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,What piece of equipment is a good choice if you have a Sheeps foot roller
wide trench with no crosslines?
The later the pipe diameter, the smaller the fall solids from settling out
requirement is needed to maintain a water velocity great
enough to prevent
A ____________ stake is a small stake driven into the ground to hubs
identify a particular reference point.
If a reference stake is 20.2' from the Hub and fill is to be both horizontal
started at a distance of 12.4' from the Hub, how are these
distances measured?
What percent slope rises at a 45 degree angle? 100%
Excavate _______ trenches around a tree deep enough to 4
cut through the root system of the tree.
________ is the easiest type of rock to rip. rippable sedimentary
The level of the groundwater is known as the ________. water table
Well points work well in ________ soils. course grain or sandy
How do you calculate time to excavate a set? 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 swell or spoils or loose volume
________ or loose condition.
What is the purpose of a tench box? to support a wall of soil
The trench box must be centered over the pipe. To 5' above pipe
maintain safety, the maximum height above the pipe to
install the trench box is ________.
________ is the best piece of equipment for working in mud tract backhoe
or soft ground.
, ________ is the method for testing soil density and does not nuclear density test
require drilling.
________ is the easiest compaction method. puddling or wetting the soil
Limited working room in excavations means ________. you can't easily use the water necessary for wetting
To estimate earthwork, you need to ________. divide the area in sections
The term subgrade identifies ________. the surface elevation prior to placing any surface material
The curving broken lines on a grading plan are ________ contour
lines.
Widely spaced differing contour lines indicate ________ on a flatter area
grading plan.
Any self-loading scraper will be more productive in dozer pushing on the push blocks at the rear of the bowl
muddy soil when assisted by a ________.
What is the hardest part of grader's work? finish blading
What type of dozer is used for fine grading, trench light utility dozer
backfilling, landscaping, light logging, and swamp
dozing?
If the operator fails to lift, tilt, and angle the blade just most of the load is lost
________.
Align the direction of dozer travel with the ________ blade dump area
whenever possible.
________ dozing increases the dozer blade capacity and downgrade
adds to the pushing force.