CPCS Excavator Operations

Question 1

When positioning a tracked excavator on a slope, which direction should the tracks face for maximum stability?

Accepted Answer

Parallel to the slope with the drive sprockets uphill

Answer

Perpendicular to the slope

Answer

At a 45-degree angle to the slope

Answer

It does not matter as long as the outriggers are deployed

Question 2

What is the correct procedure before slewing an excavator with a loaded bucket?

Accepted Answer

Check the swing area is clear of personnel and obstructions

Answer

Sound the horn and slew immediately

Answer

Raise the boom to maximum height then slew

Answer

Lower the bucket to ground level then slew

Question 3

What does the term 'working radius' mean in relation to an excavator?

Accepted Answer

The horizontal distance from the centre of rotation to the bucket edge

Answer

The maximum distance the machine can travel in one shift

Answer

The total area of the construction site

Answer

The distance between the tracks

Question 4

When excavating near underground services, what is the safe hand-digging distance from the indicated line of the service?

Accepted Answer

500mm either side

Answer

300mm either side

Answer

1 metre either side

Answer

2 metres either side

Question 5

What should an excavator operator do if they strike an underground cable during digging?

Accepted Answer

Stop work immediately, move everyone away, and report it

Answer

Continue digging carefully around it

Answer

Try to repair the cable themselves

Answer

Cover it back up and move to a different area

Question 6

What is the purpose of the quick hitch (quick coupler) on an excavator?

Accepted Answer

To allow rapid attachment changes without leaving the cab

Answer

To increase the machine's digging depth

Answer

To improve the fuel efficiency of the machine

Answer

To connect the machine to a trailer for transport