Quizzes after the second big exam

Question 1

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”

Answer 1

b. 34” - 38”

Question 2

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

Answer 2

b. 12

Question 3

The maximum allowable slope on the surface of a tread is

Select one:

a. 4%
b. 90%
c. 2%
d. 8%

Answer 3

c. 2%

Question 4

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”

Answer 4

c. 1 1/2”

Question 5

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”

Answer 5

d. 151”

Question 6

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”

Answer 6

b. 36” x 36”

Question 7

Treads of ___________ depth or greater do not require a nosing.

Select one:

a. 11”
b. 10”
c. 10 1/4”
d. 9 1/4”

Answer 7

a. 11”

Question 8

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”

Answer 8

c. 9 1/2”

Question 9

A rectangular 2 x 4 is ok to use as a stair handrail

Select one:

a. True
b. False

Answer 9

b. False

Question 10

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”

Answer 10

c. 4 1/2”

Question 11

The minimum allowable headroom for a straight stair is _____

Select one:

a. 7’
b. 7’ - 8”
c. 6’ - 8”
d. 6’ - 6”

Answer 11

c. 6’ - 8”

Question 12

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

Answer 12

c. 3/8”

Question 13

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

Answer 13

b. Carriages

Question 14

A decorative handrail system including spindles and posts is called

Select one:

a. Inlay
b. Post and beam construction
c. A balustrade
d. Wainscot

Answer 14

c. A balustrade

Question 15

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

Answer 15

d. The total run

Question 16

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

Answer 16

c. The nosing

Question 17

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

Answer 17

a. The unit run

Question 18

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

Answer 18

a. Shorten the unit run

Question 19

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

Answer 19

a. The total rise

Question 20

Another name for a stairway with a landing is a

Select one:

a. Spiral stairway
b. Turned stairway
c. Winder stairway
d. Platform stairway

Answer 20

d. Platform stairway

Question 21

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 “

Answer 21

c. 7 5/16”

Question 22

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

Answer 22

c. Over-the-post systems have a continuous railing

Question 23

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

Answer 23

b. 13T, 14R

Question 24

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

Answer 24

d. The tread depth not including the nosing is the same as the unit run

Question 25

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"

Answer 25

d. 140"

Question 26

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

Answer 26

b. Use one less tread

Question 27

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

Answer 27

b. convection c. radiation e. conduction

Question 28

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

Answer 28

a. XPS

Question 29

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

Answer 29

c. resistance to heat flow

Question 30

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

Answer 30

b. fiberglass

Question 31

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

Answer 31

b. high-density spray foam, fiberglass insulation, wood (framing), concrete

Question 32

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

Answer 32

c. the boundary between conditioned and unconditioned space

Question 33

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

Answer 33

c. by trapping air in small pockets

Question 34

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

Answer 34

c. heat recovery vent

Question 35

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

Answer 35

c. thermal bridging

Question 36

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

Answer 36

a. follow energy codes specific to the climate the structure is located in

Question 37

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

Answer 37

a. plumbing penetrations b. ceilings c. windows d. electric outlets

Question 38

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

Answer 38

a. batt insulation

Question 39

We use BTUs to measure what? Select one: a. heat b. insulation value c. insulation thickness (a measurement) d. efficiency of insulation

Answer 39

a. heat

Question 40

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

Answer 40

a. closed cell spray foam