CR-21 AZROC TEST PREP EXAM QUESTIONS
WITH VERIFIED ANSWERS
Which of the following is a cohesive soil?
Clay
How many strap are required on a 4 foot chain link fence
4
How wide should the footer be for a CMU wall?
Twice the width of the block
Blue Stake uses Green to mark which of the following?
Sanitary Sewer
In sandy soil the movement of water is
more vertical then horizontal
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
How should the trowel be held against the wall when plastering with portland cement used
for exterior application?
Slight angle
What is a 1/2 inch of accumulated organic material in a grassy area called?
thatch layer
According to OSHA, what type of evacuation plan is needed for an employer with 10 or
fewer employees?
Oral
A CR-21 licensee may install residential misting systems under what PSI?
1000psi
How do you properly plant ground cover?
in rows, each row staggered
Refer to friction loss chart. You have 100 feet of pipe carrying 5 GPM of water. What is the
smallest pipe that you can use while keeping the velocity below 5' per second?
1/2"
What should be done with scrap wood with nails in it?
Remove the nails before stacking or piling it
Refer to the illustration, which of the following show a 180 degree arc?
B
WITH VERIFIED ANSWERS
Which of the following is a cohesive soil?
Clay
How many strap are required on a 4 foot chain link fence
4
How wide should the footer be for a CMU wall?
Twice the width of the block
Blue Stake uses Green to mark which of the following?
Sanitary Sewer
In sandy soil the movement of water is
more vertical then horizontal
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
How should the trowel be held against the wall when plastering with portland cement used
for exterior application?
Slight angle
What is a 1/2 inch of accumulated organic material in a grassy area called?
thatch layer
According to OSHA, what type of evacuation plan is needed for an employer with 10 or
fewer employees?
Oral
A CR-21 licensee may install residential misting systems under what PSI?
1000psi
How do you properly plant ground cover?
in rows, each row staggered
Refer to friction loss chart. You have 100 feet of pipe carrying 5 GPM of water. What is the
smallest pipe that you can use while keeping the velocity below 5' per second?
1/2"
What should be done with scrap wood with nails in it?
Remove the nails before stacking or piling it
Refer to the illustration, which of the following show a 180 degree arc?
B
