Residential Contractor Tennessee
exam with verified answers
The bucket's maximum capacity when the material is
heaped above the edges of the bucket is - CORRECT
ANSWERS ✔✔heaped
The contents of the bucket when it is filled to the level of
the rim. No material is heaped over the rims, is -
CORRECT ANSWERS ✔✔struck
Struck capacity is - CORRECT ANSWERS ✔✔level
Heaped capacity is - CORRECT ANSWERS ✔✔above the
rim
How is a load factor calculated - CORRECT ANSWERS
✔✔bank volume / bank volume + swell percentage
Co. vol. = - CORRECT ANSWERS ✔✔L x W x D / 27
What is the advantage of a U-blade versus a Semi-U
blade? - CORRECT ANSWERS ✔✔holds more material
(40%)
,What piece of equipment is a good choice if you have a
wide trench with no crosslines? - CORRECT ANSWERS
✔✔Sheeps foot roller
The later the pipe diameter, the smaller the fall
requirement is needed to maintain a water velocity great
enough to prevent - CORRECT ANSWERS ✔✔solids from
settling out
A ____________ stake is a small stake driven into the
ground to identify a particular reference point. - CORRECT
ANSWERS ✔✔hubs
If a reference stake is 20.2' from the Hub and fill is to be
started at a distance of 12.4' from the Hub, how are these
distances measured? - CORRECT ANSWERS ✔✔both
horizontal
What percent slope rises at a 45 degree angle? -
CORRECT ANSWERS ✔✔100%
Excavate _______ trenches around a tree deep enough to
cut through the root system of the tree. - CORRECT
ANSWERS ✔✔4
,________ is the easiest type of rock to rip. - CORRECT
ANSWERS ✔✔rippable sedimentary
The level of the groundwater is known as the ________. -
CORRECT ANSWERS ✔✔water table
Well points work well in ________ soils. - CORRECT
ANSWERS ✔✔course grain or sandy
How do you calculate time to excavate a set? - CORRECT
ANSWERS ✔✔Divide the volume of dirt in the set by the
dirt moved per cycle; multiply the number of digging
cycles by the average cycle time
When dirt is moved form its natural state, this is called
________ or loose condition. - CORRECT ANSWERS ✔✔swell
or spoils or loose volume
What is the purpose of a tench box? - CORRECT ANSWERS
✔✔to support a wall of soil
The trench box must be centered over the pipe. To
maintain safety, the maximum height above the pipe to
, install the trench box is ________. - CORRECT ANSWERS
✔✔5' above pipe
________ is the best piece of equipment for working in
mud or soft ground. - CORRECT ANSWERS ✔✔tract
backhoe
________ is the method for testing soil density and does
not require drilling. - CORRECT ANSWERS ✔✔nuclear
density test
________ is the easiest compaction method. - CORRECT
ANSWERS ✔✔puddling or wetting the soil
Limited working room in excavations means ________. -
CORRECT ANSWERS ✔✔you can't easily use the water
necessary for wetting
To estimate earthwork, you need to ________. - CORRECT
ANSWERS ✔✔divide the area in sections
The term subgrade identifies ________. - CORRECT
ANSWERS ✔✔the surface elevation prior to placing any
surface material
exam with verified answers
The bucket's maximum capacity when the material is
heaped above the edges of the bucket is - CORRECT
ANSWERS ✔✔heaped
The contents of the bucket when it is filled to the level of
the rim. No material is heaped over the rims, is -
CORRECT ANSWERS ✔✔struck
Struck capacity is - CORRECT ANSWERS ✔✔level
Heaped capacity is - CORRECT ANSWERS ✔✔above the
rim
How is a load factor calculated - CORRECT ANSWERS
✔✔bank volume / bank volume + swell percentage
Co. vol. = - CORRECT ANSWERS ✔✔L x W x D / 27
What is the advantage of a U-blade versus a Semi-U
blade? - CORRECT ANSWERS ✔✔holds more material
(40%)
,What piece of equipment is a good choice if you have a
wide trench with no crosslines? - CORRECT ANSWERS
✔✔Sheeps foot roller
The later the pipe diameter, the smaller the fall
requirement is needed to maintain a water velocity great
enough to prevent - CORRECT ANSWERS ✔✔solids from
settling out
A ____________ stake is a small stake driven into the
ground to identify a particular reference point. - CORRECT
ANSWERS ✔✔hubs
If a reference stake is 20.2' from the Hub and fill is to be
started at a distance of 12.4' from the Hub, how are these
distances measured? - CORRECT ANSWERS ✔✔both
horizontal
What percent slope rises at a 45 degree angle? -
CORRECT ANSWERS ✔✔100%
Excavate _______ trenches around a tree deep enough to
cut through the root system of the tree. - CORRECT
ANSWERS ✔✔4
,________ is the easiest type of rock to rip. - CORRECT
ANSWERS ✔✔rippable sedimentary
The level of the groundwater is known as the ________. -
CORRECT ANSWERS ✔✔water table
Well points work well in ________ soils. - CORRECT
ANSWERS ✔✔course grain or sandy
How do you calculate time to excavate a set? - CORRECT
ANSWERS ✔✔Divide the volume of dirt in the set by the
dirt moved per cycle; multiply the number of digging
cycles by the average cycle time
When dirt is moved form its natural state, this is called
________ or loose condition. - CORRECT ANSWERS ✔✔swell
or spoils or loose volume
What is the purpose of a tench box? - CORRECT ANSWERS
✔✔to support a wall of soil
The trench box must be centered over the pipe. To
maintain safety, the maximum height above the pipe to
, install the trench box is ________. - CORRECT ANSWERS
✔✔5' above pipe
________ is the best piece of equipment for working in
mud or soft ground. - CORRECT ANSWERS ✔✔tract
backhoe
________ is the method for testing soil density and does
not require drilling. - CORRECT ANSWERS ✔✔nuclear
density test
________ is the easiest compaction method. - CORRECT
ANSWERS ✔✔puddling or wetting the soil
Limited working room in excavations means ________. -
CORRECT ANSWERS ✔✔you can't easily use the water
necessary for wetting
To estimate earthwork, you need to ________. - CORRECT
ANSWERS ✔✔divide the area in sections
The term subgrade identifies ________. - CORRECT
ANSWERS ✔✔the surface elevation prior to placing any
surface material
