A-5 Excavating, Grading and Oil Surfacing
COMPREHENSIVE TEST BANK FINAL EXAM 2026-
2027/COMPLETE ACTUAL EXAM QUESTIONS AND
CORRECT ANSWERS (VERIFIED ANSWERS) ALREADY
GRADED A+ PASS GUARANTEED \Civil Engineering
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
ANSWERS: At least 9% of soil particles are less than 5 micrometers
in size
What is the correct nozzle angle on a spray bar?
ANSWERS: 15-30 degrees
What is added to hot mixed asphalt to make it more fluid?
ANSWERS: Asphalt cement or moisture
,What is indicated by "J" on the illustration?
ANSWERS: undercut (over beak)
Refer to the illustration. What is the finished elevation of lot no.
409?
ANSWERS: 152 feet 4 inches
What grading operation requires the most operator skill?
ANSWERS: Finish grading
Who has the authority to change or adjust the shoring method of
an excavation?
ANSWERS: Engineer
,An instrument used to measure horizontal changes and elevations
is a
________?
ANSWERS: Dumpy level or builders level
Subsoil drains should be surrounded with:
ANSWERS: Coarse gravel
Unsuitable soil can be recognized by a rolling movement of the
ground as equipment runs over it. What is this commonly
called?
ANSWERS: Pumping
The sides of a 6 foot deep trench in type B soil which is
sloped to prevent cave-ins should have a maximum
slope angle of ________________________________________ ?
ANSWERS: 45 degrees from vertical
, Before each shift safety regulations require that you must
check equipment for all the following except:
- fuel and oil levels
- horn
- operational controls
- emergency brake
ANSWERS: Fuel and oil levels
A wellpoint dewatering system is most efficient in what type of
soil?
ANSWERS: Sand
"Weep Holes" may be utilized in which of the following
methods of change in site grading?
ANSWERS: Retaining walls
COMPREHENSIVE TEST BANK FINAL EXAM 2026-
2027/COMPLETE ACTUAL EXAM QUESTIONS AND
CORRECT ANSWERS (VERIFIED ANSWERS) ALREADY
GRADED A+ PASS GUARANTEED \Civil Engineering
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
ANSWERS: At least 9% of soil particles are less than 5 micrometers
in size
What is the correct nozzle angle on a spray bar?
ANSWERS: 15-30 degrees
What is added to hot mixed asphalt to make it more fluid?
ANSWERS: Asphalt cement or moisture
,What is indicated by "J" on the illustration?
ANSWERS: undercut (over beak)
Refer to the illustration. What is the finished elevation of lot no.
409?
ANSWERS: 152 feet 4 inches
What grading operation requires the most operator skill?
ANSWERS: Finish grading
Who has the authority to change or adjust the shoring method of
an excavation?
ANSWERS: Engineer
,An instrument used to measure horizontal changes and elevations
is a
________?
ANSWERS: Dumpy level or builders level
Subsoil drains should be surrounded with:
ANSWERS: Coarse gravel
Unsuitable soil can be recognized by a rolling movement of the
ground as equipment runs over it. What is this commonly
called?
ANSWERS: Pumping
The sides of a 6 foot deep trench in type B soil which is
sloped to prevent cave-ins should have a maximum
slope angle of ________________________________________ ?
ANSWERS: 45 degrees from vertical
, Before each shift safety regulations require that you must
check equipment for all the following except:
- fuel and oil levels
- horn
- operational controls
- emergency brake
ANSWERS: Fuel and oil levels
A wellpoint dewatering system is most efficient in what type of
soil?
ANSWERS: Sand
"Weep Holes" may be utilized in which of the following
methods of change in site grading?
ANSWERS: Retaining walls
