Hardscaping and Irrigation Systems
"Weep holes" can be applied wherein of the subsequent strategies of alternate in website online
grading?
A) stone rip rap
b) wooden cribbing
c) wall retaining d) earth embarkment - ANS-Retaining walls
A one hundred twenty-volt electrical machine will:
a) Installation close to a ballot does not necessitate a GFCI circuit. B) not offer enough energy
to light all trees
c) be inadequate for low voltage systems
d) require an authorized electrician to offer a 115-to-a hundred and twenty-volt circuit wherein
the transformer is positioned - ANS-require a certified electrician to provide a one hundred
fifteen-to-a hundred and twenty-volt circuit wherein the transformer is positioned A 3:1 grade
has an 18 foot run, what's the peak?
A) three ft
b) 6 ft
c) 15 feet
d) fifty four feet - ANS-6 toes
18/three = 6
horizontal (run) : vertical ( upward thrust)
a 60-PSI main line rises 20 ft to a valve. What is the static stress at the valve?
A) 40 PSI
b) 68.66 PSI
c) 51.34 PSI
d) 48.95 PSI - ANS-fifty one.34 PSI
Simplified irrigation design
A chemical NOT used as a preservative for treating timber fencing is:
a) pentachlorophenol
b) ammoniacal copper zinc arsenate
c) calcium chloride
d) creosote - ANS-calcium chloride
A concrete slab ought to be bull floated as soon as viable after:
a) Placement b) screeding
c) floating
d) edging - ANS-screeding
a CR-21 licensee can also construct a ornamental wall as much as what top?
A) 6 toes
b) 8 feet
c) three toes
d) ANS-6 ft, 4 feet A CR-21 licensee may additionally construct a retaining wall as much as
what peak?
A) 2 feet
, b) 3 ft
c) 6 feet
d) 4 ft - ANS-3 ft
a CR-21 licensee can also deploy residential misting structures under what PSI?
A) 1000 psi
b) one hundred twenty psi
c) 500 psi
d) ninety psi - ANS-a thousand psi
What is a fence with posts and spherical rails in which the rails are decreased to dowels? A)
break up rail
b) paddle submit
c) wood
d) peeled submit and rail - ANS-peeled publish and rail
A footing for a fence is 2 ft deep, 1 foot extensive and 40 ft in length, what number of cubic
yards of concrete might be needed?
A) 8.88 cy
b) 2.Ninety six cy
c) 16 cy
d) 80 cy - ANS-2.Ninety six cy
A activity takes 2 guys 40 hours every to complete. The organisation has a 5-man crew,
assuming they work an eight-hour day, how long will it take the five-man team to complete the
equal job?
A) three days
b) 1 day
c) 2 days
d) four days - ANS-2 days
2 men x forty hours each = eighty man hours
eighty guy hours / 5 men = sixteen hours or 2 days
A lintel ought to have at the very least how many inches of bearing over the ends of every
jamb?
A) 6 inches
b) four inches
c) five inches
d) 3 inches - ANS-4 inches
A masonry pattern with all of the vertical joints aligned is known as a ___ bond
a) commonplace
b) Flemish
c) going for walks
d) stack - ANS-stack
A most allowable bed joint thickness among masonry devices is ____ inch
a) 1/four
b) three/8
c) three/4
d) five/eight - ANS-three/four
"Weep holes" can be applied wherein of the subsequent strategies of alternate in website online
grading?
A) stone rip rap
b) wooden cribbing
c) wall retaining d) earth embarkment - ANS-Retaining walls
A one hundred twenty-volt electrical machine will:
a) Installation close to a ballot does not necessitate a GFCI circuit. B) not offer enough energy
to light all trees
c) be inadequate for low voltage systems
d) require an authorized electrician to offer a 115-to-a hundred and twenty-volt circuit wherein
the transformer is positioned - ANS-require a certified electrician to provide a one hundred
fifteen-to-a hundred and twenty-volt circuit wherein the transformer is positioned A 3:1 grade
has an 18 foot run, what's the peak?
A) three ft
b) 6 ft
c) 15 feet
d) fifty four feet - ANS-6 toes
18/three = 6
horizontal (run) : vertical ( upward thrust)
a 60-PSI main line rises 20 ft to a valve. What is the static stress at the valve?
A) 40 PSI
b) 68.66 PSI
c) 51.34 PSI
d) 48.95 PSI - ANS-fifty one.34 PSI
Simplified irrigation design
A chemical NOT used as a preservative for treating timber fencing is:
a) pentachlorophenol
b) ammoniacal copper zinc arsenate
c) calcium chloride
d) creosote - ANS-calcium chloride
A concrete slab ought to be bull floated as soon as viable after:
a) Placement b) screeding
c) floating
d) edging - ANS-screeding
a CR-21 licensee can also construct a ornamental wall as much as what top?
A) 6 toes
b) 8 feet
c) three toes
d) ANS-6 ft, 4 feet A CR-21 licensee may additionally construct a retaining wall as much as
what peak?
A) 2 feet
, b) 3 ft
c) 6 feet
d) 4 ft - ANS-3 ft
a CR-21 licensee can also deploy residential misting structures under what PSI?
A) 1000 psi
b) one hundred twenty psi
c) 500 psi
d) ninety psi - ANS-a thousand psi
What is a fence with posts and spherical rails in which the rails are decreased to dowels? A)
break up rail
b) paddle submit
c) wood
d) peeled submit and rail - ANS-peeled publish and rail
A footing for a fence is 2 ft deep, 1 foot extensive and 40 ft in length, what number of cubic
yards of concrete might be needed?
A) 8.88 cy
b) 2.Ninety six cy
c) 16 cy
d) 80 cy - ANS-2.Ninety six cy
A activity takes 2 guys 40 hours every to complete. The organisation has a 5-man crew,
assuming they work an eight-hour day, how long will it take the five-man team to complete the
equal job?
A) three days
b) 1 day
c) 2 days
d) four days - ANS-2 days
2 men x forty hours each = eighty man hours
eighty guy hours / 5 men = sixteen hours or 2 days
A lintel ought to have at the very least how many inches of bearing over the ends of every
jamb?
A) 6 inches
b) four inches
c) five inches
d) 3 inches - ANS-4 inches
A masonry pattern with all of the vertical joints aligned is known as a ___ bond
a) commonplace
b) Flemish
c) going for walks
d) stack - ANS-stack
A most allowable bed joint thickness among masonry devices is ____ inch
a) 1/four
b) three/8
c) three/4
d) five/eight - ANS-three/four
