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CSLB Trade > Tools and Equipment > Flashcards

Tools and Equipment Flashcards

1
Q

For digging a long distance trench 2’ x 10’, the best equipment to use is a

A

Bucket line trencher

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2
Q

what should you do if a pneumatic plate tamer is necessary

A

you should have a second grading crew follow the tamper to make any fills needed for the final trim

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3
Q

open graded asphalt concrete should only be rolled with a steel-tired 2 axle tandem roller weighing not more than

A

10 tons

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4
Q

Left blank

A
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5
Q

the best type of roller for ____ is rubber tired

A

sandy soils

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6
Q

an economical and fast system of removing trees is to use a loader or bulldozer with a bucket or shovel raised to the maximum height, pushing it against the tree until it falls. you do not use this procedure when

A

the procedure could damage another tree not intended for removal

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7
Q

the best piece of equipment for ripping asphalt 4” or less in thickness is a

A

gradder with attached ripper

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8
Q

tracks sinking until a dozer gets stuck is called

A

high centered

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9
Q

what is recomended where mud is moved by scrapers

A

move slowly into the soft area with the scraper bowl down. when the wheel slips, stop this allows the scraper to be pushed by the dozer

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10
Q

the most efficient way to place base material is to have

A

a controlled dumping procedure

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11
Q

when working with rock, you should not move or blade it much because of

A

the separation

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12
Q

what is a guinea hopper used for

A

cleaning hubs off

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13
Q

on large jobs, it is best to use a ____ rather than a grader

A

self propelled spreader

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14
Q

you must make the first compaction pass with a

A

sheepsfoot or self propelled steel pad compactor

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15
Q

to mix lime, you would use a machine like a rototiller because

A

it is fast and chews up the soil while adding water and mixing the lime and soil

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16
Q

when compacting clay soil you should use a ____ roller

A

sheepsfoot or pad type

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17
Q

the best way to remove asphalt pavement is with a

A

front loader

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18
Q

if the aggregate is slightly loose, the rubber tire paver is good for paving on aggregate base (T/F)

A

False

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19
Q

the spill off from the ends of the dozer or grader blade which forms a ridge of loose material is called a

A

windrow

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20
Q

the type of equipment to use if the ground is unstable when trenching is a

A

backhoe
trencher
shoring

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21
Q

the roller operator, when rolling paving subgrade sould look for

A

soft spots

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22
Q

the machine to use when excavating a vertical slope is

A

a clamshell

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23
Q

you would use compactors to compact 7500 cu yds of fill of an area 800’ long and 200’ wide and an area 200’ long and 30’ wide with 2500 cu yds of fill (T/F)

A

False

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24
Q

if there are no hindrances long the line, which of the following types of trench excavating equipment would be best for depths of 6’ or less

A

a wheel trencher

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25
Q

you know that equipment is having difficulty when working in mud if it

A

has a lugging engine

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26
Q

the operator can snake the scraper out by swinging the nose back and forth, if the mud is too deep or can

A

set the bowl down lifting the wheels

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27
Q

a method of cleaning the drum as it rolls, when it is picking up aggregate is to

A

attach cyclone fencing over the top half of the drum

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28
Q

what is one of the hardest pieces of equipmetn to pull out of the mud

A

a track dozer

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29
Q

what is the best peice of equipment to use in mud

A

a track rig

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30
Q

the contractor is working on a narrow fill where one of the highway lanes can not be closed. the scrapers are spreading the soil as they are filled, then the dozer operator moves the dozer and sheepsfoot out to the end of the fill when he sees the dump trucks coming, waiting until they have completed the dumping and left. the water truck follows immediately. He has proceeded how

A

incorrectly, since the scrapers dont spread the soil until they have all loaded and then put together moved into the fill area

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31
Q

breakdown rolling should be accomplished with a roller weighing at least ____ tons

A

12

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32
Q

initial or breakdown compaction should be accomplished with a roller weighing not less than

A

12 tons

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33
Q

what do you use a grader for

A

-trimming rough subgrade
-trimming slopes
-cutting ditches

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34
Q

when digging a 4’x5’ sloped trench best equipment to use is a

A

backhoe

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35
Q

mud pumping is done when

A

-the subgrade has a large amount of fine partiles
-the subgrade has too much moisture

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36
Q

when dealing with short runs, ie sewer service, the best peice of equipment to use is a

A

backhoe

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37
Q

though wheel trenches have a higher production rate than other trenching equipment, thye also have one shortcoming which is that they are limited to what

A

a 6’ depth and 24” width

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38
Q

working speeds for modern pavers usually range from ____. These machines which are supported on crawler treads can place a layer of less than 1” to approximately 10” inc thickness over a width of 6’ to 32’

A

10’ to 70’ per min

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39
Q

a ____ should be used when material being excavated is so loose or soft that a hoe cannot find a firm footing close enough to the edge of the trench to reach the bottom

A

dragline

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40
Q

the backfill material is generally returned to the trench by a ____, when a trenching job is handled mechanically

A

bull dozer, or doxer blade of excavator on smaller jobs

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41
Q

the simplest type of tailgate spreader is the

A

vane spreader

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42
Q

the best way of obtaining, from a vehicle tank, a sample of asphalt is by using

A

a sampling valve in the truck tank

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43
Q

the biggest benefit a dragline has over a hoe is

A

its greater reach

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44
Q

finish rolling is done with

A

-pneumatic tired rollers
-steel tired static weight tandems

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45
Q

the purpose of finish rolling is to

A

improved the surface

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46
Q

when there are no obstacles along the lines, a ____ is usually used for depths 6’ or less

A

wheel trencher

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47
Q

when a trench is very wide or the walls have to be sloped, you would use a

A

backhoe

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48
Q

of the followingm which are the four basic types of trench excavating equpment

A

hoe, dragline, wheel trencher, bucker line trencher

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49
Q

which of the following shoul dbe done first using a sheepsfoot, grid mesh self propelled roller

A

the subgrade

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50
Q

tow types of straight edges are

A

-rolling straight edge
-wood or metal straightedge laid on pavement

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51
Q

you should not hand rake unless

A

unless necessary

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52
Q

oscillating push rollers are to

A

cener the load to the paver

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53
Q

in placing asphalt course mistures in deep lifts, rock spreaders have not been successful (T/F)

A

False

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54
Q

the wheels of a truck, dumping its load into the hopper, should ____ contact the truck rollers of the paver

A

firmly

55
Q

the roller should follow closely behind ____ when placnig a course of asphalt mix with a motor grader

A

each pass at least 15 minutes with a pneumatic tired roller

56
Q

on cohesive soils, one of the most effective rollers is the

A

sheepsfoot

57
Q

the main advantage, when spreading a course with a motor grader blade is

A

the longer wheel base prevents bumps, sags and irregularities

58
Q

both horizontal and vertical surfaces are generally cleaned with ____ when in contact with new asphalt mix

A

rotary brooms

59
Q

when the combination of ____ and ____ forces makes use of the correct frequency and amplitude, a vibratory roller is the msot effective

A

static
, dynamic

60
Q

because of ____ a pneumatic tired roller is effective at the wheel load

A

pressure contact

61
Q

space holder

A
62
Q

what is false about the cable operated dragline

A

a hydralically operated hoe fast a faster cycle time than the cable operated draglin, therfore a dragline is not as efficient as a hoe

63
Q

you would use a ____ to apply a prime or tack coat to the surface to be paved

A

tack wagon, or boot truck

64
Q

compaction can be obtained, if an area is inaccessible to rollers by using

A

-small vibratory plates
-hand tampers
-mechanical tampers

65
Q

the distributor spray bar’s nozzle angle is generally

A

15 to 30 degrees

66
Q

what is the most important piece of equipment on a surface treatment project

A

an asphalt distributor

67
Q

a machine equiped with a belt, or buckets on an endless chain, used for the purpose of carrying material from the excavation to another place is known as a

A

conveyer

68
Q

the most important adjustment to insure uniformity of the asphalt spread, in addition to nozzle angle is

A

the height of the spray above the pavement

69
Q

vibrating and steel wheeled rollers may be used for all three rolling phases. Which of the following is not usually used on their lifts

A

vibration

70
Q

what is the purpose of the screed as it is pulled inot the material deposited in front of it by the spreading screws

A

it seeks a level

71
Q

which of the following rollers should be used on all surface treatment jobs

A

pneumatic tired rollers

72
Q

A floating machine used for excavating material from the bottom of a body of water, raising it to the surface and then discharging it upon the bank through a pipe line, is known as a

A

dredger

73
Q

when constructing an arch, the scaffolding used is known as

A

formwork

74
Q

breakdown rolling should follow immediately after

A

the longitudinal joints and edges have been compacted

75
Q

a hot joint between two lanes placed at about the same time is known as ____ paving

A

echelon

76
Q

boards of proper thickness should be placed at the pavement edges. In order to prevent damage, if they are not used, transverse rolling must stop short of the edge by

A

6” to 8”

77
Q

when the transverse joint is made next to an adjoining lane, the first pass is made with a

A

steel tired roller

78
Q

the vibratory roller will run intermediate at

A

2-1/2 to 3 mph

79
Q

pneumatic-tired rollers will run at breakdown speeds of

A

3, the intermediate 3, and finish 5 mph

80
Q

a procedure that is used for all uniform compaction is to

A

first roll the transverse joints

81
Q

crows feet are ____ inches high with a line marked at the desired height of the rock grade

A

12 ro 24

82
Q

the majority of bottom dump trucks average ____ tons per load and can set the gate to spread the load ____ lineal feet

A

25-100

83
Q

____ can be used to add to the compaction of the fill

A

-water trucks
-scrapers
-anything running on the fill

84
Q

a load transmitted by wheels with centers included between two parallel transverse vertical planes 40” apart and extending the full width of the vehicle is called

A

an axel load

85
Q

rollers should roll with the drive wheel ____ in order to acheive maximum consolidation

A

toward the paver

86
Q

you should not generally use a ____ as the first roller on a large job

A

rubber tired roller

87
Q

the most important thing a foreman should provide his scraper operators with is

A

a smooth haul road

88
Q

which of the following would you use to spot the hole when working with girders

A

bull pin

89
Q

which of the following welds would you use for cast iron

A

copper/bronze

90
Q

bell joints are dug with a

A

shovel

91
Q

a device that picks up rock and tightens with lifting is a

A

vise

92
Q

its important to commence the rolling operation on the

A

lowside of the spread

93
Q

pneumatic tired rollers are used for second rolling because

A

-they imporve the seal near the surface
-they arrance the aggregate particles for greater stability
-they give a more uniform degree of compaction

94
Q

breakdown rolling should be done with the drivewhell

A

nearest the paver

95
Q

on breakdown rolling, you should use vibratory tandem rollers weighing from

A

6.5 tons to 15 tons

96
Q

usually, static weigth tandem rollers weigh ____

A

for breakdown rolling

97
Q

the edges of the pavement should be rolled ____ with the longitudinal joint, with the exception of echelon and depp lift paving

A

concurrently

98
Q

space holder

A
99
Q

space holder

A
100
Q

space holder

A
101
Q

space holder

A
102
Q

space holder

A
103
Q

space holder

A
104
Q

space holder

A
105
Q

The most essential piece of equipment for compaction is a

A

water truck

106
Q

the type of equipment to use when compacting clay soils is a

A

sheepsfoot roller

107
Q

on a large paving job, what type of equipment is used

A

mechanical grader

108
Q

the correct type of plans to use on an edge and camber is a

A

form plane

109
Q

self proppelled paving machines are used on nearly all jobs of any size where a quality surface is required. self propelled paving machines can receive asphalt in which of the following ways

A

-by end dump trucks dumping mix into the paving machine hopper
-by a pickup machine paddling up asphalt which was dumped from the bottom dump trucks

110
Q

what is the least true about self propelled paving machines

A

three screed augers spread the asphalt concrete the entire length of the screed

111
Q

there are many models and sizes of paving machines. A few pavers are capable of laying pavement 28 feet wide. The most efficient width when paving is

A

10 to 12 feet

112
Q

what is false about pickup machines

A

the pickup machine isent effective on long passes

113
Q

efore paving, a paving machine should be waremd up for how long

A

20 minutes

114
Q

any area on the paving machine that comes in contact with asphalt must be sprayed with ____ before using. This will prevent the asphalt from sticking to cold parts

A

diesel

115
Q

if the bottom dump trucks are going to be hand dumped when dumping asphalt, which trailer should be dumped first

A

front trailer

116
Q

when an asphalt mix looks brownish it may be

A

too little asphalt

117
Q

if the specifications call for a 4” finished depth of asphalt, how deep should the screeds of the paving machine be set for

A

4-3/4”

118
Q

what is false when working with rollers

A

when rolling asphalt always make the first pass on the high side of the asphalt mat

119
Q

on large jobs, many asphalt specifications require that three rollers be used on the job. which of the following is most nearly true about rollers

A

12 ton 3 wheel roller or tandem, an 8 ton pneumatic- tire roller and an 8 ton tandem

120
Q

should the 10 ton roller keep up with the paver (T/F)

A

False

121
Q

space holder

A
122
Q

when compacting silt clay or clay mixtures out in the open, which of the following compactors would be most effective

A

sheepsfoot roller

123
Q

when compacting granular soils out in the open, which of the following compactors would be most efficient

A

steel wheel and rubber tired

124
Q

to cut and grade a roadway, you would use which of the followin pieces of equipemtn

A

a buldozer

125
Q

the simplest type of crane is

A

pole

126
Q

which type of crane would be use to lower another crane from a building

A

tripod

127
Q

a derrick, a crane or any lift machine is rated by

A

weight

128
Q

on all bom type mobil cranes the rated loads shall be specified at a maximum and minimum radius at ____ points for various boom lengths

A

2

129
Q

proof load tests shall be based on the manufacturers load ratings for the condition of use and shall consist of the application of a proof load as closee as possible but not exceeding ____ percent of the load ratings for the boom on the crane

A

110

130
Q

a crane shall never be operated in an unsafe condition, therefore inspections on all parts subject to wear will be made every ____ days

A

90

131
Q

cranes shall not be operated more than ____ hours without being inspected

A

750

132
Q

for power lines rated 5 kv or below, minimum clearance between the lines and any part of the crane or load should be ____ feet

A

10

133
Q

a forklift or similar self propelled equipment shall not be in motion if the lift is ____ feet high or higher

A

12

CSLB Trade (22 decks)

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