mud.
What does the health and safety at work act require employers to do with regard specifically to
plant? - ANS ✔Suppliers should provide maintained and safe plant for use. There isn't no risk to
persons.
State purpose of a retarder? - ANS ✔To assist with breaking by using the engine to slow the
Machine down to prevent brake fade.
If a load has to be tipped on a slope, what may happen if the load is tipped downhill, and why? -
ANS ✔Firstly, the centre of gravity move upward and rearward, which can cause lateral
instability, and also the load can roll down, continue to roll down the hill and could cause an
accident.
, The operator has to use a new type of dump truck that they unfamiliar with what the
regulations (PUWER 1998) and other guidance require the operator to have? - ANS ✔Suitable
information, instruction and training.
What is the meaning of this hand signal? - ANS ✔Shown by tester
What determines the minimum distance that any part of plant and machinery have to be kept
from overhead, electricity lines, and explain why the distance should be kept? - ANS ✔It
depends if it is high or low voltage, the type of construction of the support poles being metal or
wooden, in certain circumstances such as rain. High voltage on metal poles can park further.
How can a qualification or card benefit a plan operator? - ANS ✔It gives them credibility proof
of training, better promotional prospects and better wages.
Operators should lower the body fully before driving away.
Give to possible consequence if this is not carried out - ANS ✔You could hit overhead hazards
and the load centre is raised and moved to the rear, which could cause lateral instability.
The rear axle units on most dump trucks pivot on the chassis, explain the reasons for pivoting
axles? - ANS ✔To ensure the wheels have Constant grip with the ground on uneven or rough
terrain.
What problems and hazards can soft ground cause a loaded dump truck? - ANS ✔It can cause
them to slow down, sink, and possibly trip over.
If the machine is being traveled or working on the public highway, the road traffic act applies
what type of license which class should the operator hold and what is the minimum age
allowed? - ANS ✔The minimum age is 18, up to 7.5 ton and then 21 years of age over 7.5 ton.
The losses should be a full UK class B license.
and correct answers passed
Give two examples of where the work at height regulations may apply to a dump truck? - ANS
✔When carrying out any maintenance, or when getting on and off the vehicle.
On articulated dump trucks on the steering is achieved by actuating a hydraulic RAM or rams,
which is controlled by turning the steering wheel. How does the engine supply oil flow and what
happens to the stream when the engine stops? - ANS ✔All is supplied by an engine driven
pump, no steering or limiter steering is available when the engine stops.
Where should the dump Trucks operators manual be kept and why? - ANS ✔In an easy
accessible location, preferably on the vehicle.
Give one advantage and two disadvantages to rear mounted cameras? - ANS ✔The advantages
it covers blindspot where the mirrors cannot see disadvantages. the Sun can get in on the
camera and also it can be get covered in mud.
What does the health and safety at work act require employers to do with regard specifically to
plant? - ANS ✔Suppliers should provide maintained and safe plant for use. There isn't no risk to
persons.
State purpose of a retarder? - ANS ✔To assist with breaking by using the engine to slow the
Machine down to prevent brake fade.
If a load has to be tipped on a slope, what may happen if the load is tipped downhill, and why? -
ANS ✔Firstly, the centre of gravity move upward and rearward, which can cause lateral
instability, and also the load can roll down, continue to roll down the hill and could cause an
accident.
, The operator has to use a new type of dump truck that they unfamiliar with what the
regulations (PUWER 1998) and other guidance require the operator to have? - ANS ✔Suitable
information, instruction and training.
What is the meaning of this hand signal? - ANS ✔Shown by tester
What determines the minimum distance that any part of plant and machinery have to be kept
from overhead, electricity lines, and explain why the distance should be kept? - ANS ✔It
depends if it is high or low voltage, the type of construction of the support poles being metal or
wooden, in certain circumstances such as rain. High voltage on metal poles can park further.
How can a qualification or card benefit a plan operator? - ANS ✔It gives them credibility proof
of training, better promotional prospects and better wages.
Operators should lower the body fully before driving away.
Give to possible consequence if this is not carried out - ANS ✔You could hit overhead hazards
and the load centre is raised and moved to the rear, which could cause lateral instability.
The rear axle units on most dump trucks pivot on the chassis, explain the reasons for pivoting
axles? - ANS ✔To ensure the wheels have Constant grip with the ground on uneven or rough
terrain.
What problems and hazards can soft ground cause a loaded dump truck? - ANS ✔It can cause
them to slow down, sink, and possibly trip over.
If the machine is being traveled or working on the public highway, the road traffic act applies
what type of license which class should the operator hold and what is the minimum age
allowed? - ANS ✔The minimum age is 18, up to 7.5 ton and then 21 years of age over 7.5 ton.
The losses should be a full UK class B license.
