Landscaping C-27 Trade Test 2 Already Graded A+
What does the abbreviation "B.C" Stand for on a plan?
Bottom of curb
If you are coming off a 120v household circuit, & you must convert to 12v, what should you do?
Call an electrician
In a low-voltage system, there are two 25-watt lights, fi...
Landscaping C-27 Trade Test 2 Already Graded A+
What does the abbreviation "B.C" Stand for on a plan?
Bottom of curb
If you are coming off a 120v household circuit, & you must convert to 12v, what should you do?
Call an electrician
In a low-voltage system, there are two 25-watt lights, five 30-watt lights, and one 50-watt light. How
many watts would you have to run in the system?
250 watts
When splicing into a lighting system, how are the splices made?
Above ground
What do straight, parallel, stacked lines close together on a contour plan represent?
A steep slope
Rough Lumber symbol
If lights are dimming at the end of a line, what is the most probable cause?
They were wired in series
When laying out a deck, what would be the least likely cause of excessive splitting or cracking in a newly
constructed deck built with 2x6's?
Wood is green
What is the white wire in an electrical system?
Neutral
What is required to change a 110-volt system to a workable low-voltage system?
Transformer
A concrete slab must be at least how many inches thick if passenger vehicles are to park upon it?
4"
What are the dressed (actual) dimensions of 4x8's?
, 3-1/2" x 7-1/4"
If a drain is 33' long and graded at 2%, how much would it change in elevation?
2/3' = 8"
What type of line is used to represent existing contour lines on a grading plan?
Dashed
What is the safest size for an electrical extension cord?
No. 12 AWG
What do the functions of a self-loading box scraper include?
Grading, compacting, leveling, and hauling
What is the last finishing step in concrete work?
Floating
What is grade 1 construction lumber used for?
Not necessarily for appearance
If you run a drain system above the tree roots but under the final grade, what drain design should you
use?
Concentric circle
For an invert elevation, what would the top of a drain be shown?
At the inside bottom of a pipe
How do you determine the size of the transformer used for an exterior lighting system?
The number of amps and the distance covered
When do you trowel concrete?
Immediately after floating
If outdoor lights continue to flicker on and off, what is the most likely cause?
A fault in the transformer
Low-voltage control conductors must be what type?
UF
What is the best tool for drilling brick?
Masonry bit
If you join two S4S 4x4's together, what is the minimum size bolt that you could use?
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