CR-21ghLandscapesghandghIrrigationghAZROCghTestghPrep
Whatghisghtheghminimumghthicknessghofghbrickghforghtheghexteriorghwallghofghaghf
ireplace?
a)gh6ghinchesgh
b)gh8ghinches
c)gh10ghinches
d)gh9ghinchesgh-ghcorrectghanswer✔ ✔ 8ghInches
Whatghisgh1/2ghinchghofghaccumulatedghorganicghmaterialghinghaghgrassyghareaghc
alled?
a)ghmulchgh
b)ghgroundghcover
c)ghstolons
d)ghthatchghlayergh-ghcorrectghanswer✔ ✔ ThatchghLayer
Whatghshouldghbeghprovidedghasghaghcoverghforghtheghdrainghtileghbeforeghinstalli
ngghtheghpondghlinerghwhereghsubdrainghisghused?
,a)gh4ghinchesghofghpeaghgravel
b)ghscreenghwithgh1/4ghinchghmesh
c)ghaghpoolghgrategh
d)gh8ghinchesghofghmediumghsizedghrockgh-ghcorrectghanswer✔ ✔
4ghinchesghofghpeaghgravel
Howghdoghyoughproperlyghplantghgroundghcover?
a)ghinghaghcircularghpattern
b)ghinghrows,gheachghrowghstaggered
c)ghinghgroupsghofgh2
d)gh18ghinchesghapartghinghrowsgh-ghcorrectghanswer✔ ✔
Inghrows,gheachghrowghstaggered
Youghareghgoingghtoghpourghaghconcreteghpadghthatghisgh16ghfeetghbygh22ghfeetghan
dgh4ghinchesghthick,ghhowghmanyghcubicghyardsghofghconcreteghareghneeded?
a)gh7.3
b)gh6.3
c)gh3.3
d)gh4.3gh-ghcorrectghanswer✔ ✔ 4.3ghcubicghyards
,4.3ghcubicghyards
4inchesgh--->gh0.333ft
Cubicghfeetghtoghcubicghyardsgh/27
16*22*0.333=117.3333
117.3333/27gh=gh4.3ghcubicghyards
HowghwideghshouldghtheghfooterghbeghforghaghCMUghwall?
a)ghequalghtoghtheghwidthghofghtheghblock
b)ghequalghtoghtheghdepthghofghtheghfrostline
c)ghthreeghtimesghtheghwidthghofghtheghblock
d)ghtwiceghtheghwidthghofghtheghblockgh-ghcorrectghanswer✔ ✔
Twiceghtheghwidthghofghtheghblock
Howghdoesghaghcontractorghknowghhowghtoghfillghaghtrenchghtoghaghcertainghgrade
?
a)ghbyghguessing
b)ghtheghtypeghofghsoil
c)ghbyghavailableghbackfill
d)ghtheghspecificationsgh-ghcorrectghanswer✔ ✔ Theghspecifications
, Howghmanygh8inchghxgh8inchx16inchghconcreteghmasonryghblocksghwillghbeghr
equiredghforghaghwallghthatghisgh8ghfeetgh8ghinchesghhighghandgh104ghfeetghlong?
a)gh936
b)gh1088
c)gh1124
d)gh1014gh-ghcorrectghanswer✔ ✔ 1014ghblocks
8ghfeetgh*gh12ghinchesgh=gh96ghinchesgh+gh8ghinchesgh=gh104ghinches
104ghinchesgh/gh8ghinchesgh=gh13ghforghheightgh
104ghfeetgh*gh12ghinchesgh=gh1248ghinchesgh
1248ghinchesgh/gh16ghinchesgh=gh78ghforghlength
13gh*gh78gh=gh1014ghblocks
Whatghisghtheghmaximumghheightghaboveghgradeghofghaghwoodenghdeckghthatghagh
CR-21ghlicenseghmayghbuild?
a)gh36ghinches
b)gh48ghinches
c)gh18ghinches
Whatghisghtheghminimumghthicknessghofghbrickghforghtheghexteriorghwallghofghaghf
ireplace?
a)gh6ghinchesgh
b)gh8ghinches
c)gh10ghinches
d)gh9ghinchesgh-ghcorrectghanswer✔ ✔ 8ghInches
Whatghisgh1/2ghinchghofghaccumulatedghorganicghmaterialghinghaghgrassyghareaghc
alled?
a)ghmulchgh
b)ghgroundghcover
c)ghstolons
d)ghthatchghlayergh-ghcorrectghanswer✔ ✔ ThatchghLayer
Whatghshouldghbeghprovidedghasghaghcoverghforghtheghdrainghtileghbeforeghinstalli
ngghtheghpondghlinerghwhereghsubdrainghisghused?
,a)gh4ghinchesghofghpeaghgravel
b)ghscreenghwithgh1/4ghinchghmesh
c)ghaghpoolghgrategh
d)gh8ghinchesghofghmediumghsizedghrockgh-ghcorrectghanswer✔ ✔
4ghinchesghofghpeaghgravel
Howghdoghyoughproperlyghplantghgroundghcover?
a)ghinghaghcircularghpattern
b)ghinghrows,gheachghrowghstaggered
c)ghinghgroupsghofgh2
d)gh18ghinchesghapartghinghrowsgh-ghcorrectghanswer✔ ✔
Inghrows,gheachghrowghstaggered
Youghareghgoingghtoghpourghaghconcreteghpadghthatghisgh16ghfeetghbygh22ghfeetghan
dgh4ghinchesghthick,ghhowghmanyghcubicghyardsghofghconcreteghareghneeded?
a)gh7.3
b)gh6.3
c)gh3.3
d)gh4.3gh-ghcorrectghanswer✔ ✔ 4.3ghcubicghyards
,4.3ghcubicghyards
4inchesgh--->gh0.333ft
Cubicghfeetghtoghcubicghyardsgh/27
16*22*0.333=117.3333
117.3333/27gh=gh4.3ghcubicghyards
HowghwideghshouldghtheghfooterghbeghforghaghCMUghwall?
a)ghequalghtoghtheghwidthghofghtheghblock
b)ghequalghtoghtheghdepthghofghtheghfrostline
c)ghthreeghtimesghtheghwidthghofghtheghblock
d)ghtwiceghtheghwidthghofghtheghblockgh-ghcorrectghanswer✔ ✔
Twiceghtheghwidthghofghtheghblock
Howghdoesghaghcontractorghknowghhowghtoghfillghaghtrenchghtoghaghcertainghgrade
?
a)ghbyghguessing
b)ghtheghtypeghofghsoil
c)ghbyghavailableghbackfill
d)ghtheghspecificationsgh-ghcorrectghanswer✔ ✔ Theghspecifications
, Howghmanygh8inchghxgh8inchx16inchghconcreteghmasonryghblocksghwillghbeghr
equiredghforghaghwallghthatghisgh8ghfeetgh8ghinchesghhighghandgh104ghfeetghlong?
a)gh936
b)gh1088
c)gh1124
d)gh1014gh-ghcorrectghanswer✔ ✔ 1014ghblocks
8ghfeetgh*gh12ghinchesgh=gh96ghinchesgh+gh8ghinchesgh=gh104ghinches
104ghinchesgh/gh8ghinchesgh=gh13ghforghheightgh
104ghfeetgh*gh12ghinchesgh=gh1248ghinchesgh
1248ghinchesgh/gh16ghinchesgh=gh78ghforghlength
13gh*gh78gh=gh1014ghblocks
Whatghisghtheghmaximumghheightghaboveghgradeghofghaghwoodenghdeckghthatghagh
CR-21ghlicenseghmayghbuild?
a)gh36ghinches
b)gh48ghinches
c)gh18ghinches
