A-5 EXCAVATING, GRADING AND
OIL SURFACING LATEST UPDATE
VERIFIED QUESTIONS & DETAILED
EXPLANATIONS GRADED A+
Professional Academic Assistance Services
In road construction the final grading is commonly guided by
stakes at subgrade elevations. What are these stakes called? -
Answer: Blue Tops
What is the definition of a type of soil that can be excavated
with vertical side slopes and remain intact while exposed? -
Answer: Stable Rock
According to OSHA, refueling trucks handling flammable
materials must carry a fire extinguisher rated at not less than: -
Answer: 20-B:C:
Using a builder's level, a cut stake is being set for the excavation
of a footing. The top of the footing will at an elevation of 94.00
feet. A backsite to the benchmark (elevation 102.50 feet) has a
rod reading of 4.70 feet. The rod reading of the mark on the cut
stake is 6.20 feet. The footing is 6 inches thick. The mark on the
,cut stake should read........? - Answer: C 7.50
If a rectangular shaped or other structure has edge
measurements of 56 feet by 90 feet, the diagonal measurement
should be___________ feet if all the corners are square. -
Answer: 106
Refer to the illustration, which number identifies the catch
point? - Answer: 2
On a plan where 1/2" equals 1 foot, a plan distance of 4-1/4"
would have a project distance of _______? - Answer: 8'6"
According to OSHA, ladders (or steps) are required in all
trenches or ditches at _______ feet or more in depth for an
adequate means of exit. - Answer: 4 feet
What is the definition of grade? - Answer: Rise over run
While trenching and excavating, OSHA requires that employees
be protected from excavated materials and other materials
stored near the trench or excavation. These materials must be
at least _________ from the trench or excavation. - Answer: 2
,feet
If a bucket holds 2.5 cubic yards of foliated rock, how much will
it hold if it is heaped up with loamy soil? - Answer: 4 to 6 cubic
yards
The volume change that occurs when soil goes from a
compacted state to an uncompacted state (such as when being
excavated) is called: - Answer: Swell
Best adhesion between asphalt cement and aggregate is
achieved when aggregate is in what state? - Answer: Hot and
dry
What type of retaining wall is designed and built to use only its
own weight and positioning to keep soil back? - Answer: Gravity
What does a standard proctor test determine? - Answer: Soil
density and optimum moisture content of the soil
The maximum lateral distance allowed to any means of egress
from a trench excavation that is 4 feet or more in depth is? -
Answer: 25
, All of the following Soil provisions are considered expansive
except for:
- more than 10% of soil particles pass a #200 sieve
- a plasticity index of 15 or greater
- at least 9% of soil particles are less than 5 micrometers in size
- an expansion index greater than 20 - Answer: At least 9% of
soil particles are less than 5 micrometers in size
What is the correct nozzle angle on a spray bar? - Answer: 15-30
degrees
What is added to hot mixed asphalt to make it more fluid? -
Answer: Asphalt cement or moisture
What is indicated by "J" on the illustration? - Answer: undercut
(over beak)
Refer to the illustration. What is the finished elevation of lot no.
409? - Answer: 152 feet 4 inches
OIL SURFACING LATEST UPDATE
VERIFIED QUESTIONS & DETAILED
EXPLANATIONS GRADED A+
Professional Academic Assistance Services
In road construction the final grading is commonly guided by
stakes at subgrade elevations. What are these stakes called? -
Answer: Blue Tops
What is the definition of a type of soil that can be excavated
with vertical side slopes and remain intact while exposed? -
Answer: Stable Rock
According to OSHA, refueling trucks handling flammable
materials must carry a fire extinguisher rated at not less than: -
Answer: 20-B:C:
Using a builder's level, a cut stake is being set for the excavation
of a footing. The top of the footing will at an elevation of 94.00
feet. A backsite to the benchmark (elevation 102.50 feet) has a
rod reading of 4.70 feet. The rod reading of the mark on the cut
stake is 6.20 feet. The footing is 6 inches thick. The mark on the
,cut stake should read........? - Answer: C 7.50
If a rectangular shaped or other structure has edge
measurements of 56 feet by 90 feet, the diagonal measurement
should be___________ feet if all the corners are square. -
Answer: 106
Refer to the illustration, which number identifies the catch
point? - Answer: 2
On a plan where 1/2" equals 1 foot, a plan distance of 4-1/4"
would have a project distance of _______? - Answer: 8'6"
According to OSHA, ladders (or steps) are required in all
trenches or ditches at _______ feet or more in depth for an
adequate means of exit. - Answer: 4 feet
What is the definition of grade? - Answer: Rise over run
While trenching and excavating, OSHA requires that employees
be protected from excavated materials and other materials
stored near the trench or excavation. These materials must be
at least _________ from the trench or excavation. - Answer: 2
,feet
If a bucket holds 2.5 cubic yards of foliated rock, how much will
it hold if it is heaped up with loamy soil? - Answer: 4 to 6 cubic
yards
The volume change that occurs when soil goes from a
compacted state to an uncompacted state (such as when being
excavated) is called: - Answer: Swell
Best adhesion between asphalt cement and aggregate is
achieved when aggregate is in what state? - Answer: Hot and
dry
What type of retaining wall is designed and built to use only its
own weight and positioning to keep soil back? - Answer: Gravity
What does a standard proctor test determine? - Answer: Soil
density and optimum moisture content of the soil
The maximum lateral distance allowed to any means of egress
from a trench excavation that is 4 feet or more in depth is? -
Answer: 25
, All of the following Soil provisions are considered expansive
except for:
- more than 10% of soil particles pass a #200 sieve
- a plasticity index of 15 or greater
- at least 9% of soil particles are less than 5 micrometers in size
- an expansion index greater than 20 - Answer: At least 9% of
soil particles are less than 5 micrometers in size
What is the correct nozzle angle on a spray bar? - Answer: 15-30
degrees
What is added to hot mixed asphalt to make it more fluid? -
Answer: Asphalt cement or moisture
What is indicated by "J" on the illustration? - Answer: undercut
(over beak)
Refer to the illustration. What is the finished elevation of lot no.
409? - Answer: 152 feet 4 inches
