C-39 Roofing Trade Practice Test 1 Questions & Answers Latest
Composition flashing One- inch solid cap-head nails or
(base flashing) should
Nails driven theough tin disks
be fastened with:
Pitch pockets or pitch Are not recommended because they require extensive
boxes: maintenance
Reinforced concrete can Some moisture will remain in concrete decks even after
be used as a the surface is dry
Structural deck. Which
of the following is a
correct statement?
Roofing insulation and A vapor
membranes must be
protected from latent retarder
moisture in concrete
decks. In northern or A
climates, this is usually
accomplished with: venting
sheet
Steel decks should be at 22g
least _____________ or
Heavier.
Insulation applied to In two separate layers where insulation thickness permits
steel roof decks
before the roof
membrane is
installed should be
applied:
The top flanges of a Perpendicular to the roof slope
, steel roof deck should
be installed:
The maximum 1/4" per 100 feet
deflection allowed for
a steel deck is:
If the steel decks must 1/2 inches ... 12 inches
be spot-welded to
structural steel,
puddle welds or
Larger in diameter are
recommended. They
should be made on
washers and spaced at
least on center.
If thermosetting 18 to 22 pounds per cubic foot
insulation is used over
structural decks, the
density should be:
The correct density for Compacting
thermosetting
insulation is
accomplished by:
Thermosetting 6 inches
insulation is compacted
in two layers if the
total thickness is
greater than:
Thermosetting Install base-ply vapor barrier and
insulative fills must be Install wood nailers at all
protected from latent perimeters and Install
Composition flashing One- inch solid cap-head nails or
(base flashing) should
Nails driven theough tin disks
be fastened with:
Pitch pockets or pitch Are not recommended because they require extensive
boxes: maintenance
Reinforced concrete can Some moisture will remain in concrete decks even after
be used as a the surface is dry
Structural deck. Which
of the following is a
correct statement?
Roofing insulation and A vapor
membranes must be
protected from latent retarder
moisture in concrete
decks. In northern or A
climates, this is usually
accomplished with: venting
sheet
Steel decks should be at 22g
least _____________ or
Heavier.
Insulation applied to In two separate layers where insulation thickness permits
steel roof decks
before the roof
membrane is
installed should be
applied:
The top flanges of a Perpendicular to the roof slope
, steel roof deck should
be installed:
The maximum 1/4" per 100 feet
deflection allowed for
a steel deck is:
If the steel decks must 1/2 inches ... 12 inches
be spot-welded to
structural steel,
puddle welds or
Larger in diameter are
recommended. They
should be made on
washers and spaced at
least on center.
If thermosetting 18 to 22 pounds per cubic foot
insulation is used over
structural decks, the
density should be:
The correct density for Compacting
thermosetting
insulation is
accomplished by:
Thermosetting 6 inches
insulation is compacted
in two layers if the
total thickness is
greater than:
Thermosetting Install base-ply vapor barrier and
insulative fills must be Install wood nailers at all
protected from latent perimeters and Install
