Term
When properly equipped, a front-end loader can perform tasks associated with each of the
following operations except |
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Definition
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Term
| What must you do before performing any maintenance action on a front-end loader? |
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Definition
| Turn the loader off and set the parking brake |
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Term
| What bucket control is used to raise and lower the bucket on a front-end loader? |
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Definition
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Term
| To pick up materials from a stockpile with a front-end loader, which method do you use? |
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Definition
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Term
When loading a dump truck with a front-end loader, how can you prevent damaging the dump body of the truck |
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Definition
Dump the first load a little at a time.
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Term
What type of front-end loader bucket should you use to handle sticky material that has a tendency to cling to the bucket? |
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Definition
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Term
When equipped with a multipurpose bucket, what function can the front-end loader not perform?
|
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Definition
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Term
| How should a dump truck be positioned near the stockpile? |
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Definition
| At a right angle to the stockpile. |
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Term
How should you backfill a trench when you are using a front-end loader with a narrow bucket |
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Definition
| Backfill the area from an angle. |
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Term
On a front-end loader, in what position would you place the lift-control lever in order to back drag the area? |
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Definition
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Term
| When stockpiling with a front-end loader, what happens if material is worked too much? |
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Definition
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Term
| Unlike a regular front-end loader, what is the advantage of a skid steer front-end loader? |
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Definition
| Can operate in a smaller area. |
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Term
Where should you look to determine the type of fluid (engine oil, fuel, etc.) required on a front-end loader? |
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Definition
| Technical order (TO) or owner manual. |
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Term
On the skid-steer front-end loader, what will happen if you remove your hands or feet from the travel controls? |
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Definition
| The equipment will stop moving. |
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Term
To ensure good sweeping action and avoid damage to equipment or bystanders, you should have a broom pattern that is only |
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Definition
two to three inches wide.
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Term
When moving pallets with a forklift, why should you make sure the forks are spaced far
enough apart? |
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Definition
| To ensure load stability. |
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Term
| When operating a forklift, what do you do after you have the forks under the pallet? |
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Definition
| Accelerate slightly and pull back on the lift-control lever. |
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Term
| When operating a front-end loader with a forklift attachment, what control is used to adjust the forks forward? |
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Definition
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Term
| What is the efficient operating range of a scraper? |
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Definition
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Term
| What are the four basic cycles in any scraper operation? |
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Definition
| Loading, hauling, spreading, and returning. |
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Term
| What is the best reason to perform a downhill pull with a scraper? |
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Definition
| To add more material per load. |
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Term
| What is the best reason to perform a downhill pull with a scraper? |
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Definition
| To add more material per load. |
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Term
| Which of these loading methods generally achieves maximum productivity? |
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Definition
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Term
Generally, push-loaded scrapers should be loaded within a maximum stance of how many
feet? |
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Definition
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Term
| When operating a scraper, at what speed should you enter the loading area? |
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Definition
| Controlled high-return speed. |
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Term
When the scraper leaves a cut, why should you allow the scraper to travel a few feet before
lifting the bowl to the carrying position? |
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Definition
| To spread loose material piles in front of the bowl. |
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Term
| Which statement describes the proper procedure to begin loading sand with a scraper? |
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Definition
| Use the forward momentum of the scraper |
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Term
When picking up loose shale with a scraper on level grade, the blade should be positioned
to follow |
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Definition
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Term
When spreading material with scrapers, why should you route the scrapers so their tracks
overlap |
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Definition
|
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Term
when spreading materials with a scraper, why should you make the fill high on the outside
edges? |
|
Definition
| To prevent the scraper from sliding over the edge |
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Term
For best results when loading wet or sticky material, how far should you bring the scraper
tailgate forward each time? |
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Definition
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Term
| When using a scraper, what can you do to save valuable time on short-radius turns? |
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Definition
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Term
If the haul road on which you are operating a scraper is rough and no grader is available,
you should |
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Definition
| lower the scraper bowl on the return trip to level the road. |
|
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Term
| What can you do to eliminate bouncing when traveling with a scraper unit? |
|
Definition
| Carry the scraper bowl low to the ground. |
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Term
| When towing a sheepsfoot roller on a road, you should work the roller in what direction? |
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Definition
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Term
| What happens to the one to two inches of loose material left by a sheepsfoot roller? |
|
Definition
| It assists in bonding successive layers. |
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Term
| What is the purpose of equipping steel-wheel rollers with scraper blades? |
|
Definition
| Keep the drum rolls clean and free of debris. |
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Term
| How can you prevent asphalt from sticking to the drum rolls of a steel-wheel roller? |
|
Definition
| By using water from spray bars. |
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Term
When using a steel-wheel roller to roll asphalt, how can you prevent the drive roll from
pushing the asphalt up in front of the drum? |
|
Definition
| Drive the roller forward. |
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Term
| What can happen if you leave the steel-wheel roller standing on a new road surface? |
|
Definition
| Depressions will be left in the pavement. |
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Term
| Pneumatic-tired rollers are used when the soil to be compacted requires |
|
Definition
|
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Term
One difference between the self-propelled pneumatic roller and the 13-wheel towed roller is
that the self-propelled roller |
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Definition
|
|
Term
| How can you ensure uniform compaction with the pneumatic-tired roller? |
|
Definition
| Maintain even tire pressure. |
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Term
What precaution must you take when using articulated steering on a grader with the blade
positioned at an acute angle? |
|
Definition
| Running the blade into the rear tire on turns. |
|
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Term
| What terms do we use to designate a grader’s moldboard ends? |
|
Definition
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|
Term
| You regulate the depth of your cut with a grader by |
|
Definition
| raising or lowering the toe of the moldboard. |
|
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Term
| To have the material cut by a grader form a windrow, you must |
|
Definition
| lower the heel of the moldboard. |
|
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Term
| By adjusting the pitch of a grader moldboard, you change the |
|
Definition
| cutting or dragging action of the cutting edge. |
|
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Term
| What type of action occurs when you pitch a grader scarifier to the rear? |
|
Definition
|
|
Term
| When removing teeth from a grader scarifier, which tooth do you take out first? |
|
Definition
|
|
Term
| What happens if you lower the ripper teeth on a grader too much? |
|
Definition
| It raises the grader’s rear end. |
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Term
After using a scarifier and ripper, what is the next step you perform with a grader on a road
project? |
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Definition
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Term
The grading operation that spreads material away from the ditching operation and toward
the middle of the road we call |
|
Definition
|
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Term
When cutting the back slope of a ditch with a grader, position the circle and blade to ensure
the material flows |
|
Definition
| inside the right rear tandem tire. |
|
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Term
| How can you avoid leaving an edge when making the final leveling pass with a grader? |
|
Definition
| Lift the trailing edge of the blade |
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Term
| Windrows piled in front of the rear grader tires when leveling affect |
|
Definition
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Term
| Besides adding to the appearance of a job, what is the benefit of sloping the bank of a ditch? |
|
Definition
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Term
| Preparing the downward slope from the centerline to the shoulder of a road is |
|
Definition
| the final step in road grading. |
|
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Term
| Before making any grading cuts on a project, what do you examine? |
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Definition
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|
Term
Ideally, we construct road mix pavements during dry weather when the temperature is at
least |
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Definition
|
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Term
| When mixing bitumen with a grader, turn the material from one side of the road to the other |
|
Definition
|
|
Term
Other than on the equipment itself, where can you find lube charts that pertain to a
particular piece of equipment? |
|
Definition
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|
Term
| Why should the point of the V tread on the grader front tires meet the ground last? |
|
Definition
| To make the front tires wear longer. |
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Term
On the crawler type dozer, why do you allow the engine to idle three to five minutes before
shut down? |
|
Definition
| Prevent damage to the turbo charger. |
|
|
Term
| The attachment of a rear-mounted ripper to a dozer does not seriously affect the |
|
Definition
| maneuverability of the dozer. |
|
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Term
| What do you do if you are ripping material and your dozer continually lags or stalls? |
|
Definition
|
|
Term
When pushing material with a dozer, what decreases the response time when using the
blade-lift control? |
|
Definition
| Added weight of material on the dozer blade. |
|
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Term
| What can cause a bulldozer to nose up and down, creating an uneven work surface? |
|
Definition
| Raising and lowering the blade too much. |
|
|
Term
| Use side-by-side dozing only for hauls of at least |
|
Definition
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|
Term
When you use the spillage from the first few passes of a dozer to build windrows that hold
the earth in front of the blade, what method of dozing are you performing? |
|
Definition
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|
Term
You are about to remove a medium-sized tree. For your initial contact with the tree, in what
position do you place your dozer blade |
|
Definition
| Lowered into the ground as far as it takes to cut the roots. |
|
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Term
| If your dozer can not initially push over a large tree, what do you do? |
|
Definition
| Cut the roots with the blade and push the tree over. |
|
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Term
| How do you remove stumps with a dozer? |
|
Definition
| Cut the roots of the stump and push it out |
|
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Term
When removing rock with a dozer, if you repeatedly let the corner of the blade dig, what
can happen? |
|
Definition
|
|
Term
| To make a side-hill cut with a dozer, how do you start the cut? |
|
Definition
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|
Term
How far from the construction stakes do you line up your dozer when building a V-shaped
ditch? |
|
Definition
|
|
Term
At least how many inches of solid material must be over a culvert before you can cross it
safely with a dozer? |
|
Definition
|
|
Term
| Finishing with a dozer is best done at what speed and capacity? |
|
Definition
| Highest speed possible with the blade at least half full of material. |
|
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Term
When constructing a stockpile with a bulldozer, why should you gradually raise the blade at
the end of the cut? |
|
Definition
| to avoid creating an abrupt ridge |
|
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Term
What happens if you stockpile aggregate blends of material (course and fine particles) in a
cone-shaped mound (sloping sides)? |
|
Definition
| Particle segregation can occur. |
|
|
Term
| What is the minimum slide slope ratio for berms? |
|
Definition
|
|
Term
| What are the two main elements that cause erosion on a berm? |
|
Definition
|
|
Term
| When using your dozer as a pusher to load a scraper, what happens if you push too hard? |
|
Definition
| The scraper can jackknife and cause damage or injury. |
|
|
Term
| On a dozer, what type of connection do we use to tow equipment? |
|
Definition
|
|
Term
| How do you usually rate the power of a winch on a dozer? |
|
Definition
| Maximum pull exerted on its line. |
|
|
Term
| Before using a winch on a dozer that is in a stationary position, you must |
|
Definition
| line up the dozer with the pull. |
|
|
Term
| Why do you clean the mud out of the tracks of your dozer? |
|
Definition
|
|
Term
| Fuel your dozer at the end of the workday in order to |
|
Definition
| prevent condensation in the fuel tank. |
|
|
Term
| What happens if you operate your dozer with the tracks too tight? |
|
Definition
| Engine horsepower is reduced. |
|
|
Term
What is the correct adjustment (distance) between the bottom of the straightedge to the top
of the plate on a dozer track when checking tension |
|
Definition
| One to one and one-half inches. |
|
|
Term
How often do you change the secondary (inner) element of the air intake breathers on a
dozer? |
|
Definition
|
|
Term
| What is the most important part of changing the cutting edges on a bulldozer? |
|
Definition
| Making sure the cutting edges are blocked. |
|
|
Term
| What color do we use to make change to an as-built drawing? |
|
Definition
|
|
Term
Which of these jobs would require a thorough inspection, but would not require an AF
Form 103, Base Civil Engineer Work Clearance Request? |
|
Definition
| Plowing or tilling the soil. |
|
|
Term
| What is the purpose of obtaining an AF Form 103 before excavating? |
|
Definition
|
|
Term
| When using a trencher, the cuttings can be pulled back away from the ditch by using a |
|
Definition
|
|
Term
| When excavating a ditch, what happens if you move your trencher forward too fast? |
|
Definition
|
|
Term
| If you know the location of an obstacle where you are trenching, you must |
|
Definition
| stay at least a foot away from it. |
|
|
Term
| What limits the digging depth of a backhoe? |
|
Definition
| Length of the boom and dipper stick. |
|
|
Term
On a normal backhoe, where do the five cylinders that control the operation of the swing,
boom, dipper stick, and bucket receive hydraulic pressure? |
|
Definition
| Tractor’s hydraulic system |
|
|
Term
If you leave the rear tires on the ground when operating a backhoe, what effect can this
have? |
|
Definition
| Reduces machine stability. |
|
|
Term
| If the bucket stalls while you are excavating with a backhoe, |
|
Definition
|
|
Term
| If you are operating a backhoe and someone steps in the swing radius of the bucket, |
|
Definition
| ground the bucket until the person moves out of the area. |
|
|
Term
| Which is not a safety factor you must consider when loading materials with a backhoe? |
|
Definition
| Ensure the hooks are properly placed. |
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