What is generally accepted as a rolling pass - CORRECT ANSWER Compacting One Direction and
returning in the same path back to the start point
In what situation does a hardhat not need to be worn when operating a ride on roller - CORRECT
ANSWER Only when sitting in an enclosed cab/structure that meets a fops criteria
List six typical subject areas that should be covered in a site induction? - CORRECT ANSWER Access and
egress, accident reporting, confined spaces, buried services, contamination Welfare facilities, electricity
supplies, emergency procedures, escape routes, first aid point, excavations, fire procedures, method
statements, plant and equipment use, lifting operations,working at height, reporting procedures,
reporting structure, restricted and prohibited areas, safety signs and signals, site layout, waste disposal,
smoking, facilities, toilets and traffic routes
On an articulated ride on roller the 2 half's of the chassis can oscillate or twist what is the purpose of
this? - CORRECT ANSWER It allows each roller to contact the uneven ground and provide compaction
Generally what is the thickness of soil should be compacted before another layer is laid? - CORRECT
ANSWER Approximately 200 mm
What is regarded as a Communist route for poor compaction - CORRECT ANSWER Compacting too thick
layer of material
Name four factors that determine the number of rolling passes - CORRECT ANSWER Machine, weight,
drum width, type of drum, type of material, thickness of material, amplitude setting, and moisture
content
Name three ways in which an operator can maximise their impact on the environment whilst using the
machine - CORRECT ANSWER Efficient use, lower engine speed, well maintained machine, correct
disposal of waste, no spillages of fluids, use biofuels/oils, prior planning for work tasks for efficient use.
, If working in a pedestrianised area state three factors that need to be taken into account - CORRECT
ANSWER Physical segregation of pedestrians from work, machine movement, noise, fumes,dust.
What are the possible outcomes are facing prosecution for not complying with legislation or regulations
- CORRECT ANSWER Fine imprisonment case dismissal
How can a qualification or card benefit of plant operator - CORRECT ANSWER Credibility, proof of skills,
employment prospects and better promotional prospects
Three possible reasons why ride on rollers should not stray off a designated travel route - CORRECT
ANSWER They can damage underground services, ruin unspoiled ground, ruin ground prepared for
work, gets stuck due to soft conditions, may stray onto designated routes for other plant.
By how many times is a vibratory pass more efficient than a dead white pass - CORRECT ANSWER
Usually, three passes
What problems and hazards can soft ground cause to a ride on roller - CORRECT ANSWER It slows the
speed of the roller, it makes it difficult to drive through, the machine can sink, and can get stuck and it
can also tip over sidewards
If travelling on wet soil what effect does this have on the ride on roller - CORRECT ANSWER Grip is
reduced, which may cause loss of control
What is the purpose of a rops cab or frame? - CORRECT ANSWER To provide some protection to the
operating position as far (as reasonably practical) in the event of a overturn of the machine.
If the machine is being travelled or working on a public highway, the road traffic in applies , what type of
license and which class should the operator hold? and what is the minimum age allowed? - CORRECT
ANSWER A UK approved driving license car b and G 21 years of age or 17 years of age for roller with a
metal hard rollers weighing less than 11.69 tons.
Usually operators manual state the cold start procedure. - CORRECT ANSWER As per the manual.