NC General Contractors Exam CORRECT
QUESTIONS & ANSWERS(GRADED A)
inspection dept performs the following inspections: - 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 - 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 - ANSWER
the distance shown on a reference stake is... - ANSWER the horizontal measurement of the distance from
the hub to center line of the end of the fill. Also called the "offset"
Slope= - ANSWER Rise divided by Run
What is angle of a 100% slope - ANSWER 45*
Which rock is the hardest to excavate or rip? - ANSWER Igneous Rock (or ignorant, hardheaded)
, What is igneous rock formed from? - ANSWER Molten magma
Which rock is the easiest to excavate or rip? - ANSWER Sedimentary Rock
How is Sedimentary rock formed? - ANSWER formed from sediments being compressed by other
overlying sediments or water
What is the level of underground water called? - ANSWER Water table
Does the water table vary? - ANSWER Yes, from season to season
What is the function of a well point system? - ANSWER used to lower the groundwater table in bad
groundwater conditions
Ground water causes what 2 issues? - ANSWER 1. unstable soil that's dangerous to work in
2. impossible to backfill
What is the optimum moisture content? - ANSWER The right amount of moisture for compaction to
maximum density
What are the 3 methods of determining soil density? - ANSWER 1. Proctor test
2. Sand cone test
3. Nuclear Density test
Which of the 3 soil tests are the most advantageous and why? - 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? - ANSWER They are used on extremely large earth moving projects
QUESTIONS & ANSWERS(GRADED A)
inspection dept performs the following inspections: - 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 - 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 - ANSWER
the distance shown on a reference stake is... - ANSWER the horizontal measurement of the distance from
the hub to center line of the end of the fill. Also called the "offset"
Slope= - ANSWER Rise divided by Run
What is angle of a 100% slope - ANSWER 45*
Which rock is the hardest to excavate or rip? - ANSWER Igneous Rock (or ignorant, hardheaded)
, What is igneous rock formed from? - ANSWER Molten magma
Which rock is the easiest to excavate or rip? - ANSWER Sedimentary Rock
How is Sedimentary rock formed? - ANSWER formed from sediments being compressed by other
overlying sediments or water
What is the level of underground water called? - ANSWER Water table
Does the water table vary? - ANSWER Yes, from season to season
What is the function of a well point system? - ANSWER used to lower the groundwater table in bad
groundwater conditions
Ground water causes what 2 issues? - ANSWER 1. unstable soil that's dangerous to work in
2. impossible to backfill
What is the optimum moisture content? - ANSWER The right amount of moisture for compaction to
maximum density
What are the 3 methods of determining soil density? - ANSWER 1. Proctor test
2. Sand cone test
3. Nuclear Density test
Which of the 3 soil tests are the most advantageous and why? - 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? - ANSWER They are used on extremely large earth moving projects
