EXCAVATOR THEORY
EXCAVATOR THEORY EXAM QUESTIONS AND ANSWERS
GRADED TO PASS.
If the operator has loaded the machine onto a transport/trailer on behalf of a
driver what checks must be carried out before they leave the cab? answer
>>>>1. The machine is in the agreed position
2. Bucket placed onto the bed of the low loader
3. Parking brake is applied and engine switched off
4. Windows shut
5. Chassis is central
Why should different soils be segregated during excavation? answer >>>>So that
the soils can be reused
If setting up to work in a confined area, name TWO things that should be taken
into account? answer >>>>1. The proximity of hazards
2. A place to place the spoil
3. Dust, noise and fume levels
4. Space to maneuver the machine
Before manually changing any bucket:
Where should the bucket be positioned in relation to the ground before removing
the final pin?
Explain why? answer >>>>The bucket should be place on the ground, if possible
flat level ground
,EXCAVATOR THEORY
To prevent the bucket swinging and hit yourself or others
Give FOUR reasons that may cause a machine to tip over sideways? answer
>>>>1. Travelling on a slope
2. Operating with an uneven load
3. Soft ground
4. Operating with a full load and boom fully extended
When must a banks-man/signaler be used before moving an excavator? answer
>>>>In any situation when the Operator cannot see the direction of travel
What needs to be inspected on a quick hitch coupler when attaching lifting
accessories to lift slung loads? answer >>>>locking system engaged
correct position
appropriate size and weight for attachment
Before lowering into or moving a drag box in a trench, what trench related checks
must be made? answer >>>>Must check that all personal are clear from the
trench
Where should the excavator’s operator’s manual be kept and why? answer
>>>>Inside the Machine to ensure easy access for all operators of the machine
If the excavator is carrying out deep excavating work using the full working range,
what hazards may occur answer >>>>May cause itself to tip into the trench
May excavate beneath the machine its self
, EXCAVATOR THEORY
With regards to lifting accessories, irrespective of who supplied the accessories,
what THREE factors should be ensured before the accessories are used? answer
>>>>1. Accessories have certificates
2. The correct accessory is being used for the load
3. The accessory has been serviced
4. No cracks or damage to the accessory
When an object needs to be lifted on a site, what should be the first consideration
of planning? answer >>>>planning the lifting operation by an authorized,
appointed person
Why must the controls be isolated before each load can be attached or
disconnected by the singer? answer >>>>To avoid injury to the slinger through
accidental operation of the controls
Give two examples of where the working at height Regulations may apply to
excavators? answer >>>>1. Getting in and out of the machine
2. checking the engine oil levels
Why should the excavator be re-fueled at the end of the day? answer >>>>To
prevent condensation building up inside the fuel tank as it cools down
The operator has to fit and use a new bucket using a quick hitch coupler that they
are unfamiliar with what do regulations and other guidance require the operator
to have answer >>>>That they have sufficient:
• Information
EXCAVATOR THEORY EXAM QUESTIONS AND ANSWERS
GRADED TO PASS.
If the operator has loaded the machine onto a transport/trailer on behalf of a
driver what checks must be carried out before they leave the cab? answer
>>>>1. The machine is in the agreed position
2. Bucket placed onto the bed of the low loader
3. Parking brake is applied and engine switched off
4. Windows shut
5. Chassis is central
Why should different soils be segregated during excavation? answer >>>>So that
the soils can be reused
If setting up to work in a confined area, name TWO things that should be taken
into account? answer >>>>1. The proximity of hazards
2. A place to place the spoil
3. Dust, noise and fume levels
4. Space to maneuver the machine
Before manually changing any bucket:
Where should the bucket be positioned in relation to the ground before removing
the final pin?
Explain why? answer >>>>The bucket should be place on the ground, if possible
flat level ground
,EXCAVATOR THEORY
To prevent the bucket swinging and hit yourself or others
Give FOUR reasons that may cause a machine to tip over sideways? answer
>>>>1. Travelling on a slope
2. Operating with an uneven load
3. Soft ground
4. Operating with a full load and boom fully extended
When must a banks-man/signaler be used before moving an excavator? answer
>>>>In any situation when the Operator cannot see the direction of travel
What needs to be inspected on a quick hitch coupler when attaching lifting
accessories to lift slung loads? answer >>>>locking system engaged
correct position
appropriate size and weight for attachment
Before lowering into or moving a drag box in a trench, what trench related checks
must be made? answer >>>>Must check that all personal are clear from the
trench
Where should the excavator’s operator’s manual be kept and why? answer
>>>>Inside the Machine to ensure easy access for all operators of the machine
If the excavator is carrying out deep excavating work using the full working range,
what hazards may occur answer >>>>May cause itself to tip into the trench
May excavate beneath the machine its self
, EXCAVATOR THEORY
With regards to lifting accessories, irrespective of who supplied the accessories,
what THREE factors should be ensured before the accessories are used? answer
>>>>1. Accessories have certificates
2. The correct accessory is being used for the load
3. The accessory has been serviced
4. No cracks or damage to the accessory
When an object needs to be lifted on a site, what should be the first consideration
of planning? answer >>>>planning the lifting operation by an authorized,
appointed person
Why must the controls be isolated before each load can be attached or
disconnected by the singer? answer >>>>To avoid injury to the slinger through
accidental operation of the controls
Give two examples of where the working at height Regulations may apply to
excavators? answer >>>>1. Getting in and out of the machine
2. checking the engine oil levels
Why should the excavator be re-fueled at the end of the day? answer >>>>To
prevent condensation building up inside the fuel tank as it cools down
The operator has to fit and use a new bucket using a quick hitch coupler that they
are unfamiliar with what do regulations and other guidance require the operator
to have answer >>>>That they have sufficient:
• Information
