CR- 21 Landscapes and Irrigation AZROC Test
Prep – Arizona Registrar of Contractors
(AZROC) Commercial Landscaping and
Irrigation – 2026/2027 Edition – Verified
Questions and Answers
Which of the following is a cohesive soil?
Clay
3 multiple choice options
How many strap are required on a 4 foot chain link fence
4
2 multiple choice options
How wide should the footer be for a CMU wall?
Twice the width of the block
3 multiple choice options
Blue Stake uses Green to mark which of the following?
Sanitary Sewer
3 multiple choice options
,In sandy soil the movement of water is
more vertical then horizontal
1 multiple choice option
What type of backflow prevention is used between sprinkler and circuit valve
Atmospheric vacuum breaker
How do you connect PE to PVC
Compression Adapter
What determines the pattern & quantity of water of a spray head?
Spray Nozzle
What method of tree transportation is usually limited to dormant species?
Bare rooted
What insect is bad for turf?
Scale
Brick is laid on concrete foundations, the first bed of mortar joint shall be what maximum
thickness?
, 3/4"
How long should you wait after the first course of a black wall before continuing?
A few hours (2-3)
When installing an electrical (irrigation) pump, a circuit breaker (disconnect) must be installed
within ______ feet of the pump
50ft
What is the maximum height allowed for a single grout pour of a masonry wall?
8'
How do you attach wood bracing on a gate?
Diagonally with the bottom at the hinge side
There are four (4) RCV valves in a sprinkler system that are wired independently and draw 0.15
amps each. If the system voltage is 24 volts, what is the total wattage demand for these four (4)
valves?
VOLTxAMP=WATT
14.4
Prep – Arizona Registrar of Contractors
(AZROC) Commercial Landscaping and
Irrigation – 2026/2027 Edition – Verified
Questions and Answers
Which of the following is a cohesive soil?
Clay
3 multiple choice options
How many strap are required on a 4 foot chain link fence
4
2 multiple choice options
How wide should the footer be for a CMU wall?
Twice the width of the block
3 multiple choice options
Blue Stake uses Green to mark which of the following?
Sanitary Sewer
3 multiple choice options
,In sandy soil the movement of water is
more vertical then horizontal
1 multiple choice option
What type of backflow prevention is used between sprinkler and circuit valve
Atmospheric vacuum breaker
How do you connect PE to PVC
Compression Adapter
What determines the pattern & quantity of water of a spray head?
Spray Nozzle
What method of tree transportation is usually limited to dormant species?
Bare rooted
What insect is bad for turf?
Scale
Brick is laid on concrete foundations, the first bed of mortar joint shall be what maximum
thickness?
, 3/4"
How long should you wait after the first course of a black wall before continuing?
A few hours (2-3)
When installing an electrical (irrigation) pump, a circuit breaker (disconnect) must be installed
within ______ feet of the pump
50ft
What is the maximum height allowed for a single grout pour of a masonry wall?
8'
How do you attach wood bracing on a gate?
Diagonally with the bottom at the hinge side
There are four (4) RCV valves in a sprinkler system that are wired independently and draw 0.15
amps each. If the system voltage is 24 volts, what is the total wattage demand for these four (4)
valves?
VOLTxAMP=WATT
14.4
