A56 CPCS ARTICULATED DUMP
TRUCK THEORY EXAM
QUESTIONS AND CORRECT ANSD
CORRECT ANSWERS LATEST
UPDATE REVISED STUDY GUIDE
2025/2026 .
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,1. Give TWO examples of where the Work at Height regulations may apply to dump trucks.✓✓ CORRECT
ANSWER 1. Access / egress to the cab
2. Access / egress to the engine compartment
3. Access to the body
4. Body maintenance
2. On articulated dump trucks, steering is achieved by actuating a hydraulic ram (or rams) which is controlled by
turning the steering wheel.
a) How does the engine supply the oil flow and
b) what happens to the steering when the engine stops?✓✓ CORRECT ANSWER a) The oil is supplied by the oil pump driven by the
engine
b) When the engine stops there is no steering
3. Where should the dump truck's Operator's Manual be kept and why?✓✓ CORRECT ANSWER The Operator's
Manual should be kept inside the machine in a place where the operator has easy access.
4. a) Give ONE advantage and
b) TWO disadvantages of rear-mounted cameras.✓✓ CORRECT ANSWER a) Allows the operator to see directly behind the machine
b) 1. The camera has a limited view
2. The view can be blinded by the sunlight
5. What does the Health and Safety at Work Act require employers to do with regards specifically to plant?✓✓
CORRECT ANSWER The employer must ensure the plant is safe and maintained.
6. Using the Operator's Manual, state the cold-starting procedure for the ma- chine.✓✓ CORRECT ANSWER
7. a) State the purpose of a retarder and
b) the possible consequences of not using it when required.✓✓ CORRECT ANSWER a) The retarder is a device that provides a partial
braking ettect on steep slopes
b) If it is not used then normal brakes have to be used which can cause a loss of grip on steep slopes leading to loss of control
8. If a load has to be tipped on a slope, what may happen if the load is tipped
downhill and why?✓✓ CORRECT ANSWER Weight transfer can cause the machine to tip rearwards due to the movement of the centre of gravity
9. The operator has to use a new type of dump truck that they are unfamiliar with. What do Regulations (i.e.
PUWER 98) and other guidance require the
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, operator to have?✓✓ CORRECT ANSWER The operator is required to have the correct instruction, training and up-to-date information on that particular machine
10. What is the meaning of this hand signal (being demonstrated by the Tester)?-
✓✓ CORRECT ANSWER
11. Using the Operator's Manual, state the figure for tyres' operating pressure.✓✓ CORRECT ANSWER
12. a) What determines the minimum distances that any part of plant and machinery has to be kept from
over head electricity lines and
b) explain why a distance should be kept.✓✓ CORRECT ANSWER a) The amount of voltage that runs through the electricity lines and the support used
for the electricity lines (wooden poles or metal poles)
b) Because the electricity can arch or jump gapsTh
13. How can a qualification or card benefit a plant operator?✓✓ CORRECT ANSWER The operator can prove his skills and have
better prospects of employment and promotion.
14. Operators should lower the body fully before driving away. Give TWO possi- ble consequences if this is not carried
out.✓✓ CORRECT ANSWER 1. The machine could tip over sideways especially on uneven ground while raised
2. The raised body could hit overhead obstacles
15. The rear axle units on most dump trucks pivot on the chassis. Explain the reason for pivoting axles.✓✓ CORRECT
ANSWER Allows the wheels to follow the terrain on uneven ground.
16. What problems and hazards can soft ground cause to a loaded dump truck?-
✓✓ CORRECT ANSWER 1. Slows the speed of the truck
2. Makes it diflcult to drive through
3. The machine can sink and get stuck
4. The machine can tip over sideways
17. Why should a dump truck be re-fuelled at the end of the day?✓✓ CORRECT ANSWER It prevents condensation
building up in the tank as it is cooling down.
18. If the machine is being travelled or working on the public highway, the Road Traffic Act applies.
a) What type of licence and which class should the operator hold and
b) what is the minimum age allowed?✓✓ CORRECT ANSWER a) Full UK Category B driving licence
b) 21 years old over 7.5 tonnes, 18 years old under 7.5 tonnes
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TRUCK THEORY EXAM
QUESTIONS AND CORRECT ANSD
CORRECT ANSWERS LATEST
UPDATE REVISED STUDY GUIDE
2025/2026 .
1/
16
,1. Give TWO examples of where the Work at Height regulations may apply to dump trucks.✓✓ CORRECT
ANSWER 1. Access / egress to the cab
2. Access / egress to the engine compartment
3. Access to the body
4. Body maintenance
2. On articulated dump trucks, steering is achieved by actuating a hydraulic ram (or rams) which is controlled by
turning the steering wheel.
a) How does the engine supply the oil flow and
b) what happens to the steering when the engine stops?✓✓ CORRECT ANSWER a) The oil is supplied by the oil pump driven by the
engine
b) When the engine stops there is no steering
3. Where should the dump truck's Operator's Manual be kept and why?✓✓ CORRECT ANSWER The Operator's
Manual should be kept inside the machine in a place where the operator has easy access.
4. a) Give ONE advantage and
b) TWO disadvantages of rear-mounted cameras.✓✓ CORRECT ANSWER a) Allows the operator to see directly behind the machine
b) 1. The camera has a limited view
2. The view can be blinded by the sunlight
5. What does the Health and Safety at Work Act require employers to do with regards specifically to plant?✓✓
CORRECT ANSWER The employer must ensure the plant is safe and maintained.
6. Using the Operator's Manual, state the cold-starting procedure for the ma- chine.✓✓ CORRECT ANSWER
7. a) State the purpose of a retarder and
b) the possible consequences of not using it when required.✓✓ CORRECT ANSWER a) The retarder is a device that provides a partial
braking ettect on steep slopes
b) If it is not used then normal brakes have to be used which can cause a loss of grip on steep slopes leading to loss of control
8. If a load has to be tipped on a slope, what may happen if the load is tipped
downhill and why?✓✓ CORRECT ANSWER Weight transfer can cause the machine to tip rearwards due to the movement of the centre of gravity
9. The operator has to use a new type of dump truck that they are unfamiliar with. What do Regulations (i.e.
PUWER 98) and other guidance require the
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, operator to have?✓✓ CORRECT ANSWER The operator is required to have the correct instruction, training and up-to-date information on that particular machine
10. What is the meaning of this hand signal (being demonstrated by the Tester)?-
✓✓ CORRECT ANSWER
11. Using the Operator's Manual, state the figure for tyres' operating pressure.✓✓ CORRECT ANSWER
12. a) What determines the minimum distances that any part of plant and machinery has to be kept from
over head electricity lines and
b) explain why a distance should be kept.✓✓ CORRECT ANSWER a) The amount of voltage that runs through the electricity lines and the support used
for the electricity lines (wooden poles or metal poles)
b) Because the electricity can arch or jump gapsTh
13. How can a qualification or card benefit a plant operator?✓✓ CORRECT ANSWER The operator can prove his skills and have
better prospects of employment and promotion.
14. Operators should lower the body fully before driving away. Give TWO possi- ble consequences if this is not carried
out.✓✓ CORRECT ANSWER 1. The machine could tip over sideways especially on uneven ground while raised
2. The raised body could hit overhead obstacles
15. The rear axle units on most dump trucks pivot on the chassis. Explain the reason for pivoting axles.✓✓ CORRECT
ANSWER Allows the wheels to follow the terrain on uneven ground.
16. What problems and hazards can soft ground cause to a loaded dump truck?-
✓✓ CORRECT ANSWER 1. Slows the speed of the truck
2. Makes it diflcult to drive through
3. The machine can sink and get stuck
4. The machine can tip over sideways
17. Why should a dump truck be re-fuelled at the end of the day?✓✓ CORRECT ANSWER It prevents condensation
building up in the tank as it is cooling down.
18. If the machine is being travelled or working on the public highway, the Road Traffic Act applies.
a) What type of licence and which class should the operator hold and
b) what is the minimum age allowed?✓✓ CORRECT ANSWER a) Full UK Category B driving licence
b) 21 years old over 7.5 tonnes, 18 years old under 7.5 tonnes
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