Stair Questions

Question 1

IDEAL Conditions for stairs is? (imperial)

Answer 1

7 Rise / 10 Run

Question 2

PUBLIC Standards for stairs is? (imperial)

Answer 2

7 1/16 Rise / 11 Run

Question 3

PRIVATE Standards for stairs is? (imperial)

Answer 3

7 7/8 Rise / 10 1/16 Run

Question 4

How many Risers would be needed in a total rise of

8’-10 3/4” Using PRIVATE Standards?

Answer 4

14

Question 5

What would the Riser height be in a set of stairs with a total height of 12’-3 1/4” Using Public Conditions?

Answer 5

7”

Question 6

What would the number of Treads be in a set of stairs with Private Standards (7 7/8 x 10 1/16) for a total rise of 9’-10 1/8?

A)15
B)22
C)10
D)14

Answer 6

D) 14

Question 7

Using Public Standards (180 Rise/ 280 Run) What is the riser height of a set of stairs with a total rise of 2835?

A: 170mm
B: 177mm
C: 332mm
D: 190mm

Answer 7

B) 177mm

Question 8

Total Rise:8’-9”
Headroom:6’-5”
Joist and Finish: 8”

What is the total head room?
A) 7'-1"
B) 6'-5"
C) 96"
D) 5'-11 1/8"

Answer 8

A) 7’-1”

Question 9

With a number of risers in a total headroom being 11.5. What would the finish well opening be for a set of stairs with a tread rise of 7 5/8”, and a tread run of 10 1/4”?

A) 156” (13’-0”)
B) 108.74” (9’-0 3/4)
C) 117.875” (9’-9 7/8)
D) 208.43” (17’-4 7/16)

Answer 9

C) 117.875” (9’-9 7/8)

Question 10

Using Private Standards
Total Rise: 9'-10 1/8"
Total Run: 16'-11"
Total Headroom:7'-2 1/4"
What is the tread Run?

A) 13 7/8”
B) 11 1/2”
C) 14 1/2”
D) 14 3/4”

Answer 10

C) 14 1/2”