CR-21 Landscapes and Irrigation AZROC Test Exam Latest 2026
Updated Questions and Verified 100% Solutions (2026/2027)
|A+ Graded |Guaranteed Pass
What is the name of an underground stem on a grass plant the sprouts into a new grass plant?
A. rhizome
B. stolon
C. sprig
D. plug - Answers -A. rhizome
While trenching and excavating, OSHA requires that employees be protected from excavated
materials and other materials stored near the trench or excavation. These materials must be at
least _____ of from the trench or excavation.
A. 1 feet
B. 3 feet
C. 4 feet
1|Page
,D. 2 feet - Answers -D. 2 feet
(2) Employees shall be protected from excavated or other materials or equipment that could
pose a hazard by fallingor rolling into excavations. Protection shall be provided by placing and
keeping such materials or equipment at least 2 feet (.61 m) from the edge of excavations, or by
the use of retaining devices that are sufficient to prevent materials or equipment from falling or
rolling into excavations.
Trenches that are overexcavated and require backfilling below the level of the pipe shall be
backfilled in layers not exceeding:
A. 12 inches
B. 18 inches
C. 6 inches
D. 3 inches. - Answers -C. 6 inches
Over excavation. Where trenches are excavated below the installation level of the pipe such that
the bottom of the trench does not form the bed for the pipe, the trench shall be backfilled to
the installation level of the bottom of the pipe with sand or fine gravel placed in layers of 6
inches (152 mm) maximum depth and such backfill shall be compacted after each placement.
Who is responsible for maintaining safety (PPE) equipment if employees bring their own?
2|Page
,A. Employer
B. OSHA
C. Employee
D. Manufacture - Answers -A. Employer
Employee-owned equipment. Where employees provide their own protective equipment, the
employer shall be responsible to assure its adequacy, including proper maintenance, and
sanitation of such equipment.
How should the trowel be held against the wall when plastering with Portland cement used for
exterior application?
A. Slight angle
B. 45 degree angle
C. ?
D. Flat - Answers -A. Slight angle
3|Page
, Wall ties should be placed how far from the exposed edge of a masonry unit?
A. 5/8 inch
B. 3/8 inch
C. 1/4 inch
D. 1/2 inch - Answers -A. 5/8 inch
The installation of wall ties shall be as follows:1. The ends of wall ties shall be embedded in
mortar joints. Wall ties shallhave not less than 5/8-inch (15.9 mm) mortar coverage from the
exposedface.
How many linear feet of edging will you need to go around a circle with an 8 foot diameter?
A. 24 feet
B. 16 feet
C. 50.24 feet
D. 25.12 feet - Answers -D. 25.12 feet
pi x the diameter 3.14 x 8 = 25.12
4|Page
Updated Questions and Verified 100% Solutions (2026/2027)
|A+ Graded |Guaranteed Pass
What is the name of an underground stem on a grass plant the sprouts into a new grass plant?
A. rhizome
B. stolon
C. sprig
D. plug - Answers -A. rhizome
While trenching and excavating, OSHA requires that employees be protected from excavated
materials and other materials stored near the trench or excavation. These materials must be at
least _____ of from the trench or excavation.
A. 1 feet
B. 3 feet
C. 4 feet
1|Page
,D. 2 feet - Answers -D. 2 feet
(2) Employees shall be protected from excavated or other materials or equipment that could
pose a hazard by fallingor rolling into excavations. Protection shall be provided by placing and
keeping such materials or equipment at least 2 feet (.61 m) from the edge of excavations, or by
the use of retaining devices that are sufficient to prevent materials or equipment from falling or
rolling into excavations.
Trenches that are overexcavated and require backfilling below the level of the pipe shall be
backfilled in layers not exceeding:
A. 12 inches
B. 18 inches
C. 6 inches
D. 3 inches. - Answers -C. 6 inches
Over excavation. Where trenches are excavated below the installation level of the pipe such that
the bottom of the trench does not form the bed for the pipe, the trench shall be backfilled to
the installation level of the bottom of the pipe with sand or fine gravel placed in layers of 6
inches (152 mm) maximum depth and such backfill shall be compacted after each placement.
Who is responsible for maintaining safety (PPE) equipment if employees bring their own?
2|Page
,A. Employer
B. OSHA
C. Employee
D. Manufacture - Answers -A. Employer
Employee-owned equipment. Where employees provide their own protective equipment, the
employer shall be responsible to assure its adequacy, including proper maintenance, and
sanitation of such equipment.
How should the trowel be held against the wall when plastering with Portland cement used for
exterior application?
A. Slight angle
B. 45 degree angle
C. ?
D. Flat - Answers -A. Slight angle
3|Page
, Wall ties should be placed how far from the exposed edge of a masonry unit?
A. 5/8 inch
B. 3/8 inch
C. 1/4 inch
D. 1/2 inch - Answers -A. 5/8 inch
The installation of wall ties shall be as follows:1. The ends of wall ties shall be embedded in
mortar joints. Wall ties shallhave not less than 5/8-inch (15.9 mm) mortar coverage from the
exposedface.
How many linear feet of edging will you need to go around a circle with an 8 foot diameter?
A. 24 feet
B. 16 feet
C. 50.24 feet
D. 25.12 feet - Answers -D. 25.12 feet
pi x the diameter 3.14 x 8 = 25.12
4|Page
