C 39 ROOFING TRADE TEST 1 AND TEST 2 (COMPLETE TESTS) |
QUESTIONS AND CORRECT ANSWERS | ALREADY GRADED A+
| VERIFIED ANSWERS | LATEST VERSIONS
C-39 ROOFING TRADE TEST 1
The plan area of a building is 2,600 sq ft of roofing with a design factor of
1.10. The downspout for the gutter will drain 200 sq ft of roof area per 1 sq
in of downspout area. What should be the area for the downspout? ---------
CORRECT ANSWER-----------------14.3 sq in
You are installing a galvanized steel roof and the plans call for a built-in
gutter. Which metal should you use for the gutter? ---------CORRECT
ANSWER-----------------Stainless steel
When designing a rectangular gutter, the minimum ratio of depth to width
should be: ---------CORRECT ANSWER-----------------3 to 4
To protect the edge of the building and metal roof from rain and wind, you
should install a: ---------CORRECT ANSWER-----------------Perimeter
flashing
What should be the minimum gage of galvanized steel valley flashing? ------
---CORRECT ANSWER-----------------24 gage
,How many fasteners per cleat are required when using expansion cleats for
standing seam metal roofs with continuous pans over 30' in length? ---------
CORRECT ANSWER-----------------2
Rigid insulation is to be applied over a wood roof deck. A metal or wood
grid system must be installed if the rigid insulation is: ---------CORRECT
ANSWER-----------------1 1/2" thick or greater
At what slope does a roof become a high-pitched roof? ---------CORRECT
ANSWER-----------------Over 6:12
A roof is considered to be low-pitched when its slope is: ---------CORRECT
ANSWER-----------------3:12 or less
A roof with a slope of 8:12 is considered what pitch? ---------CORRECT
ANSWER-----------------1/3 pitch
Your crew is on the roof welding with materials containing beryllium and
there is a strong wind. According to Cal/OSHA, what must you do? ---------
CORRECT ANSWER-----------------Require crew to wear supplied-air
respirators
What thickness of zinc coating is placed on steel sheets to create
galvanized sheets? ---------CORRECT ANSWER-----------------1.25 oz/sq ft
, What type of flux is used to solder copper? ---------CORRECT ANSWER----
-------------Cut acid
A span rating of _______ means that a plywood panel may be used for roof
decking over supports spaced 32 inches o.c. or for sub flooring over
supports spaced 16 inches o.c. ---------CORRECT ANSWER-----------------
32/16
On plywood decks not covered with insulation, a base ply should be
_______ to serve as as the base ply of the roof membrane. ---------
CORRECT ANSWER-----------------Attached with annular-threaded nails
The choice of membrane type for a roof is frequently determined by: ---------
CORRECT ANSWER-----------------Geographical location and Climate
Technical information useful in the selection of roof membranes is provided
by the: ---------CORRECT ANSWER-----------------National Bureau of
Standards
On low-sloped roofs, felt should be laid _______ the flow of water,
beginning at _______ points in the deck. ---------CORRECT ANSWER-------
----------Perpendicular ... low
On slopes over 2 inches per foot, felt should be laid: ---------CORRECT
ANSWER-----------------Parallel to the slopes
QUESTIONS AND CORRECT ANSWERS | ALREADY GRADED A+
| VERIFIED ANSWERS | LATEST VERSIONS
C-39 ROOFING TRADE TEST 1
The plan area of a building is 2,600 sq ft of roofing with a design factor of
1.10. The downspout for the gutter will drain 200 sq ft of roof area per 1 sq
in of downspout area. What should be the area for the downspout? ---------
CORRECT ANSWER-----------------14.3 sq in
You are installing a galvanized steel roof and the plans call for a built-in
gutter. Which metal should you use for the gutter? ---------CORRECT
ANSWER-----------------Stainless steel
When designing a rectangular gutter, the minimum ratio of depth to width
should be: ---------CORRECT ANSWER-----------------3 to 4
To protect the edge of the building and metal roof from rain and wind, you
should install a: ---------CORRECT ANSWER-----------------Perimeter
flashing
What should be the minimum gage of galvanized steel valley flashing? ------
---CORRECT ANSWER-----------------24 gage
,How many fasteners per cleat are required when using expansion cleats for
standing seam metal roofs with continuous pans over 30' in length? ---------
CORRECT ANSWER-----------------2
Rigid insulation is to be applied over a wood roof deck. A metal or wood
grid system must be installed if the rigid insulation is: ---------CORRECT
ANSWER-----------------1 1/2" thick or greater
At what slope does a roof become a high-pitched roof? ---------CORRECT
ANSWER-----------------Over 6:12
A roof is considered to be low-pitched when its slope is: ---------CORRECT
ANSWER-----------------3:12 or less
A roof with a slope of 8:12 is considered what pitch? ---------CORRECT
ANSWER-----------------1/3 pitch
Your crew is on the roof welding with materials containing beryllium and
there is a strong wind. According to Cal/OSHA, what must you do? ---------
CORRECT ANSWER-----------------Require crew to wear supplied-air
respirators
What thickness of zinc coating is placed on steel sheets to create
galvanized sheets? ---------CORRECT ANSWER-----------------1.25 oz/sq ft
, What type of flux is used to solder copper? ---------CORRECT ANSWER----
-------------Cut acid
A span rating of _______ means that a plywood panel may be used for roof
decking over supports spaced 32 inches o.c. or for sub flooring over
supports spaced 16 inches o.c. ---------CORRECT ANSWER-----------------
32/16
On plywood decks not covered with insulation, a base ply should be
_______ to serve as as the base ply of the roof membrane. ---------
CORRECT ANSWER-----------------Attached with annular-threaded nails
The choice of membrane type for a roof is frequently determined by: ---------
CORRECT ANSWER-----------------Geographical location and Climate
Technical information useful in the selection of roof membranes is provided
by the: ---------CORRECT ANSWER-----------------National Bureau of
Standards
On low-sloped roofs, felt should be laid _______ the flow of water,
beginning at _______ points in the deck. ---------CORRECT ANSWER-------
----------Perpendicular ... low
On slopes over 2 inches per foot, felt should be laid: ---------CORRECT
ANSWER-----------------Parallel to the slopes
