CR-21 Landscapes and Irrigation AZROC Test Prep
Questions With Complete Solutions
"Weep holes" may be utilized in which of the following methods
of change in site grading?
a) stone rip rap
b) timber cribbing
c) retaining walls
d) earth embarkment Correct Answers Retaining walls
"Weep Holes" may be utilized in which of the following
methods of change in site grading?
A. Earth Embarkment
B. Retaining walls
C. Timber Cribbing
D. Stone Rip Rap Correct Answers B. Retaining walls
Small holes in retaining walls to allow water excess to be
washed out from behind retaining wall
"Weep Holes" may be utilized in which of the following
methods of change in site grading?
A. Earth Embarkment
B. Retaining walls
,C. Timber Cribbing
D. Stone Rip Rap Correct Answers B. Retaining walls
Small holes in retaining walls to allow water excess to be
washed out from behind retaining wall
"Weepholes" may be utilized in which of the following methods
of change in site grading? Correct Answers Retaining Walls
A 120 V electrical system will? Correct Answers Require a
license electrician to provide 115 to 120 V circuit where the
transformers located
A 120 volt electrical system will:
A. Not require a GFCI circuit if installed near a poll
B. Not provide enough electricity to light all trees
C. Require a licensed electrician to provide 115 to 120 volt
circuit where the transformer is located
D. Be inadequate for low voltage systems Correct Answers C.
Require a licensed electrician to provide 115 to 120 volt circuit
where the transformer is located
Electric Source. A custom DC electrical system willrequire that
a licensed electrician provide a 115-120volt circuit to the
location where the transformer(s).will be located.
A 120-volt electrical system will:
,a) not require a GFCI circuit if installed near a poll
b) not provide enough electricity to light all trees
c) be inadequate for low voltage systems
d) require a licensed electrician to provide 115-to-120-volt
circuit where the transformer is located Correct Answers
require a licensed electrician to provide 115-to-120-volt circuit
where the transformer is located
A 3:1 grade has an 18 foot run, what is the height?
A. 15 foot
B. 6 foot
C. 3 foot
D. 54 foot Correct Answers B. 6 foot
A 3:1 grade has an 18 foot run, what is the height?
A. 6 FT
B. 3 FT
C. 54 FT
D. 15 Correct Answers A. 6 FT
18 ÷ 3 = 6
A 3:1 grade has an 18 foot run, what is the height?
A. 6 FT
, B. 3 FT
C. 54 FT
D. 15 Correct Answers A. 6 FT
18 ÷ 3 = 6
A 3:1 grade has an 18 foot run, what is the height?
a) 3 feet
b) 6 feet
c) 15 feet
d) 54 feet Correct Answers 6 feet
18/3 = 6
horizontal (run) : vertical ( rise)
a 60-PSI main line rises 20 feet to a valve. What is the static
pressure at the valve?
a) 40 PSI
b) 68.66 PSI
c) 51.34 PSI
d) 48.95 PSI Correct Answers 51.34 PSI
Simplified irrigation design
A 60-PSI main line rises 20' to a valve. What is the static
pressure at the valve Correct Answers 51.34
Questions With Complete Solutions
"Weep holes" may be utilized in which of the following methods
of change in site grading?
a) stone rip rap
b) timber cribbing
c) retaining walls
d) earth embarkment Correct Answers Retaining walls
"Weep Holes" may be utilized in which of the following
methods of change in site grading?
A. Earth Embarkment
B. Retaining walls
C. Timber Cribbing
D. Stone Rip Rap Correct Answers B. Retaining walls
Small holes in retaining walls to allow water excess to be
washed out from behind retaining wall
"Weep Holes" may be utilized in which of the following
methods of change in site grading?
A. Earth Embarkment
B. Retaining walls
,C. Timber Cribbing
D. Stone Rip Rap Correct Answers B. Retaining walls
Small holes in retaining walls to allow water excess to be
washed out from behind retaining wall
"Weepholes" may be utilized in which of the following methods
of change in site grading? Correct Answers Retaining Walls
A 120 V electrical system will? Correct Answers Require a
license electrician to provide 115 to 120 V circuit where the
transformers located
A 120 volt electrical system will:
A. Not require a GFCI circuit if installed near a poll
B. Not provide enough electricity to light all trees
C. Require a licensed electrician to provide 115 to 120 volt
circuit where the transformer is located
D. Be inadequate for low voltage systems Correct Answers C.
Require a licensed electrician to provide 115 to 120 volt circuit
where the transformer is located
Electric Source. A custom DC electrical system willrequire that
a licensed electrician provide a 115-120volt circuit to the
location where the transformer(s).will be located.
A 120-volt electrical system will:
,a) not require a GFCI circuit if installed near a poll
b) not provide enough electricity to light all trees
c) be inadequate for low voltage systems
d) require a licensed electrician to provide 115-to-120-volt
circuit where the transformer is located Correct Answers
require a licensed electrician to provide 115-to-120-volt circuit
where the transformer is located
A 3:1 grade has an 18 foot run, what is the height?
A. 15 foot
B. 6 foot
C. 3 foot
D. 54 foot Correct Answers B. 6 foot
A 3:1 grade has an 18 foot run, what is the height?
A. 6 FT
B. 3 FT
C. 54 FT
D. 15 Correct Answers A. 6 FT
18 ÷ 3 = 6
A 3:1 grade has an 18 foot run, what is the height?
A. 6 FT
, B. 3 FT
C. 54 FT
D. 15 Correct Answers A. 6 FT
18 ÷ 3 = 6
A 3:1 grade has an 18 foot run, what is the height?
a) 3 feet
b) 6 feet
c) 15 feet
d) 54 feet Correct Answers 6 feet
18/3 = 6
horizontal (run) : vertical ( rise)
a 60-PSI main line rises 20 feet to a valve. What is the static
pressure at the valve?
a) 40 PSI
b) 68.66 PSI
c) 51.34 PSI
d) 48.95 PSI Correct Answers 51.34 PSI
Simplified irrigation design
A 60-PSI main line rises 20' to a valve. What is the static
pressure at the valve Correct Answers 51.34
