A-5 Excavating, Grading and Oil Surfacing Questions With
Complete Solutions
At what speed is a vibratory roller best used?
2 to 3.5 mph
A motor grader with a pivot in the frame which is controlled by
two hydraulic cylinders which control the direction is called:
Articulated frame
A 2% grade over a horizontal distance of 85 feet has a vertical
rise of _________ feet.
1.7
What type of soil would you most likely use a trench box in?
Sandy soil
An asphalt crack that is between 1/8 inch and 1/2 inch width is
considered to be ________.
A small crack
In laying out an excavation site from a benchmark to a reference
point and to an excavation location, the distances from the bench
mark are measured:
Horizontally to both the reference point and the excavation
location
Which of the following is not an acceptable safety precaution for
someone who uses corrective lenses?
,Protective goggles with general magnification lenses
Soil has many characteristics, one is that it is expansive and:
Should not be used for backfill
What are the total number of cubic yards to come out of an
excavation for a basement that measures 30' x 30' x 7' deep?
You should excavate beyond the building lines 3 feet in each
direction to allow for setting forms. Do not allow for any swell
of the material
325.1 to 350.0
If blasting is the only way to excavate rock,
______________________.
Blast as crew is approaching
Refer to the illustration, what number identifies the toe of the
slope?
,#1
What is a wobble wheel roller best used for?
Rock and silt
Which of the following is used to prime coat the base?
MC-70
If you have 8 employees in your company and you move into a
new building, what safety precautions are required by OSHA?
Verbal explanation of emergency plan
Given: Two scrapers are being operated as a team for a highway
excavation. The scrapers are equipped with bumpers and bails
and each can provide power to help the other load. This type of
operation has been described as:
Push Pull
, If the contour and the fall on a grading plan is 5 feet and
contours are evenly spaced at 150 feet, the slope is:
0.03
Which type of system can be used if deep dewatering is needed
on a construction site?
Install several wells around the perimeter of the site
A 1500 foot trench is excavated with a power hoe to an average
depth of 8 feet. The base width of the trench if 4 feet. The sides
of the trench are vertical for the bottom 5 feet. The top 3 feet of
the trench banks are sloped at 1 to 1. The power hoe excavates
35 cubic yards of soil per hour (bank volume). The total number
of hours to excavate the trench is _______ hours. Do not add for
sloping of the end of the trench. Make no allowances for soil
expansion when excavated.
61 to 80
When excavating around utilities in a tight spot, which of the
following would be the best to use?
- Bucket line
- Dragline
- Wheel Trencher
- Backhoe
Backhoe
According to OSHA, an employer shall maintain certification of
training for employee's who might be exposed to fall hazards.
All of the following must be included on the certificate
Complete Solutions
At what speed is a vibratory roller best used?
2 to 3.5 mph
A motor grader with a pivot in the frame which is controlled by
two hydraulic cylinders which control the direction is called:
Articulated frame
A 2% grade over a horizontal distance of 85 feet has a vertical
rise of _________ feet.
1.7
What type of soil would you most likely use a trench box in?
Sandy soil
An asphalt crack that is between 1/8 inch and 1/2 inch width is
considered to be ________.
A small crack
In laying out an excavation site from a benchmark to a reference
point and to an excavation location, the distances from the bench
mark are measured:
Horizontally to both the reference point and the excavation
location
Which of the following is not an acceptable safety precaution for
someone who uses corrective lenses?
,Protective goggles with general magnification lenses
Soil has many characteristics, one is that it is expansive and:
Should not be used for backfill
What are the total number of cubic yards to come out of an
excavation for a basement that measures 30' x 30' x 7' deep?
You should excavate beyond the building lines 3 feet in each
direction to allow for setting forms. Do not allow for any swell
of the material
325.1 to 350.0
If blasting is the only way to excavate rock,
______________________.
Blast as crew is approaching
Refer to the illustration, what number identifies the toe of the
slope?
,#1
What is a wobble wheel roller best used for?
Rock and silt
Which of the following is used to prime coat the base?
MC-70
If you have 8 employees in your company and you move into a
new building, what safety precautions are required by OSHA?
Verbal explanation of emergency plan
Given: Two scrapers are being operated as a team for a highway
excavation. The scrapers are equipped with bumpers and bails
and each can provide power to help the other load. This type of
operation has been described as:
Push Pull
, If the contour and the fall on a grading plan is 5 feet and
contours are evenly spaced at 150 feet, the slope is:
0.03
Which type of system can be used if deep dewatering is needed
on a construction site?
Install several wells around the perimeter of the site
A 1500 foot trench is excavated with a power hoe to an average
depth of 8 feet. The base width of the trench if 4 feet. The sides
of the trench are vertical for the bottom 5 feet. The top 3 feet of
the trench banks are sloped at 1 to 1. The power hoe excavates
35 cubic yards of soil per hour (bank volume). The total number
of hours to excavate the trench is _______ hours. Do not add for
sloping of the end of the trench. Make no allowances for soil
expansion when excavated.
61 to 80
When excavating around utilities in a tight spot, which of the
following would be the best to use?
- Bucket line
- Dragline
- Wheel Trencher
- Backhoe
Backhoe
According to OSHA, an employer shall maintain certification of
training for employee's who might be exposed to fall hazards.
All of the following must be included on the certificate
