What is the rule of thumb for the minimum compacted layer thickness to prevent full width
tearing of the mix as determined by the maximum aggregate size? - ANSWER The mini-
mum course thickness should be at least 3 times the largest aggregate size
What is the maximum depth you can excavate lower than the trench box? - ANSWER 2
feet
When installing a Class 1 Division 1 pipe and it will be running at 75% maximum pressure,
how much beyond the manufactures recommended pressure must it be tested? - AN-
SWER 1.25 times
In laying out an excavation site from a benchmark to a reference point and to an excavation
location, the distance from the benchmark are measured: - ANSWER Horizontally to both
the reference and the excavation location
What is tie wire used for when installing conductors? - ANSWER To fasten conductor to
insulator
When doing a preliminary pressure test on a water line for major leaks, what % of the de-
signed pressure should you test? - ANSWER 100%
An outdoor sign is accessible to vehicles but it is not protected from physical damage. The
bottom of this sign must be above the road at least ____ feet. - ANSWER 16
What is required when an employee must lean out over an opening to receive materials? -
ANSWER Personal fall arrest system
1
, If concrete has gone through a season and its starting to show crazing and scaling, what is
this caused by? - ANSWER Overworked
What is the primary benefit of obtaining good pre-compaction density on the mix with the
paver screed? - ANSWER Reduced differential compaction on low spots and rutted areas
What is the best way to cut any size of ductile iron pipe outside of a trench? - ANSWER
Abrasive cutoff saw
What type of bend cannot be used with plastic pipe? - ANSWER Mitered
What should a paving operator do when the asphalt truck is delayed? - ANSWER Stop
paving to keep the hopper as full as possible
If a bucket has a 5-6 cubic yard struck capacity, what would it's heaped capacity be? - AN-
SWER 5.25 - 6.3 CY
What machine is best used by a landscaper? - ANSWER Light utility dozer
What are the main categories of types of piles? - ANSWER Composite/wood/steel/con-
crete
What international color is used by contractors to mark boundaries of an excavation site? -
ANSWER White
The failure to use tilt, elevation or angle of the dozer blade, will result in? - ANSWER Bog-
ging of the dozer
When welding multiple pipes to a manifold, what is used to keep the pipe straight? - AN-
SWER Strongback
2
tearing of the mix as determined by the maximum aggregate size? - ANSWER The mini-
mum course thickness should be at least 3 times the largest aggregate size
What is the maximum depth you can excavate lower than the trench box? - ANSWER 2
feet
When installing a Class 1 Division 1 pipe and it will be running at 75% maximum pressure,
how much beyond the manufactures recommended pressure must it be tested? - AN-
SWER 1.25 times
In laying out an excavation site from a benchmark to a reference point and to an excavation
location, the distance from the benchmark are measured: - ANSWER Horizontally to both
the reference and the excavation location
What is tie wire used for when installing conductors? - ANSWER To fasten conductor to
insulator
When doing a preliminary pressure test on a water line for major leaks, what % of the de-
signed pressure should you test? - ANSWER 100%
An outdoor sign is accessible to vehicles but it is not protected from physical damage. The
bottom of this sign must be above the road at least ____ feet. - ANSWER 16
What is required when an employee must lean out over an opening to receive materials? -
ANSWER Personal fall arrest system
1
, If concrete has gone through a season and its starting to show crazing and scaling, what is
this caused by? - ANSWER Overworked
What is the primary benefit of obtaining good pre-compaction density on the mix with the
paver screed? - ANSWER Reduced differential compaction on low spots and rutted areas
What is the best way to cut any size of ductile iron pipe outside of a trench? - ANSWER
Abrasive cutoff saw
What type of bend cannot be used with plastic pipe? - ANSWER Mitered
What should a paving operator do when the asphalt truck is delayed? - ANSWER Stop
paving to keep the hopper as full as possible
If a bucket has a 5-6 cubic yard struck capacity, what would it's heaped capacity be? - AN-
SWER 5.25 - 6.3 CY
What machine is best used by a landscaper? - ANSWER Light utility dozer
What are the main categories of types of piles? - ANSWER Composite/wood/steel/con-
crete
What international color is used by contractors to mark boundaries of an excavation site? -
ANSWER White
The failure to use tilt, elevation or angle of the dozer blade, will result in? - ANSWER Bog-
ging of the dozer
When welding multiple pipes to a manifold, what is used to keep the pipe straight? - AN-
SWER Strongback
2
