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