CDC D3E351 Vol 5- Questions &
Answers
When a roof continues to leak despite maintenance and repair efforts, it is assigned to what roof
category? Correct Ans-Red
What do you install between ceiling joist below the attic or roof space to further retard heat flow
into the rooms below and improve comfort conditions? Correct Ans-Insulation
Minor gutter and downspout repairs include Correct Ans-refastening hangers and resealing
joints
In constructing fences, what type of fastener do you use for ultimate holding power and ease of
construction? Correct Ans-Decking screws
When should you make permanent roof repairs? Correct Ans-As soon as weather conditions
permit
On a rolled roof, what two common methods do we use to flash around pipes or other
penetrations? Correct Ans-Single coverage and double coverage
If the building plans call for two gypsum board layers, how do you install them? Correct Ans-
The base layer vertically and the face layer horizontally
,If you are using the paper flange patch repair method, how many inches larger do you cut the
gypsum board patch if the hole is 12 inches square? Correct Ans-4
The recommended way to cut gypsum board with a saw is to cut with the finish side Correct
Ans-up to keep form damaging the finished surface
A permanent repairs to a roof should last at least Correct Ans-up to its remaining service life
How much space do you leave between the joints of gypsum board? Correct Ans-1/8 inch
One of the easiest and best ways to vent an attic is to install Correct Ans-continuous ridge and
soffit vents
How do we refer to the second coat of joint compound and how much must it be feathered out
beyond the edge of the first coat? Correct Ans-Fill coat at least 2 inches
What is the minimum side lap in installing corrugated roofing? Correct Ans-1 1/2
corrugations
If an obstruction falls in line with the fence you are constructing, what are your options?
Correct Ans-Build around it, or remove it
Which roof system can be welded together with heat or solvent? Correct Ans-Thermoplastics
, We usually install copper roofing with which type seams? Correct Ans-Batten, standing, and
grooved
When applying transparent finishes, how long should you allow for drying between coats?
Correct Ans-24 hours
What component would you install that would provide a continuous watertight connection
between the roofing membrane, other structural parts, and between roof sections? Correct
Ans-Flashing
How far apart are gutter hangers installed? Correct Ans-No more than 30 inches on center
After you replace a section of gutter Correct Ans-pour water in the gutter to check for
drainage
How many inches wider and longer than the surface to be covered do you cut laminate?
Correct Ans-1/4 to 1/2
The normal practice is to dimension gate posts one size larger that line posts, because the
Correct Ans-bear a greater load
How much deeper than line posts do we set gate, corner, and terminal posts? Correct Ans-12
inches
Answers
When a roof continues to leak despite maintenance and repair efforts, it is assigned to what roof
category? Correct Ans-Red
What do you install between ceiling joist below the attic or roof space to further retard heat flow
into the rooms below and improve comfort conditions? Correct Ans-Insulation
Minor gutter and downspout repairs include Correct Ans-refastening hangers and resealing
joints
In constructing fences, what type of fastener do you use for ultimate holding power and ease of
construction? Correct Ans-Decking screws
When should you make permanent roof repairs? Correct Ans-As soon as weather conditions
permit
On a rolled roof, what two common methods do we use to flash around pipes or other
penetrations? Correct Ans-Single coverage and double coverage
If the building plans call for two gypsum board layers, how do you install them? Correct Ans-
The base layer vertically and the face layer horizontally
,If you are using the paper flange patch repair method, how many inches larger do you cut the
gypsum board patch if the hole is 12 inches square? Correct Ans-4
The recommended way to cut gypsum board with a saw is to cut with the finish side Correct
Ans-up to keep form damaging the finished surface
A permanent repairs to a roof should last at least Correct Ans-up to its remaining service life
How much space do you leave between the joints of gypsum board? Correct Ans-1/8 inch
One of the easiest and best ways to vent an attic is to install Correct Ans-continuous ridge and
soffit vents
How do we refer to the second coat of joint compound and how much must it be feathered out
beyond the edge of the first coat? Correct Ans-Fill coat at least 2 inches
What is the minimum side lap in installing corrugated roofing? Correct Ans-1 1/2
corrugations
If an obstruction falls in line with the fence you are constructing, what are your options?
Correct Ans-Build around it, or remove it
Which roof system can be welded together with heat or solvent? Correct Ans-Thermoplastics
, We usually install copper roofing with which type seams? Correct Ans-Batten, standing, and
grooved
When applying transparent finishes, how long should you allow for drying between coats?
Correct Ans-24 hours
What component would you install that would provide a continuous watertight connection
between the roofing membrane, other structural parts, and between roof sections? Correct
Ans-Flashing
How far apart are gutter hangers installed? Correct Ans-No more than 30 inches on center
After you replace a section of gutter Correct Ans-pour water in the gutter to check for
drainage
How many inches wider and longer than the surface to be covered do you cut laminate?
Correct Ans-1/4 to 1/2
The normal practice is to dimension gate posts one size larger that line posts, because the
Correct Ans-bear a greater load
How much deeper than line posts do we set gate, corner, and terminal posts? Correct Ans-12
inches
