FREC EXAM 3 | QUESTIONS AND ANSWERS | VERIFIED AND WELL
DETAILED ANSWERS | LATEST EXAM UPDATE
maintain a huge issue for - CORRECT ANSWER - all green spaces municipal
and residential
what is a weed? - CORRECT ANSWER - plants that grow in an area that you
don't want them to be
not all weeds are invasive - CORRECT ANSWER - invasive plants are exotic
(nonnative) species that reproduce in a landscape (natural or anthropogenic)
weeds, either exotic or native, are plants in an unwanted location
what happens if a landscape is untended (maintenance ignored)? - CORRECT
ANSWER - it quickly, within a month or so, will take on a wild, weed-strewn
landscape
landscape maintenance is expensive - CORRECT ANSWER - but overall tree
benefits exceed costs
seasonal sun angles - CORRECT ANSWER - higher in summer
lower in winter
why the seasonal angles to the sun? - CORRECT ANSWER - northern
hemisphere is tilted towards sun in summer and away from sun in winter
orientation of trees for shading in summer - CORRECT ANSWER - on east
and west (W most effective) side of structure
, what is the disadvantage of having a large shade tree very close to a house for
noontime shade? - CORRECT ANSWER - a danger and liability issue
deciduous or evergreen tree for summer shading? - CORRECT ANSWER -
use deciduous tree in summer for shading
in winter= warming advantage for sunlight on house
why are shading heat-storing surfaces a good idea - CORRECT ANSWER -
another important cooing technique is to shade pavement and other heat storing
materials like the patio and driveway. also, minimizing paved surfaces helps
keep the living area cool
in addition to transpiration - CORRECT ANSWER - shade increases solar
absorption
pavement acts as a - CORRECT ANSWER - heat sponge/storage
summer ground warming more - CORRECT ANSWER - direct/intense than
winter
shade grass temp lower by 23 degrees F - CORRECT ANSWER - shade
asphalt temp lower by 32 degreed F
leaf area index = "leaf density" = leaf area/unit ground area - CORRECT
ANSWER - crown width = canopy spread (=form; narrow vs wide)
leaf area index and canopy width - CORRECT ANSWER - vary by tree age
and species
shade affect on surface temp - CORRECT ANSWER - major
DETAILED ANSWERS | LATEST EXAM UPDATE
maintain a huge issue for - CORRECT ANSWER - all green spaces municipal
and residential
what is a weed? - CORRECT ANSWER - plants that grow in an area that you
don't want them to be
not all weeds are invasive - CORRECT ANSWER - invasive plants are exotic
(nonnative) species that reproduce in a landscape (natural or anthropogenic)
weeds, either exotic or native, are plants in an unwanted location
what happens if a landscape is untended (maintenance ignored)? - CORRECT
ANSWER - it quickly, within a month or so, will take on a wild, weed-strewn
landscape
landscape maintenance is expensive - CORRECT ANSWER - but overall tree
benefits exceed costs
seasonal sun angles - CORRECT ANSWER - higher in summer
lower in winter
why the seasonal angles to the sun? - CORRECT ANSWER - northern
hemisphere is tilted towards sun in summer and away from sun in winter
orientation of trees for shading in summer - CORRECT ANSWER - on east
and west (W most effective) side of structure
, what is the disadvantage of having a large shade tree very close to a house for
noontime shade? - CORRECT ANSWER - a danger and liability issue
deciduous or evergreen tree for summer shading? - CORRECT ANSWER -
use deciduous tree in summer for shading
in winter= warming advantage for sunlight on house
why are shading heat-storing surfaces a good idea - CORRECT ANSWER -
another important cooing technique is to shade pavement and other heat storing
materials like the patio and driveway. also, minimizing paved surfaces helps
keep the living area cool
in addition to transpiration - CORRECT ANSWER - shade increases solar
absorption
pavement acts as a - CORRECT ANSWER - heat sponge/storage
summer ground warming more - CORRECT ANSWER - direct/intense than
winter
shade grass temp lower by 23 degrees F - CORRECT ANSWER - shade
asphalt temp lower by 32 degreed F
leaf area index = "leaf density" = leaf area/unit ground area - CORRECT
ANSWER - crown width = canopy spread (=form; narrow vs wide)
leaf area index and canopy width - CORRECT ANSWER - vary by tree age
and species
shade affect on surface temp - CORRECT ANSWER - major
