Term
| Which of these defects in security fencing require maintenance |
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Definition
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Term
| When must maintenance be done on security fencing? |
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Definition
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Term
| Extension arms should be able to handle three strands of barbed wire spaced |
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Definition
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Term
| When you are building fences, where should you use tension wire? |
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Definition
| With fences without top rail. |
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Term
| Fence’s fabric should be 6- or 9-gauge fabric with |
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Definition
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Term
| What should be the diameter of postholes for posts required to be set in concrete? |
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Definition
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Term
| Footings for fence posts should be determined by |
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Definition
| what the post is used for. |
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Term
| What type of tie wire should you use to secure the fence fabric to the line posts |
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Definition
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Term
| How far into the ground should line posts be placed |
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Definition
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Term
When you are installing a security fence, at what maximum distance apart should you place
line posts? |
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Definition
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Term
| What item is used to extend the height of security fence |
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Definition
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Term
| What item is used to secure the draw bars to the end or terminal post? |
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Definition
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Term
| Which type of fence is made of concertina or razor wire? |
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Definition
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Term
| Which type of fence is made of barbed wire, 3-strand, 4 feet high |
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Definition
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Term
What type of road shoulder exists along narrow pavements, inside curves, and at
intersections? |
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Definition
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Term
Immediately before you apply a slurry, the pavement surface should be thoroughly cleaned,
broomed, and |
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Definition
| moistened with a light application of water. |
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Term
| A slurry seal is normally applied |
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Definition
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Term
| One purpose of an emulsion slurry seal is to |
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Definition
| prevent moisture intrusion into the pavement. |
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Term
| Each additional layer of aggregate for a multiple surface treatment should be about |
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Definition
| half the size of the previous layer. |
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Term
| The asphalt for a single surface treatment should be covered with aggregate within |
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Definition
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Term
| Which of the following materials can be used as a binder for a single surface treatment? |
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Definition
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Term
About how much of the individual aggregate stones in a single surface treatment should be
exposed to traffic? |
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Definition
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Term
As soon as the aggregate is spread for a single surface treatment, it is pushed into the soft
asphalt by rolling it with a |
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Definition
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Term
| What type of surface treatment is used to seal surface voids in new asphalt plant mixes? |
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Definition
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Term
| What should be used to seal hairline cracks in flexible pavements |
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Definition
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Term
| Which of the following is not a purpose of a bituminous surface treatment? |
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Definition
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Term
| Surface treatments produce a pavement with a thickness of |
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Definition
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Term
| A completed flexible pavement patch should be level with the surrounding area or |
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Definition
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Term
| When should the rolling operation for pavement repair using hot-mix begin? |
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Definition
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Term
| When should the rolling operation for pavement repair using hot-mix begin? |
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Definition
| Immediately after the material is placed |
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Term
| What is the final step in the preparation of a hole for flexible pavement repair |
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Definition
| Apply a tack coat to the vertical faces. |
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Term
When repairing defective flexible pavement, you should place and compact the base course
materials in |
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Definition
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Term
When removing defective flexible pavement, you should remove base course materials until
a. all the base is removed. |
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Definition
| you reach firm, dry material. |
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Term
As you mark an area for removal of defective flexible pavement, how far into the good
pavement should you make your marks? |
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Definition
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Term
| Which item should you use to mark defective flexible pavement? |
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Definition
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Term
| What item is used to force sealing material into the cracks in flexible pavements |
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Definition
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Term
| Large cracks in pavement is repaired the same way as |
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Definition
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Term
| Small and medium cracks in flexible pavement can be sealed individually with a |
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Definition
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Term
Which of the following types of sealer can be used satisfactorily with most types of asphalt
pavements? |
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Definition
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Term
| During an inspection of flexible pavements, you should try to determine |
|
Definition
| the cause of the failure. |
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Term
| When should flexible pavements be inspected? |
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Definition
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Term
| Bleeding in flexible pavement normally occurs in |
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Definition
|
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Term
| What is the most common cause of a slippery flexible pavement? |
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Definition
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Term
| The progressive loss of surface material from flexible pavement by traffic abrasion is called |
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Definition
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Term
| Which of the following is a cause of depressions in flexible pavement? |
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Definition
| Poor construction methods. |
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Term
| Where do corrugations in flexible pavement normally occur? |
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Definition
| At points where traffic brakes and accelerates. |
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Term
What type of crack in flexible pavement is caused by a lack of bond between the surface
layer and the course beneath? |
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Definition
|
|
Term
| Normally, edge cracks are aggravated by |
|
Definition
| lack of side or shoulder support. |
|
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Term
What types of cracks are interconnected and form a series of small blocks resembling
chicken wire? |
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Definition
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Term
| Finish rolling is done solely to |
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Definition
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Term
How many coverages should be made with the pneumatic-tired roller during the
intermediate rolling? |
|
Definition
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|
Term
Under which of the following conditions would you operate the steel-wheeled roller with
the tiller wheel forward? |
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Definition
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Term
How far from the lower unsupported edge should the rolling process start for thick lift
construction? |
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Definition
|
|
Term
| Where should the breakdown rolling operation start? |
|
Definition
|
|
Term
| Breakdown rolling is best done with |
|
Definition
|
|
Term
| The maximum speed of steel-wheeled rollers should not exceed |
|
Definition
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|
Term
| One advantage of a bituminous paver over a motor grader is that the bituminous paver |
|
Definition
| uses less spreading time. |
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|
Term
| Blade-spreading operations to place bituminous materials usually result in |
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Definition
|
|
Term
| When spreading bituminous materials by hand, you should be extremely careful to prevent |
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Definition
|
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Term
| What shape should a load of hot mix asphalt have in the bed of a dump truck? |
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Definition
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|
Term
| What shape should a load of hot mix asphalt have in the bed of a dump truck? |
|
Definition
|
|
Term
| What shape should a load of hot mix asphalt have in the bed of a dump truck? |
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Definition
|
|
Term
| What is the most accurate way of mixing a road mix? |
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Definition
|
|
Term
| What is the most widely used type of flexible pavement construction? |
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Definition
|
|
Term
| Which of these materials is recommended for tack coats? |
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Definition
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Term
| At what approximate rate should primers be applied with an asphalt distributor |
|
Definition
| 0.10 to 0.25 gallon per square yard. |
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Term
| What types of emulsions are used on the more granular or open-type bases? |
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Definition
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|
Term
| Because of environmental concerns, the best materials to be used as prime coats are |
|
Definition
|
|
Term
| Which of the following is not a purpose of a prime coat? |
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Definition
| Adheres an underlying pavement surface to a new surface. |
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Term
| Bituminous construction normally should be suspended when the temperature goes below |
|
Definition
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|
Term
| Bituminous surfaces must be constructed on bases that are reasonably dry and free from |
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Definition
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|
Term
What is the correct answer when you convert 120.25 tons of hot mix asphalt to metric tons
(mt)? |
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Definition
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|
Term
How many tons of hot-mix asphalt will be required to construct an area that measures 20
feet long by 35 feet wide by 6 inches deep, including 5 percent extra for low spots? |
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Definition
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|
Term
| What is the area of a circle that has a diameter of 16 feet? |
|
Definition
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|
Term
| What is the area of a square that measures 22 feet long by 22 feet wide? |
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Definition
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Term
| Which of these materials can be used with damp aggregate? |
|
Definition
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|
Term
| Which of the following types of asphalt emulsions have been developed for slurry seals? |
|
Definition
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Term
| What type of asphalt emulsion has little or no ability to mix with an aggregate? |
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Definition
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|
Term
| What is the only asphalt material produced in the viscosity grade of 30? |
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Definition
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|
Term
| Mixing asphalt cement with what material produces medium-curing cutbacks |
|
Definition
|
|
Term
| Today’s asphalt cements are graded according to |
|
Definition
|
|
Term
| Which of the following equipment is used to measure binder properties at low temperatures |
|
Definition
|
|
Term
| How many ways are used to grade asphalt cement |
|
Definition
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