NC General Contractors Exam UPDATED ACTUAL Questions and CORRECT
Answers
1. footing
2. under slab
3. foundation/ wood framing
4. rough-in
inspection dept performs the following inspections:
5. building framing
6. insulation
7. fire protection
8. final
1. family residence up to 8 attached units
2. a building used by a farmer (unless it involves the health
or safety of the public)
exceptions to design professional seal requirement 3. an institutional or commercial bldg less than $90,000 or
exceed 2500 sq ft.
4. reno which doesn't alter structural system, egress, or
live/ dead load.
Name the parts of a reference stake
the horizontal measurement of the distance from the hub
the distance shown on a reference stake is...
to center line of the end of the fill. Also called the "offset"
Slope= Rise divided by Run
What is angle of a 100% slope 45*
Which rock is the hardest to excavate or rip? Igneous Rock (or ignorant, hardheaded)
What is igneous rock formed from? Molten magma
Which rock is the easiest to excavate or rip? Sedimentary Rock
formed from sediments being compressed by other over-
How is Sedimentary rock formed?
lying sediments or water
What is the level of underground water called? Water table
Does the water table vary? Yes, from season to season
, used to lower the groundwater table in bad groundwater
What is the function of a well point system?
conditions
1. unstable soil that's dangerous to work in
Ground water causes what 2 issues?
2. impossible to backfill
The right amount of moisture for compaction to maximum
What is the optimum moisture content?
density
1. Proctor test
What are the 3 methods of determining soil density? 2. Sand cone test
3. Nuclear Density test
Nuclear density because soil samples are not taken from
Which of the 3 soil tests are the most advantageous and
the site to perform the test therefore it is a non- destructive
why?
test. Proctor and Sand Cone tests are "destructive"
When are Push Scrapers used? They are used on extremely large earth moving projects
A self loading scraper is commonly referred to as a what? a Pan
When the soil is muddy or hard a self loading scraper is being assissted by a dozer pushing on the blocks to the
more eflcient when.... rear of the bowl.
What is a positive grade and negative grade? Uphill slope and downhill slope
Blade capacity of dozer if the load is being pushed down-
Capacity if doubled
hill at 40%
If the dozer is on positive 40% slope, what is the blade
Cut in half, cut in half, double
capacity, production and production?
If the dozer is on negative 40% slope, what is the blade
Doubles, doubles, Cut in half
capacity, production and production?
The "A" blade or angled blade because the dozer can side
cast material in a "Windrow" and position it at 90* to
What is the most eflcient angle of the dozer blade and
the line of travel. The "S" blade or bull dozer allows the
why?
material to spill over each side making less eflcient than
"A" blade.
2/8
Answers
1. footing
2. under slab
3. foundation/ wood framing
4. rough-in
inspection dept performs the following inspections:
5. building framing
6. insulation
7. fire protection
8. final
1. family residence up to 8 attached units
2. a building used by a farmer (unless it involves the health
or safety of the public)
exceptions to design professional seal requirement 3. an institutional or commercial bldg less than $90,000 or
exceed 2500 sq ft.
4. reno which doesn't alter structural system, egress, or
live/ dead load.
Name the parts of a reference stake
the horizontal measurement of the distance from the hub
the distance shown on a reference stake is...
to center line of the end of the fill. Also called the "offset"
Slope= Rise divided by Run
What is angle of a 100% slope 45*
Which rock is the hardest to excavate or rip? Igneous Rock (or ignorant, hardheaded)
What is igneous rock formed from? Molten magma
Which rock is the easiest to excavate or rip? Sedimentary Rock
formed from sediments being compressed by other over-
How is Sedimentary rock formed?
lying sediments or water
What is the level of underground water called? Water table
Does the water table vary? Yes, from season to season
, used to lower the groundwater table in bad groundwater
What is the function of a well point system?
conditions
1. unstable soil that's dangerous to work in
Ground water causes what 2 issues?
2. impossible to backfill
The right amount of moisture for compaction to maximum
What is the optimum moisture content?
density
1. Proctor test
What are the 3 methods of determining soil density? 2. Sand cone test
3. Nuclear Density test
Nuclear density because soil samples are not taken from
Which of the 3 soil tests are the most advantageous and
the site to perform the test therefore it is a non- destructive
why?
test. Proctor and Sand Cone tests are "destructive"
When are Push Scrapers used? They are used on extremely large earth moving projects
A self loading scraper is commonly referred to as a what? a Pan
When the soil is muddy or hard a self loading scraper is being assissted by a dozer pushing on the blocks to the
more eflcient when.... rear of the bowl.
What is a positive grade and negative grade? Uphill slope and downhill slope
Blade capacity of dozer if the load is being pushed down-
Capacity if doubled
hill at 40%
If the dozer is on positive 40% slope, what is the blade
Cut in half, cut in half, double
capacity, production and production?
If the dozer is on negative 40% slope, what is the blade
Doubles, doubles, Cut in half
capacity, production and production?
The "A" blade or angled blade because the dozer can side
cast material in a "Windrow" and position it at 90* to
What is the most eflcient angle of the dozer blade and
the line of travel. The "S" blade or bull dozer allows the
why?
material to spill over each side making less eflcient than
"A" blade.
2/8
