CR-21 AZROC Prep Comprehensive Resource To Help You Ace 2026-2027 Exams Includes
Frequently Tested Questions With ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
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 sprin-
Atmospheric vacuum breaker
kler and circuit valve
How do you connect PE to PVC Compression Adapter
What determines the pattern & quantity of water of a spray
Spray Nozzle
head?
What method of tree transportation is usually limited to
Bare rooted
dormant species?
What insect is bad for turf? Scale
Brick is laid on concrete foundations, the first bed of
3/4"
mortar joint shall be what maximum thickness?
How long should you wait after the first course of a black
A few hours (2-3)
wall before continuing?
When installing an electrical (irrigation) pump, a circuit
breaker (disconnect) must be installed within feet 50ft
of the pump
What is the maximum height allowed for a single grout
8'
pour of a masonry wall?
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 14.4
the system voltage is 24 volts, what is the total wattage
1/9
, CR-21 AZROC Prep Comprehensive Resource To Help You Ace 2026-2027 Exams Includes
Frequently Tested Questions With ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
demand for these four (4) valves?
VOLTxAMP=WATT
How should the trowel be held against the wall when plas-
Slight angle
tering with portland cement used for exterior application?
What is a 1/2 inch of accumulated organic material in a
thatch layer
grassy area called?
According to OSHA, what type of evacuation plan is need-
Oral
ed for an employer with 10 or fewer employees?
A CR-21 licensee may install residential misting systems
1000psi
under what PSI?
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 1/2"
can use while keeping the velocity below 5' per second?
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
B
degree arc?
What is the purpose of humus? To Increase water retention
What does OSHA consider to be the minimum safety
Goggles, face mask, gloves
equipment (PPE)
What type of block is best for filled cell applications? 2 core
What is the maximum height ditterence between inter-
1/8"
locking and pavers
What is the minimum initial bed joint thickness for placing
1/4"
masonry unit
When setting a wood fence post in concrete, the bottom
gravel
end of the post should be set in
2/9
Frequently Tested Questions With ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
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 sprin-
Atmospheric vacuum breaker
kler and circuit valve
How do you connect PE to PVC Compression Adapter
What determines the pattern & quantity of water of a spray
Spray Nozzle
head?
What method of tree transportation is usually limited to
Bare rooted
dormant species?
What insect is bad for turf? Scale
Brick is laid on concrete foundations, the first bed of
3/4"
mortar joint shall be what maximum thickness?
How long should you wait after the first course of a black
A few hours (2-3)
wall before continuing?
When installing an electrical (irrigation) pump, a circuit
breaker (disconnect) must be installed within feet 50ft
of the pump
What is the maximum height allowed for a single grout
8'
pour of a masonry wall?
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 14.4
the system voltage is 24 volts, what is the total wattage
1/9
, CR-21 AZROC Prep Comprehensive Resource To Help You Ace 2026-2027 Exams Includes
Frequently Tested Questions With ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
demand for these four (4) valves?
VOLTxAMP=WATT
How should the trowel be held against the wall when plas-
Slight angle
tering with portland cement used for exterior application?
What is a 1/2 inch of accumulated organic material in a
thatch layer
grassy area called?
According to OSHA, what type of evacuation plan is need-
Oral
ed for an employer with 10 or fewer employees?
A CR-21 licensee may install residential misting systems
1000psi
under what PSI?
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 1/2"
can use while keeping the velocity below 5' per second?
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
B
degree arc?
What is the purpose of humus? To Increase water retention
What does OSHA consider to be the minimum safety
Goggles, face mask, gloves
equipment (PPE)
What type of block is best for filled cell applications? 2 core
What is the maximum height ditterence between inter-
1/8"
locking and pavers
What is the minimum initial bed joint thickness for placing
1/4"
masonry unit
When setting a wood fence post in concrete, the bottom
gravel
end of the post should be set in
2/9
