EARTHWORK EXAM 2 QUESTIONS AND
ANSWERS UPDATED (2024/2025)
(VERIFIED ANSWERS)
Payload (Struck and Heaped Volume) - ANS ✓Carrying capacity of equipment,
volumetric & gravimetric
Struck Vol - soil even w the top of bed or bucket
Heaped Vol - Soil Above the top of bed or bucket
The average cycle time table for hoes maybe used when all of the following
are true EXCEPT - ANS ✓Swing angle is 120 to 180 degrees
When operating a hoe, the worst fill factor is for which of the following
excavated material.? - ANS ✓Poorly blasted rock
A truck and trailer dumps its load by transferring the trailer to the dump
truck. - ANS ✓False
Utility Profile plans commonly use different horizontal and vertical scales. -
ANS ✓True
Which TWO of the following are considered gravity lines? - ANS ✓Sanitary
Sewer
Storm Drain
1
EARTHWORK EXAM
,EARTHWORK
When using trench boxes, the entire length of the excavation must be
protected. - ANS ✓False
Failure planes of soil banks vary depending on the type of soil - ANS ✓True
In Soil Nailing, the "nails" are grouted only at the anchor point, which is
beyond the failure plane. - ANS ✓False
Directional boring machines are commonly used for gravity sewer drain
lines. - ANS ✓False
On road trucks typically haul material based on a heaped volume. - ANS
✓False
The hauling capacity of a truck is most commonly limited by the highway
load limits. - ANS ✓True
When using a drag line it increases production to "cast" the bucket out
beyond the reach of the boom. - ANS ✓False
Solo is another common term for a 10 wheel dump truck. - ANS ✓True
When evaluating scraper haul time, it is not necessary to consider whether
a push tractor will be required for loading. - ANS ✓False
Capacity of a bucket is measured from its struck condition. - ANS ✓False
The trailer of a truck and transfer is not equipped with hydraulic rams for
dumping its load. - ANS ✓True
Gradalls are commonly track mounted. - ANS ✓False
2
EARTHWORK EXAM
, EARTHWORK
In Soil Nailing, the shotcrete must be applied in lifts starting at the top. -
ANS ✓True
When the soldier pile can be drilled and grouted in stable rock, a shorter
pile can be used. - ANS ✓True
Correctly order the sequence of scraper production cycle, starting with the
first step - ANS ✓Loading
Haul
Dumping
Spreading
Return
Positioning
Drag lines should not be used for excavation above the level of the machine.
- ANS ✓True
The size of off road trucks is limited mainly by their suitability to the task. -
ANS ✓True
Angle of swing and depth are used to calculate a correction factor when
computing the efficiency of which of the following. - ANS ✓Front Shovel
Clamshell Excavators are dependent on the force of the clamshell being
dropped to excavate the material - ANS ✓True
Under OSHA guidelines, which classification of soil allows the steepest cuts?
- ANS ✓Stable Rock
3
EARTHWORK EXAM
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller ExamitorMagnus. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.99. You're not tied to anything after your purchase.
