Site Work

Question 1

Which of the below rocks would be the easiest to rip

Answer 1

3 – Sedimentary

Question 2

type of dozer blade should be used when pushing soil longer distances?

Answer 2

“U” shaped blade

Question 3

When dozing over a long distance, which of the below could be used to keep the dozer from losing its load?

Answer 3

Use the slot dozing method

Question 4

A 45 degree slope would be which of the below?

Answer 4

100 % slope

Question 5

When doing dozer work, which of the below would be the advantage of an angled blade over a straight blade?

Answer 5

Side cast material

Question 6

Which of the below would increase the dozer’s blade capacity when moving materials?

Answer 6

Negative grading

Question 7

You are excavating an area 245 feet by 350 feet; the equipment can remove 100 cubic yards per hour. If you need 6 inches of grade cut off the whole area, how many hours would it take?

Answer 7

15.88 hours

Question 8

What type of foundation should be used for deep unstable soils?

Answer 8

Mat

Question 9

The amount of water in a given soil that will produce the maximum density with a given compaction is which of the below?

Answer 9

Saturated

Question 10

A soil compaction test where no drilling required would be which of these?

Answer 10

Nuclear test

Question 11

What type of equipment should be used to dig a trench in soft soil?

Answer 11

Tracked excavator

Question 12

Parking lot is 140 feet wide and slopes 1/8th inch per foot. The highest elevation is 80 feet. What is lowest elevation?

Answer 12

– 78.54 feet

Question 13

The starting point is shown as Sta 0 + 00 and next station is shown as Sta 2 + 50, what is the distance between the two points?

Answer 13

250 feet

Question 14

Reference stake reads Sta 2 + 50, El 2500.47, and C 9.63. What would be the elevation below the reference hub?

Answer 14

2490.84 feet

Question 15

What is the purpose of a trench box?

Answer 15

– To support a wall of soil

Question 16

What is the effect of loading uphill when a scraper blade is being used?

Answer 16

It increases load cycle time

Question 17

The right amount of moisture for compaction is called:

Answer 17

The optimum moisture content

Question 18

What determines how much moisture that air can hold?

Answer 18

Temperature

Question 19

If you have a rise of 88 feet in one mile, what would the rise be?

Answer 19

1.66 percent

Question 20

Which of the below would be the least desirable soil for a foundation?

Answer 20

– Clay

Question 21

What is the definition of a benchmark?

Answer 21

A fixed reference point of laying out a building

Question 22

– How many feet are there between surveying stations that read 1 + 00?

Answer 22

100 feet

Question 23

– What are a shear vane and a pocket penetrometer used for?

Answer 23

Strength tests

Question 24

What is the best method for lowering the water table on a level lot?

Answer 24

Install a well point system

Question 25

What is the advantage of using an Angle Blade to start excavation and an S-Blade to complete final grading?

Answer 25

Very effective for side cast backfill material

Question 26

– What is the normal dozer speed?

Answer 26

1.5 to 4 mph

Question 27

Which of the below are not used for manually testing soil types?

Answer 27

Sand cone test

Question 28

When dozing, what method is used to move soil over long distances?

Answer 28

Two dozers in tandem

Question 29

How can you protect excavator from hazards associated with water accumulation in excavation?

Answer 29

Monitor the use of water removal equipment

Question 30

– Slopes for permanent fill shall be not less than:

Answer 30

1:2

Question 31

Which of the below tests can be performed on site without removing the samples?

Answer 31

The nuclear density

Question 32

What is the most difficult (harder) part of a road graders work?

Answer 32

Finish blading

Question 33

How are "stations" (referenced stake and cut stakes) measured?

Answer 33

Measured horizontally

Question 34

A reference stake is 18’8” from the hub. A fill has to be started at a distance of 8’4” from the hub. How are these distances measured?

Answer 34

Horizontally

Question 35

is the load factor calculated with bank volume and swell factor?

Answer 35

Bank volume divided by bank volume + swell factor

Question 36

A grade stake on an excavated area is marked 2’8” with the letter C above it and above that a solid line drawn horizontal on the stake. What does this mean?

Answer 36

The dirt is cut below 2’8” from the elevation of the solid line

Question 37

You are checking elevations in an excavated area. There are 3 stakes set called A, B and C. The A stake is labeled 3’4”, the B stake is labeled 4’10” and the C stake is labeled 7’2”. What is the difference between stake A and C?

Answer 37

3’10”

Question 38

A reference stake has 13’8” and F 8’3” written on it, what does the 13’8” mean?

Answer 38

13’8” from the edge of the fill area

Question 39

What is the maximum allowable tolerance in finishing of subgrade from the established grade from one station to the next?

Answer 39

1 inch

Question 40

Which equipment would be best suited for fine grading and landscaping work?

Answer 40

Light utility

Question 41

What type of blade would be best suited for self-loading hauler equipment to move soil over a longer distance?

Answer 41

Scraper blade

Question 42

An effective way of moving materials a short distance downhill is:

Answer 42

Tracked loader

Question 43

What is the easiest and cheapest compaction method?

Answer 43

Puddling

Question 44

How can you increase dozer blade capacity?

Answer 44

Downgrade dozing

Question 45

What is the calculation for production trenching / moving dirt in a backhoe set?

Answer 45

Divide volume of dirt by dirt moved in cycle

Question 46

– What is the best method to estimate earth work on irregular ground?

Answer 46

Divide the plan into grids or sections

Question 47

What is the best method for hauling dirt over a long distance?

Answer 47

Self loading scraper or loader and truck

Question 48

What is the best method for compacting sand and gravel?

Answer 48

Puddling and vibration

Question 49

If the operator fails to lift, tilt and angle the blade when dozing, what will occur?

Answer 49

– Looses load

Question 50

A reference stake has 18’8” to centerline and 8’8” cut to the top of fill. How are these dimensions measured?

Answer 50

Horizontally and vertical

Question 51

Which of the below equipment would be used for excavating shallow trenches with cross lines?

Answer 51

Wheeled / Rubber tire backhoe