A. What determines the minimum distances that any part of plan
of plant and machinery has to be kept from overhead electricity
lines and
B. Explain why a distance should be kept Correct Answers A.
Voltage and type of support i.e. Metal pylon or wooden poles
B. Hi voltage can arc large gaps in certain condition
A. What is the purpose of a method statement and
B. What is required of the operator? Correct Answers A. It's a
document that states how a work task is carried out SAFELY
B. Follow it!! (legal requirement)
A. Why should the slewing direction be to the left wherever
possible and
B. Explain why Correct Answers A. For greater
B. The boom obstructs the vision to the right
accessories must only be attached to manufactures approved
lifting points. Explain THREE possible consequences if the
recommendations are not followed. Correct Answers 1. Cause
damage to the load, accessories or machine
2. Loads can fall
3. It's against regulations
According to legislation, when are check valves and a rated
capacity or load moment indicator required? Correct Answers
When the SWL of the machine exceeds 1 TON
,Apart from the operator, who else may need to use the machine's
operator's manual? Correct Answers Planners, supervisors,
fitters
Before leaving the cab for a rest break, after parking and
switching off the machine, what final action must be carried
out? Correct Answers Isolate by removing the key to prevent
unauthorised use
Before lowering into or moving a drag box into a trench, what
trench-related checks must be made? Correct Answers Clear
the trench of personnel/equipment
Before manually changing any bucket:
A. Where should the bucket be positioned (in relation to the
ground) before removing the final pin
B. Explain why Correct Answers A. Touching the ground
B. To prevent injuries
Cable avoidance tools (CATs) can detect a variety of buried
services. What type of material do they have limitations in
locating? Correct Answers Plastics
Describe a physical method of checking that a bucket is fully
secured to the quick hitch coupler prior to work. Correct
Answers A. Raise the attachment and rotate fully back and forth
B. Place on the ground and attempt to unhook it
Describe TWO actions to be taken for an open trench at the end
of a working day. Correct Answers Signed and fanced off
Notifying an excavation
, During work, the engine starts to overheat. Explain the danger if
someone tries to remove the radiator or expansion tank cap.
Correct Answers Hot fluid under pressure can escape
uncontrollably causing severe burns.
Explain all visual checks that must be carried out on all types of
quick hitch bucket attaching systems before use. Correct
Answers 1. Damage to the coupler attachment - hoses
2. All parts available fitted correctly
3. Any safety device fitted is working
4. All pins are located correctly locked and secured
Explain the purpose of a lift plan. Correct Answers Is a
document that describes how a lifting task is carried out safely
and the resources that are to be used
Give FOUR reasons that may cause the machine to tip over -
forwards and/or sideways Correct Answers 1. Soft ground
2. Too heavy a load
3. Working over the tracks
4. Slopes undercutting
5. Overextending
Give THREE reasons why an oversize bucket should not be
used when excavating trenches to specification. Correct
Answers A. Takes longer to excavate
B. Creates instability potentially
C. Spoil placing
D. Requires more backfill