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math final Flashcards

(12 cards)

1
Q

What is the code max stair rise?

A

200mm

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2
Q

what is the code min. stair run? (private and public)

A

210 private, 230 public

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3
Q

what is the minimum headroom clearance by code? (private and public)

A

1950 private, 2050 public

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4
Q

which class of lever gives the greatest mechanical advantage?

A

class 2

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5
Q

example of a class 1 lever?

A

seesaw

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6
Q

example of a class 2 lever?

A

wheelbarrow

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7
Q

example of a class 3 lever?

A

fishing rod

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8
Q

how many cubic inches in 1 board foot?

A

144

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9
Q

how many liters in 1 cubic meter?

A

1000L

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10
Q

what is the formula for rim speed?

A

Pi x D x RPM / 60

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11
Q

what is the formula for RPM?

A

rim speed x 60 / circumference (pi x D)

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12
Q

what is the formula for KMPI?

A

knives x RPM / feed rate in inches

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