Quizzes after the second big exam Flashcards
As long as handrails stay parallel to the tread nosing, their height above the nosing can be between what two dimensions?
Select one:
a. 30 5/8” - 42”
b. 34” - 38”
c. 30” - 36”
d. 36” - 42”
b. 34” - 38”
Ramps serving egress doors must have a slope of no more than 1 unit in ____ inches
Select one:
a. 6
b. 12
c. 10
d. 4
b. 12
The maximum allowable slope on the surface of a tread is
Select one:
a. 4%
b. 90%
c. 2%
d. 8%
c. 2%
There must be at least ____ between the handrail and the wall.
Select one:
a. no restriction
b. 3”
c. 1 1/2”
d. 4 1/2”
c. 1 1/2”
What is the largest vertical rise a flight of stairs can have between floors without having an intermediate landing?
Select one:
a. 120”
b. Unlimited
c. 144”
d. 151”
d. 151”
A landing at the top of bottom of stairs must be what minimum dimensions?
Select one:
a. 30” x 36”
b. 36” x 36”
c. 5’ x 5’
d. 30” x 30”
b. 36” x 36”
Treads of ___________ depth or greater do not require a nosing.
Select one:
a. 11”
b. 10”
c. 10 1/4”
d. 9 1/4”
a. 11”
Spiral stairs may have a unit rise of ______
Select one:
a. 6 3/4”
b. No more than 7 3/4”
c. 9 1/2”
d. 12”
c. 9 1/2”
A rectangular 2 x 4 is ok to use as a stair handrail
Select one:
a. True
b. False
b. False
Handrails can project up to _____ on either side of the stairway
Select one:
a. 3”
b. 2 1/4”
c. 4 1/2”
d. 5 1/4”
c. 4 1/2”
The minimum allowable headroom for a straight stair is _____
Select one:
a. 7’
b. 7’ - 8”
c. 6’ - 8”
d. 6’ - 6”
c. 6’ - 8”
What is the greatest amount of variation of riser height allowed in a flight of stairs?
Select one:
a. 1/8”
b. 1/2”
c. 3/8”
d. No restriction
e. No variation
c. 3/8”
The main support for stairs run diagonally and are called
Select one:
a. None of these answers
b. Carriages
c. Railings
d. Balusters
e. Newels
b. Carriages
A decorative handrail system including spindles and posts is called
Select one:
a. Inlay
b. Post and beam construction
c. A balustrade
d. Wainscot
c. A balustrade
The horizontal distance from the face of the top riser to the face of the bottom riser is called
Select one:
a. The headroom
b. The unit run
c. The total rise
d. The total run
e. The riser
d. The total run
The part of the tread that overhangs the riser is called
Select one:
a. The carriage
b. The upper construction
c. The nosing
d. A newel
c. The nosing
The horizontal measurement from the face of one riser to the face of the next riser is called
Select one:
a. The unit run
b. The total run
c. The unit rise
d. The stairwell
a. The unit run
If you were building a set of stairs, the unit rise was 7 3/4” and the unit run was 10 1/4” and the total run needed to be shortened. How might you accomplish this without violating the building code?
Select one:
a. Shorten the unit run
b. Increase the unit rise
c. Increase the unit run
d. Alter the upper construction
a. Shorten the unit run
When constructing stairs, the vertical distance from the top of one finished floor to the top of the next floor above is called
Select one:
a. The total rise
b. The unit run
c. The upper construction
d. The unit rise
a. The total rise
Another name for a stairway with a landing is a
Select one:
a. Spiral stairway
b. Turned stairway
c. Winder stairway
d. Platform stairway
d. Platform stairway
If you were building a set of stairs and the total rise was 51”, what would a good unit rise be (keep in mind, all unit rises should be identical).
Select one:
a. 8 ½”
b. 8 ¼”
c. 7 5/16”
d. 7 1/16 “
c. 7 5/16”
A difference between post-to-post balustrades and over-the-post balustrades is
Select one:
a. Over-the-post systems do not use newels
b. Post-to-post systems cause the unit rise to be larger
c. Over-the-post systems have a continuous railing
d. Post-to-post systems have a continuous railing
c. Over-the-post systems have a continuous railing
If you were building a set of stairs and the total rise was 103”, how many treads (T) and risers (R) would you need? Use the method we used in class. Also make sure that the unit rise is more than 7”.
Select one:
a. 16T, 16R
b. 13T, 14R
c. 14T, 15R
d. 15T, 14R
b. 13T, 14R
Which statement is accurate regarding the tread and the unit run
Select one:
a. The unit run is always larger than the tread depth
b. The tread depth including the nosing is the same as the unit run
c. The tread depth, unit run and unit rise are always identical
d. The tread depth not including the nosing is the same as the unit run
d. The tread depth not including the nosing is the same as the unit run
If you were designing a set of stairs that had a total rise of 113”, what would the minimum total run you could design the stairs to fit? Take into account both the maximum allowable rise and the minimum allowable unit run.
Select one:
a. 130”
b. 126”
c. None of these answers
d. 140”
e. 150”
d. 140”
If you were building a set of stairs and needed a little more space at the bottom (due to the location of a partition), other than moving the partition, what might you be able to do?
Select one:
a. Alter the upper construction
b. Use one less tread
c. Increase the unit run
d. Make the stairs wider
e. None of these answers
b. Use one less tread
What are the three methods of heat transfer? (mark 3 answers)
Select one or more:
a. air barriers
b. convection
c. radiation
d. insulation
e. conduction
b. convection
c. radiation
e. conduction
The type of insulation used on the exterior of the tiny houses is called
Select one:
a. XPS
b. rigid rockwool
c. closed cell spray foam
d. EPS
a. XPS
the R in R-value stands for _________
Select one:
a. realistic heat loss
b. radiation of heat
c. resistance to heat flow
d. regulation of air flow
c. resistance to heat flow
A very common type of insulation that is often pink in color and can come in rolls that are placed between framing members is most likely ______
Select one:
a. EPS
b. fiberglass
c. XPS
d. bulk cellulose
b. fiberglass
Rate the following in terms of best insulation value (first) to worst (last)
Select one:
a. fiberglass insulation, wood, concrete, high density spray foam
b. high-density spray foam, fiberglass insulation, wood (framing), concrete
c. concrete, wood (framing), drywall, rigid foam insulation (XPS)
d. steel, high density spray foam, concrete, fiberglass insulation
b. high-density spray foam, fiberglass insulation, wood (framing), concrete
The definition of Thermal Envelope is
Select one:
a. an air barrier on the walls of the house
b. the perimeter of a house
c. the boundary between conditioned and unconditioned space
d. all below ground fenestration
c. the boundary between conditioned and unconditioned space
It is thought that insulation works how?
Select one:
a. by being extremely dense
b. by allowing air to circulate through it
c. by trapping air in small pockets
d. by reflecting heat from its special surface
c. by trapping air in small pockets
A type of unit that allows for efficient whole-house ventilation, without causing a major heat loss, is called a(n)
Select one:
a. a smart retarder
b. a circulation fan
c. heat recovery vent
d. exhaust fan
c. heat recovery vent
A steel stud in a wall cavity transfers heat very easily, this is most closely related to what phenomenon
Select one:
a. air transfer phenomenon
b. thermal break
c. thermal bridging
d. BTUs per linear foot
c. thermal bridging
The international energy conservation code, a part of the international residential code, mandates that houses in different climate zones ____________
Select one:
a. follow energy codes specific to the climate the structure is located in
b. as long as you show some effort toward energy efficiency, it isn’t a concern
c. in order to be fair, all houses follow the same energy requirements
d. they don’t say
a. follow energy codes specific to the climate the structure is located in
Air leaks in a building can occur ______ (check all that are correct)
Select one or more:
a. plumbing penetrations
b. ceilings
c. windows
d. electric outlets
a. plumbing penetrations
b. ceilings
c. windows
d. electric outlets
Flexible insulation that comes pre-cut in specific lengths is called
Select one:
a. batt insulation
b. faced insulation
c. foam insulation
d. rigid insulation
a. batt insulation
We use BTUs to measure what?
Select one:
a. heat
b. insulation value
c. insulation thickness (a measurement)
d. efficiency of insulation
a. heat
The type of insulation used on the interior wall cavities of the tiny house project is
Select one:
a. closed cell spray foam
b. cellulose
c. fiberglass
d. XPS
e. open cell spray foam
a. closed cell spray foam
