CR-21 AZROC TEST PREP
What is a retaining wall?
A wall built to keep land or water out of an area.
What soil amendment sweetens an acid soil?
lime
After the pipe sections and sprinkler assembly are put into a
trench, what do you do?
Flush lines
Which of the following valves has the greatest tendency to wear
out or break over time?
Gate valve
Which of the following would be best for aerating grass?
Sand and organic material
What is the minimum thickness of the scratch coat?
3/8"
What soil amendment is high phosphorous fertilizer used in
flower beds containing bulb plants?
bone meal
What is the minimum depth of a hearth in front of a masonry
fireplace?
16"
What determines the size of pipe used in a sprinkler system
GPM
, What is the best way to compact soil?
Optimum moisture
What is best to use when laying a course of brick?
mason line or stringline
If you have 12 BYC (Bank cubic yards) of sand, how much will
you have after compaction?
11.76
Street pressure is 40 PSI and 12 PSI is lost to friction, what
pressure will be available?
40psi-12psi=28psi
28 x 2.31 = 64.68
What side of a cactus develops a thicker tougher skin due to sun
exposure?
South
How should a hole be dug for a shrub with a rounded soil ball in
burlap?
Flat Bottom, straight sized hole that is wider and no deeper than the
ball
What type of plan is shown in the diagram?
Planting Plan
In order for a formal hedge to remain full of foliage from the top
down to the ground
the base must be wider then the top
How do you reduce voltage loss over a long run?
Increase size of wire
What is a retaining wall?
A wall built to keep land or water out of an area.
What soil amendment sweetens an acid soil?
lime
After the pipe sections and sprinkler assembly are put into a
trench, what do you do?
Flush lines
Which of the following valves has the greatest tendency to wear
out or break over time?
Gate valve
Which of the following would be best for aerating grass?
Sand and organic material
What is the minimum thickness of the scratch coat?
3/8"
What soil amendment is high phosphorous fertilizer used in
flower beds containing bulb plants?
bone meal
What is the minimum depth of a hearth in front of a masonry
fireplace?
16"
What determines the size of pipe used in a sprinkler system
GPM
, What is the best way to compact soil?
Optimum moisture
What is best to use when laying a course of brick?
mason line or stringline
If you have 12 BYC (Bank cubic yards) of sand, how much will
you have after compaction?
11.76
Street pressure is 40 PSI and 12 PSI is lost to friction, what
pressure will be available?
40psi-12psi=28psi
28 x 2.31 = 64.68
What side of a cactus develops a thicker tougher skin due to sun
exposure?
South
How should a hole be dug for a shrub with a rounded soil ball in
burlap?
Flat Bottom, straight sized hole that is wider and no deeper than the
ball
What type of plan is shown in the diagram?
Planting Plan
In order for a formal hedge to remain full of foliage from the top
down to the ground
the base must be wider then the top
How do you reduce voltage loss over a long run?
Increase size of wire
