Tuesday, April 7, 2015

Structure Test#2 Floors

·         Question 1
1 out of 1 points
Correct
Subflooring should not deflect more than ______ of its span
Selected Answer:
Correct 
1/360th
Answers:
1/45th
1/90th
1/180th
Correct 
1/360th
1/720th
·         Question 2
1 out of 1 points
Correct
Split joists can be caused by
Selected Answer:
Correct 
all of the above
Answers:
poor end bearing configuration
notches and holes
flaws such as knots, localized rot, etc.
Correct 
all of the above
a and c only
·         Question 3
1 out of 1 points
Correct
The least ideal place to have a hole in a joist is
Selected Answer:
Correct 
near to top or bottom
Answers:
in the middle
Correct 
near to top or bottom
near the ends
any holes are unacceptable
a and c only
·         Question 4
1 out of 1 points
Correct
Beams are
Selected Answer:
Correct 
large horizontal members that carry floor loads
Answers:
large horizontal members that provide lateral support
large vertical members that support floor joists
Correct 
large horizontal members that carry floor loads
typically not structural but used for partition applications
typically supported by columns only, not foundation walls
·         Question 5
0 out of 1 points
Incorrect
Which of the following condition is poor configuration?
Selected Answer:
Incorrect 
built-up wood beam supported by a concrete block column
Answers:
built-up wood beam supported by a concrete block column
built-up wood beam supported by a steel column
Correct 
steel beam supported by a wood column
steel beam supported by a steel post
steel beam supported by a concrete foundation
·         Question 6
1 out of 1 points
Correct
What is a common reason for heaved columns?
Selected Answer:
Correct 
expansive soils
Answers:
Correct 
expansive soils
excessive backfill
structural uplift
a and b only
all of the above
·         Question 7
1 out of 1 points
Correct
All of the following are common sill problems EXCEPT
Selected Answer:
Correct 
sills notched for ductwork
Answers:
gaps between sills and foundation
rot and insect damage
crushed sills
improperly anchored sills are
Correct 
sills notched for ductwork
·         Question 8
1 out of 1 points
Correct
A good way to determine if a beam is sagging is to
Selected Answer:
Correct 
sight along the underside
Answers:
measure the end points and mid point from the ground
check for twisting floor joists
look for shifting on the attached columns
Correct 
sight along the underside
all of the above
·         Question 9
1 out of 1 points
Correct
What is the maximum allowable floor deflection?
Selected Answer:
Correct 
1/360th of the joist length with a ceiling below
Answers:
1/120th of the joist length with no ceiling below
1/240th of the joist length with a ceiling below
Correct 
1/360th of the joist length with a ceiling below
1/480th of the joist length with no ceiling below
this is not a concern, since joist length and deflection cannot be inspected
·         Question 10
1 out of 1 points
Correct
Steel beams should have end bearing
Selected Answer:
Correct 
resting on welded steel shims
Answers:
of at least 1 inch
of at least 2 inches
of at least 3 inches
with 1/2 inch airspace around all sides
Correct 
resting on welded steel shims
·         Question 11
1 out of 1 points
Correct
All of the following are typical types of subfloor EXCEPT
Selected Answer:
Correct 
medium density fiberboard (MDF)
Answers:
plywood or waferboard
diagonal plank
plank
tongue and groove plank
Correct 
medium density fiberboard (MDF)
·         Question 12
0 out of 1 points
Incorrect
Sills in wood frame construction
Selected Answer:
Incorrect 
may support masonry veneer
Answers:
do not require full bearing on the foundation along its entire length
may support masonry veneer
below grade are not a concern
experience primarily tension loads
Correct 
may be mounted flush with the inside or outside foundation wall face
·         Question 13
1 out of 1 points
Correct
An inspector should check that joist hangers
Selected Answer:
Correct 
have all the nail holes used
Answers:
are made of galvanized steel
Correct 
have all the nail holes used
have the joist resting squarely on top
are attached to the top of the beam it is resting on
have the joist extended at least 2/3 of the way into the hanger
·         Question 14
1 out of 1 points
Correct
A common term for moisture wicking up into the column from the soil or floor is
Selected Answer:
Correct 
rising damp
Answers:
expansive soil
Correct 
rising damp
capillary rise
spalling column
wicked column
·         Question 15
1 out of 1 points
Correct
Under the Standards, the inspector is required to do all of the following EXCEPT
Selected Answer:
Correct 
provide an opinion on adequacy of the structural system
Answers:
inspect structural components including foundation and framing
report the methods used to inspect the under-floor crawl space
probe a representative number of structural components where deterioration is suspected
describe the methods used to inspect the attic
Correct 
provide an opinion on adequacy of the structural system
·         Question 16
0 out of 1 points
Incorrect
What is a mud sill?
Selected Answer:
Incorrect 
sills that are below grade
Answers:
Correct 
large sills on top of older brick and stone foundations
large sills that allow anchoring of ledger boards for decks
sills that are below grade
sills used for solid masonry construction
sills that also act as a header
·         Question 17
1 out of 1 points
Correct
Poorly anchored sills may be the result of
Selected Answer:
Correct 
a and c only
Answers:
inadequate number of anchor bolts
lifted sills from deck installation
anchor bolts are not centered in sills
a and b only
Correct 
a and c only
·         Question 18
0 out of 1 points
Incorrect
To reduce twisting and rotating of joists, all of the following reinforcements can be applied EXCEPT
Selected Answer:
Incorrect 
stiff subflooring
Answers:
Correct 
sistering
strapping
cross bridging
solid blocking
stiff subflooring
·         Question 19
1 out of 1 points
Correct
Which of the following causes the most serious damage to a beam?
Selected Answer:
Correct 
notch at the bottom of the beam
Answers:
notch at the top of the beam
Correct 
notch at the bottom of the beam
hole at the middle third of the beam
hole at the top third of the beam
any damage is unacceptable and the beam must be replaced
·         Question 20
1 out of 1 points
Correct
All of the following are typical ways of attaching a column to a steel beam EXCEPT
Selected Answer:
Correct 
shimming
Answers:
Correct 
shimming
bolting
bendable tabs
welding
special straps
·         Question 21
1 out of 1 points
Correct
Plywood and waferboard subflooring should be installed with the
Selected Answer:
Correct 
long dimension perpendicular to joists, and joints on top of joists
Answers:
long dimension perpendicular to joists, and joints between joists
long dimension parallel to joists, and joints between joists
Correct 
long dimension perpendicular to joists, and joints on top of joists
long dimension parallel to joists, and joints on top of joists
none of the above
·         Question 22
1 out of 1 points
Correct
Beams primarily experience
Selected Answer:
Correct 
vertical loads
Answers:
Correct 
vertical loads
lateral loads
tension uplift
horizontal loads
compression loads
·         Question 23
1 out of 1 points
Correct
A rim joist performs all of the following functions EXCEPT
Selected Answer:
Correct 
supporting the attachment of a beam
Answers:
securing the joist ends
supporting the walls and floor systems above
providing a nailing surface for exterior sheathing and siding
Correct 
supporting the attachment of a beam
both c and d
·         Question 24
1 out of 1 points
Correct
Columns may lean as a result of
Selected Answer:
Correct 
all of the above
Answers:
the entire building racking
impact
beams not laterally supported
columns not well secured to the footing below
Correct 
all of the above
·         Question 25
1 out of 1 points
Correct
What is a common size of concrete block columns?
Selected Answer:
Correct 
12 inches x 12 inches
Answers:
4 inches x 4 inches
6 inches x 6 inches
8 inches x 8 inches
10 inches x 10 inches
Correct 
12 inches x 12 inches


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