Excavator Theory Test 2023 Questions

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? - 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? - 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? - 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? - The bucket should be place on the ground, if possible flat level ground To prevent the bucket swinging and hit yourself or others Give FOUR reasons that may cause a machine to tip over sideways? - 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? - 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? - 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? - Must check that all personal are clear from the trench Where should the excavators operators manual be kept and why? - 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 - May cause it's self to tip into the trench May excavate beneath the machine its self With regards to lifting accessories, irrespective of who supplied the accessories , what THREE factors should be ensured before the accessories are used? - 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? - 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? - 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? - 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? - 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 - That they have sufficient: • Information • Instruction • Training Name FOUR different levels of disciplinary actions - 1• Verbal warning 2• Written warning 3• Sack 4• Prosecution In what situation does a hard hat not need to be worn when operating a excavator? - When enclosed is a FOPS (falling objects protection structure) that meets regulations What is the purpose of the counterweight of the machine? - To counterbalance the weight of the bucket or attachment or whats in the bucket (when fully extended) If the machines rated capacity chart is not available what other method can be used to determine the machines lifting capacity? - No other method is possible only the manufactures specs and charts should be used.. who determines the lifting capacity of the machine? - The manufactuer What determines the minimum distance that any part of plant or machinery has to be kept from overhead electricity lines? Why should this distance be kept? - • Voltage determines the distance • Wood low voltage 9m • Metal high voltage 15m • Because the electricity can arc and jump the gap If setting up for work in a pedestrianized area state THREE factors that need to be taken into account - 1. Safe route for pedestrians with fences and signs 2. Make sure there is enough room for materials and machines movements 3. Noise, dust and fume levels should be kept as low as possible 4. Method statement and risk assessment are in place When slewing with a load, where should the operator be looking? - ahead of the load in the direction that the load is travelling. Cable avoidance tools can detects a variety of underground services, what type of material do they have limitations locating - Plastic services If the loading shovel is being travelled or working on the public highway, the road traffic act applies. What type of licence and which classes should the operator hold? Minimum age allowed? - Full UK class B and Class H if tracked Minimum 21 years old If a trench has a depth of 2 meters what is the minimum distance to maintain from the edge of the trench when placing spoil? Explain why? - Minimum 2 meters To avoid the trench collapsing under the weight of the spoil If a yellow marker tape if unearthed which TWO type of services could this indicate? - 1. Gas 2. Electricity Name THREE ways that a plant operator can contribute in ensuring repeat business with the client or principal contractor? - • Being punctual • Safe working practice • Co-operation with other work force on site • Compliant with the method statement