General Engineering Contractor's License – 1
CORRECT 100%
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 minimum 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? - ANSWER 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 designed 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
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
Using the ASTM metric designation for steel reinforcing bars adopted in 1996, a #25 bar is the standard
replacement of what diameter in inches? - ANSWER 1 inch
What is the motor grader primarily used for? - ANSWER To trim and fill the cut site and process material
What type of material is pipe made from which carries ethanol? - ANSWER Stainless steel
What should never be used when giving directions to a job site? - ANSWER Left and right
Under which condition would you use concrete with low heat hydration? - ANSWER Structures with
considerable mass
The maximum size valve recommended to be installed on ductile iron pipe without the support is: -
ANSWER 10 inch
What is the minimum height required from the bottom of a warning sign to the road on a freeway? -
ANSWER 7 feet from the asphalt
What type of material is the appropriate choice for bedding concrete pipe or slab? - ANSWER Class A
bedding
What is the minimum wall thickness of ductile iron pipe allowed before restrained joints are required? -
ANSWER .25
CORRECT 100%
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 minimum 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? - ANSWER 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 designed 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
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
Using the ASTM metric designation for steel reinforcing bars adopted in 1996, a #25 bar is the standard
replacement of what diameter in inches? - ANSWER 1 inch
What is the motor grader primarily used for? - ANSWER To trim and fill the cut site and process material
What type of material is pipe made from which carries ethanol? - ANSWER Stainless steel
What should never be used when giving directions to a job site? - ANSWER Left and right
Under which condition would you use concrete with low heat hydration? - ANSWER Structures with
considerable mass
The maximum size valve recommended to be installed on ductile iron pipe without the support is: -
ANSWER 10 inch
What is the minimum height required from the bottom of a warning sign to the road on a freeway? -
ANSWER 7 feet from the asphalt
What type of material is the appropriate choice for bedding concrete pipe or slab? - ANSWER Class A
bedding
What is the minimum wall thickness of ductile iron pipe allowed before restrained joints are required? -
ANSWER .25
