CORRECT ANSWERS
Question 1
What are 3 rules for laying out stairs?
Correct Answer
1. The product obtained by multiplying one rise height by the tread 2. the sum of
two risers is always the same 3. the sum of one riser and one tread should be
between 17 & 18 inches
Question 2
riser maximum height by code
Correct Answer
7 3/4" / 7.75 "
Question 3
When setting forms to a string what does the string represent
Correct Answer
string represent the concrete edge and the elevation
Question 4
Which is not a rule for laying out stairs?
Correct Answer
b. The sum of two risers is always the same.
Page 1 of 37
,Question 5
batter boards
Correct Answer
The horizontal boards nailed to corner post to assist in the accurate layout of
foundation and excavation lines
Question 6
Are positioning lanyards used only as fall restraint devices and may not be used as fall
arrest devices?
Correct Answer
true
Question 7
max rise
Correct Answer
7 3/4" or 7/75
Question 8
tread
Correct Answer
the part of the stair you walk on
Page 2 of 37
,Question 9
soffit
Correct Answer
the underside of an architectural structure such as an arch, a balcony, or
overhanging eaves.
Question 10
framing square
Correct Answer
blade vs tongue
Question 11
stairwell
Correct Answer
floor opening that the stair system passes through
Question 12
speed square
Correct Answer
A trianglular marking tool containing both 90 and 45 degree angles. It has a flange
on one side so you can "square" it against the material.
Page 3 of 37
, Question 13
MSDS
Correct Answer
Material Safety Data Sheet; contains information on the possible health effects of
exposure to chemicals
Question 14
hydration
Correct Answer
when concrete hardens - caused by a chemical reaction between water and cement
Question 15
6-8-10 method
Correct Answer
To get a perfectly square corner, you want to aim for a measurement ratio of 3:4:5.
In other words, you want a three-foot length on your straight line, a four-foot
length on your perpendicular line, and a five-foot length across. If all three
measurements are correct, you'll have a perfectly square corner.Apr 14, 2020
Question 16
when a lockout is performed, the key to the lock is
Correct Answer
kept by the person who applied the tag
Page 4 of 37