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Basic Stair Layout Exam

Total questions: 45

Worksheet time: 23mins

Name
Class
Date
1.

The most important concern in the design of any stairway is ____.

a)

safety

b)

choice of materials

c)

appearance

d)

material and labor cost

2.

The basic parts of a stairway are risers, treads, and ____.

a)

balustrades

b)

center-cut stringers

c)

stair framing

d)

handrails

3.

Which of the stairways is classified as a narrow-U stairway?

a)

A

b)

B

c)

C

d)

D

4.

The International Residential Code specifies a minimum stair tread depth of ____.

a)

9 inches

b)

10 inches

c)

11 inches

d)

12 inches

5.

Which type of stringer is typically used for stairways with open riser designs?

a)

housed

b)

cutout

c)

dadoed

d)

built-up

6.

All of the following are parts of a balustrade except ____.

a)

a baluster

b)

a newel post

c)

nosing

d)

a handrail

7.

On a 36"-wide wood stairway, a center cutout stringer is required if ____.

a)

the tread material is thinner than 1 1/2"

b)

the riser heights exceed 7"

c)

the tread material is thinner than 2"

d)

the riser heights are less than 7"

8.

The minimum and maximum tread depths of a stairway should not differ by more than ____.

a)

3/8"

b)

1/2"

c)

5/8"

d)

3/4"

9.

For user safety, the IRC specifies that the greatest riser height should not exceed the smallest riser height by more than ____.

a)

1 inch

b)

5/8 inch

c)

3/8 inch

d)

1/4 inch

10.

If stairway drawings are incomplete or in conflict with the building code, the carpenter should ____.

a)

follow the building code

b)

work out a solution

c)

check the specifications

d)

notify a supervisor

11.

The horizontal distance from the face of one riser to the face of the next riser is the _____

a)

unit measure

b)

unit run

c)

unit rise

d)

unit depth

12.

When building a stair with a total rise of 7'-7", the number of risers required and their unit rise is _____

a)

11 risers, each 7-1/2" high

b)

12 risers, each 7" high

c)

13 risers, each 7" high

d)

14 risers, each, 7-1/4" high

13.

The maximum rise for a set of stairs without a landing is typically _____

a)

9 feet

b)

10 feet

c)

12 feet

d)

15 feet

14.

Tread width (unit run) is measured from the _____

a)

face of one riser to the nosing of the next riser

b)

face of one riser to the face of the next riser

c)

top of one tread to the bottom of the next riser

d)

subfloor to the top tread

15.

Rule 2 for calculating rise-to-run ratio is stated as _____

a)

Tread width + riser height = 17" to 18"

b)

Tread width + (2 x riser height) = 24" to 25"

c)

Tread width + (3 x riser height) = 34" to 35"

d)

Tread width x riser height = 70" to 75"

16.

For more efficient stair layout, the rise and run measurements on a framing square can be marked by using _____

a)

layout stops

b)

stair gauges

c)

framing pins

d)

limit markers

17.

When laying out a stringer using a framing square, the blade of the framing square represents the _____

a)

unit run

b)

stringer length

c)

unit rise

d)

stringer depth

18.

To add strength to the stair assembly, a pressure-treated 2 x 4 may be fastened to the floor to serve as a _____.

a)

ledger

b)

brace

c)

strongback

d)

purlin

19.

When a ledger is installed to strengthen a stair assembly, treated lumber must be used if the ledger is _____.

a)

less than 2" in thickness

b)

fastened with lag screws

c)

in an area of high humidity

d)

fastened to a concrete floor

20.

What component is secured to one side of the stringer below the cut notches to add strength and rigidity?

a)

Skirtboard

b)

Guard

c)

Strongback

d)

Gooseneck

21.

Because it is difficult to build, which type of stairway is often fabricated off-site?

a)

Straight-run stairway

b)

Platform stairway

c)

Double-L stairway

d)

Winding stairway

22.

Which type of stairway uses wedge-shaped treads when changing direction?

a)

Narrow-U

b)

Platform

c)

Long-L

d)

Winding

23.

A series of steps that are straight and continuous without breaks is called a ____.

a)

rise

b)

flight

c)

run

d)

covey

24.

Geometrical stairways can be potentially dangerous if not properly constructed.

a)

True

b)

False

25.

All of the following are types of geometrical stairs except ____.

a)

circular

b)

elliptical

c)

wide-U

d)

spiral

26.

Which of the following statements about a straight-run stairway is not true?

a)

It is continuous from one level to another

b)

It is the easiest stairway to build

c)

It has a landing

d)

It requires a long stairwell

27.

Service stairs are the primary means of access in a two-story commercial building.

a)

True

b)

False

28.

Per the International Building Code®, minimum stairway width for a building occupied by 26 people is ____.

a)

32"

b)

36"

c)

40"

d)

44"

29.

Per the International Building Code®, minimum handrail height from top of rail to nosing is ____.

a)

34"

b)

36"

c)

40"

d)

44"

30.

Per the International Building Code®, maximum handrail height from top of rail to nosing is ____.

a)

34"

b)

38"

c)

46"

d)

50"

31.

What international code specifies size requirements for residential stairways and handrails?

a)

International Building Code®

b)

International Residential Code®

c)

ANSI

d)

International Stairway Association

32.

A wood stairway that is wider than 30 inches requires one or more ____.

a)

strongbacks

b)

housed stringers

c)

support purlins

d)

center cutout stringers

33.

A closed stairway has ____.

a)

a. a wall on one side

b)

b. doors at top and bottom

c)

c. walls on both sides

d)

d. a landing with a railing

34.

The main support for a handrail at the bottom of a stairway is called a(n) ____.

a)

baluster

b)

main newel post

c)

ending newel post

d)

starting newel post

35.

The maximum stair riser height specified in the International Building Code is _____

a)

6½"

b)

7"

c)

7¾"

d)

8"

36.

Refer to Review Question Figure 1 to answer. The stair part marked A is the _____

a)

nosing

b)

platform

c)

skirtboard

d)

nosing return

37.

The stair part marked B is the _____

a)

baluster

b)

newel post

c)

handrail

d)

handrail support

38.

The stair part marked C is the _____

a)

nosing

b)

skirtboard

c)

spindle

d)

railing

39.

Refer to Review Question Figure 1 to answer. The stair part marked D is the _____

a)

nosing

b)

skirtboard

c)

spindle

d)

newel post

40.

The vertical difference between a stair tread nosing and any structure or ceiling above the stairway is known as the _____

a)

newel post

b)

skirtboard

c)

crown

d)

headroom

41.

The handrail known as a wall rail is used on a(n) _____

a)

closed stairway

b)

winding stairway

c)

open stairway

d)

balustrade

42.

Which of the following is used to establish the rise and run of a staircase?

a)

Tread width + (2 x riser height) = 17" to 18"

b)

Tread width x riser height = 24" to 25"

c)

Tread width + (2 x riser height) = 24" to 25"

d)

Tread width + (2 x riser height) = 70" to 75"

43.

For maximum safety, the preferred slope of a stairway is between _____

a)

15 and 20 degrees

b)

30 and 35 degrees

c)

45 and 50 degrees

d)

55 and 60 degrees

44.

A rule of thumb for establishing the proper angle of a staircase states that the sum of one riser plus one tread should equal between _____

a)

14 and 16 inches

b)

16 and 17 inches

c)

17 and 18 inches

d)

18 and 19 inches

45.

The item placed between the building wall and stairway to prevent the wall from cracking created by settling is the _____

a)

crown jabber

b)

expansion joint

c)

skirtboard

d)

stringer