a) What determines the minimum distances that any part of plant
and machinery has to be kep from overhead electricity lines and
b) Explain why a distance should be kept. Correct Answers 1.
The amount of voltage that runs through the electricity lines and
the support used for the electricity lines (wooden poles or metal
poles)
2. Because the electricity can arch or jump gaps.
a) What is the purpose of a Method Statement and
b) What is required of the operator? Correct Answers a) A
Method Statement describes how the work will be done safely
and efficiently.
b) The Operator must be compliant with the Method Statement.
a) Why should the slewing direction be to the left wherever
possible and b) Explain why. Correct Answers a) b) Because
the right side is often obscured by the boom and visibility is
decreased.
Accessories must only be attached to manufacturers' approved
lifting points. Explain THREE possible consequences if the
recommendations are not followed. Correct Answers Failure or
damage can occur to accessories or load
The accessory can detach from machine
,The regulations have not been complied with
According to legislation, when are check valves and a rated
capacity or load moment indicator required? Correct Answers
If the machine is being used as a crane and is under the relevant
directives scope.
Apart from the operator, who else may need to use the machine's
Operator's Manual? Correct Answers Maintenance staff,
supervisors and transporter drivers.
Before leaving the cab for a rest break, after parking and
switching off the machine, what final action must be carried
out? Correct Answers Machine must be isolated, windows
closed, door closed and locked.
Before lowering into or moving a drag box into a trench, what
trench related checks must be made? Correct Answers It must
be checked if all the personnel has been cleared.
Before manually changing any bucket:
a) Where should the bucket be positioned (in relation to the
ground) before moving the final pin and
b) explain why Correct Answers a) The bucket should be
placed just off the ground
b) To prevent striking personnel
, Cable avoidance tools (CATS) can detect a variety of buried
services. What type of material do they have limitations in
locating? Correct Answers Plastic (services)
Describe a physical method of checking that a bucket is fully
secured to the quick-hitch coupler prior to work. Correct
Answers Implement rotation through complete range as close to
the ground as possible.
Describe TWO actions to be taken for an open trench at the end
of a working day. Correct Answers 1. Appropriate Open
Trench signage
2. Surrounded with physical barriers
During work, the engine starts to overheat. Explain the danger if
someone tries to remove the radiator or expansion tank cap.
Correct Answers Removing the radiator tank cap will cause the
hot liquid inside to be released under pressure and could cause
burns.
Explain ALL visual checks that must be carried out on all types
of quick-hitch bucket attaching systems before use. Correct
Answers 1. Check for any signs of damage to the coupler
2. Check for cracks or wear that might reduce the strength
3. Check for oil leaks
4. Check if attachments are the correct size and weight