Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

C-10 Landscape Trade > Chapter 2 > Flashcards

Chapter 2 Flashcards

1
Q

The highest point of a swale should be at least _____ lower than the finish elevation of any paved area or structure.

A

6 Inches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

From that high point, a minimum of 2% downstream slope should be maintained with grades up to ______ allowed for short distance.

A

3%-5%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Never connect storm drains to what?

A

Sanitary sewer lines

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the average life of a trench drain?

A

5-10 years

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Beginning at the outlet point, excavate a _______ wide trench along the entire length of the collective system.

A

8-12 Inch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The trench should be deep enough that the grade can fall at a ________% rate from the highest inlet to the outlet point.

A

1%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Excavating the trench ______ inches deeper will allow a sand setting bed to be added.

A

1 to 2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Water flows into clay or concrete piping and is typically laid at a minimum slope of _______% to maintain flow.

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Treatment of a drain outlet with ______ riprap to prevent erosion.

A

4-8 Inches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Masonry paved bricks used for a walkways and patios are thinner than regular bricks by approximately _________?

A

1 Inch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What are the actual dimensions of a 4 x 4 post?

A

3 1/2 x 3 1/2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Which treatment would be the least effective for preserving wood?

A

Paint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the minimum slope on a concrete patio to allow for drainage?

A

1/8”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

The greatest angle above the horizontal plane at which a material will lie without sliding is _______?

A

Angle of repose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the purpose of “as built” (Record) drawings?

A

To insure that changes and deviations from the plans are recorded so the contractor can charge the owner.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

When routing the electrical supply to an exterior location, all components should be placed in what?

A

Conduit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

How deep should the conduit be in the ground?

A

18 Inches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

How many ways for transformer and wiring options for DC lighting?

A

2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Installing conduit will ensure what?

A

Longer-lasting installation with fewer maintenance issue.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Excavating an 18 inch deep by _______ wide trench for proper conduit installations?

A

4 Inches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

A separate curved piece of conduit should lead back down into the trench to start what?

A

Conduit run and next fixture

22
Q

When mixing acid and water, always add what?

A

Acid to water

23
Q

What procedures should you follow when applying acid and chemicals?

A

Manufacturers

24
Q

What should be used for excavations on more than 2-3 cubic yards?

A

Skid-steer

25
Q

When removing bulbs from a garden, which of the following tools is recommended?

A

Spading fork

26
Q

Generally, contours which are closer together indicate a ______ slope?

A

Steep

27
Q

All grading plans have a contour interval which ________?

A

Should remain the same over the entire plan.

28
Q

Existing contour lines are usually shown by ______?

A

Continuous dashed lines (Broken)

29
Q

Proposed contour lines are shown with _________?

A

A solid bold line

30
Q

When can contours intervals overlap?

A

Overhang

31
Q

Run-off water will always flow downhill along a line that is _______ the contour lines.

A

Perpendicular to

32
Q

Contour lines are labeled with the number on the _________?

A

High side or in the middle of the lines

33
Q

What type of sprinkler is most effective for watering with the least evaporation and the least amount of water?

A

Spray

34
Q

The three basic types of sprinkler systems are the spray, rotary and quick-coupling systems. The type of sprinkler systems which is the most efficient in terms of uniform distributions of water, low evaporational loss and the shortest time scheduling for water is the _________?

A

Spray

35
Q

The three basic types of sprinkler systems are the spray, rotary and quick-coupling systems. according to the turf irrigation manual, the type of sprinkling systems which is the most expensive to install is the_______?

A

Spray

36
Q

On a pop up spray head, lack of any mist us evidence of _______?

A

Low Pressure

37
Q

What is “pop-up” known as?

A

Lawn Head

38
Q

The orifices of nozzles on both spray and rotary systems _______?

A

Define the radius of coverage and flow at a specified pressure.

39
Q

What is the normal spray trajectory of a pop-up spray head

A

30 - 40 Degrees

40
Q

Which head is the hardest to maintain because of its very small orifice?

A

Stream

41
Q

What type of fitting is used when attaching the last sprinkler head on a pipe run to flexible swing joint?

A

90 Degree threaded elbow

42
Q

What is holding current?

A

The amount of amps required to keep the solenoid open while irrigating.

43
Q

How is a flexible swing joint attached?

A

With a barbed male adapter or male elbow

44
Q

What is black wire used for?

A

Common or ground wire

45
Q

How much coiled extra wire should you allow in a control valve?

A

1.5 Feet

46
Q

Where is the booster pump located?

A

Along the pressurized mainline near the location you want to boost pressure.

47
Q

Atmospheric Vacuum Breaker (AVB), Pressure Vacuum Breaker (PVB) and Hose Connection Vacuum Breaker (HCVB) are all?

A

Backflow prevention devices

48
Q

Only one (AVB) is needed per circuit and must be installed ______ inches above the highest head?

A

12 Inches

49
Q

If you need a lawn immediately, which is the best way to install?

A

Sodding

50
Q

What element expands and compacts with the ground?

A

Clay

C-10 Landscape Trade (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions