NC General Contractors UPDATED Exam
Questions and CORRECT Answers
inspection dept performs the following inspections: - Correct Answer- 1. footing
2. under slab
3. foundation/ wood framing
4. rough-in
5. building framing
6. insulation
7. fire protection
8. final
exceptions to design professional seal requirement - Correct Answer- 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)
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 - Correct Answer-
the distance shown on a reference stake is... - Correct Answer- the horizontal measurement of
the distance from the hub to center line of the end of the fill. Also called the "offset"
Slope= - Correct Answer- Rise divided by Run
What is angle of a 100% slope - Correct Answer- 45*
Which rock is the hardest to excavate or rip? - Correct Answer- Igneous Rock (or ignorant,
hardheaded)
, What is igneous rock formed from? - Correct Answer- Molten magma
Which rock is the easiest to excavate or rip? - Correct Answer- Sedimentary Rock
How is Sedimentary rock formed? - Correct Answer- formed from sediments being
compressed by other overlying sediments or water
What is the level of underground water called? - Correct Answer- Water table
Does the water table vary? - Correct Answer- Yes, from season to season
What is the function of a well point system? - Correct Answer- used to lower the groundwater
table in bad groundwater conditions
Ground water causes what 2 issues? - Correct Answer- 1. unstable soil that's dangerous to
work in
2. impossible to backfill
What is the optimum moisture content? - Correct Answer- The right amount of moisture for
compaction to maximum density
What are the 3 methods of determining soil density? - Correct Answer- 1. Proctor test
2. Sand cone test
3. Nuclear Density test
Which of the 3 soil tests are the most advantageous and why? - Correct Answer- Nuclear
density because soil samples are not taken from the site to perform the test therefore it is a
non- destructive test. Proctor and Sand Cone tests are "destructive"
When are Push Scrapers used? - Correct Answer- They are used on extremely large earth
moving projects
A self loading scraper is commonly referred to as a what? - Correct Answer- a Pan
Questions and CORRECT Answers
inspection dept performs the following inspections: - Correct Answer- 1. footing
2. under slab
3. foundation/ wood framing
4. rough-in
5. building framing
6. insulation
7. fire protection
8. final
exceptions to design professional seal requirement - Correct Answer- 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)
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 - Correct Answer-
the distance shown on a reference stake is... - Correct Answer- the horizontal measurement of
the distance from the hub to center line of the end of the fill. Also called the "offset"
Slope= - Correct Answer- Rise divided by Run
What is angle of a 100% slope - Correct Answer- 45*
Which rock is the hardest to excavate or rip? - Correct Answer- Igneous Rock (or ignorant,
hardheaded)
, What is igneous rock formed from? - Correct Answer- Molten magma
Which rock is the easiest to excavate or rip? - Correct Answer- Sedimentary Rock
How is Sedimentary rock formed? - Correct Answer- formed from sediments being
compressed by other overlying sediments or water
What is the level of underground water called? - Correct Answer- Water table
Does the water table vary? - Correct Answer- Yes, from season to season
What is the function of a well point system? - Correct Answer- used to lower the groundwater
table in bad groundwater conditions
Ground water causes what 2 issues? - Correct Answer- 1. unstable soil that's dangerous to
work in
2. impossible to backfill
What is the optimum moisture content? - Correct Answer- The right amount of moisture for
compaction to maximum density
What are the 3 methods of determining soil density? - Correct Answer- 1. Proctor test
2. Sand cone test
3. Nuclear Density test
Which of the 3 soil tests are the most advantageous and why? - Correct Answer- Nuclear
density because soil samples are not taken from the site to perform the test therefore it is a
non- destructive test. Proctor and Sand Cone tests are "destructive"
When are Push Scrapers used? - Correct Answer- They are used on extremely large earth
moving projects
A self loading scraper is commonly referred to as a what? - Correct Answer- a Pan
