math final Flashcards
1
Q
What is the code max stair rise?
A
200mm
2
Q
what is the code min. stair run? (private and public)
A
210 private, 230 public
3
Q
what is the minimum headroom clearance by code? (private and public)
A
1950 private, 2050 public
4
Q
which class of lever gives the greatest mechanical advantage?
A
class 2
5
Q
example of a class 1 lever?
A
seesaw
6
Q
example of a class 2 lever?
A
wheelbarrow
7
Q
example of a class 3 lever?
A
fishing rod
8
Q
how many cubic inches in 1 board foot?
A
144
9
Q
how many liters in 1 cubic meter?
A
1000L
10
Q
what is the formula for rim speed?
A
Pi x D x RPM / 60
11
Q
what is the formula for RPM?
A
rim speed x 60 / circumference (pi x D)
12
Q
what is the formula for KMPI?
A
knives x RPM / feed rate in inches
