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Welding Math Formulas > Memorizing Formulas And Measurements > Flashcards

Memorizing Formulas And Measurements Flashcards

0
Q

What is the formula for finding the area of a rectangle?

A

A= lw

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1
Q

What is the formula to find the perimeter of a rectangle?

A

P= 2l + 2w

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2
Q

What is the formula to find the perimeter if a triangle?

A

P= a + b + c

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3
Q

What is the formula to find the area of a triangle?

A

A = 1/2bh

OR

A= bh/2

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4
Q

What is the formula to find the perimeter of a trapezoid?

A

P= a + b + c + B

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5
Q

What is the formula to find the area of a trapezoid?

A

A= h (B + b)/2

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6
Q

What is the formula to find the perimeter of a parallelogram?

A

P = 2a + 2 b

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7
Q

What is the formula to find the area of a parallelogram?

A

A = bh

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8
Q

What is the formula to find the circumference of a circle?

A

C = pie x d

Or

C = 2 x pie x r

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9
Q

What is the formula to find the area of a circle?

A

A = pie x r2

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10
Q

What is the formula for volume of a rectangular solid?

A

V = lwh

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11
Q

What is the formula of surface area of a rectangular solid?

A

SA = 2lh + 2lw + 2wh

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12
Q

What is the formula to find arc length?

A

Arc length = n/360 x pie x d

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13
Q

What is the formula to find volume of a circular cylinder?

A

V = pie x r2 x h

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14
Q

What is the formula to find the lateral surface area (wall structure)?

A

LSA = pie x d x h

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15
Q

What is the formula to find the total surface area?

A

TSA = ( pie x d x h) + ( 2 x pie x r2)

16
Q

How many inches are in 1 foot?

A

12 inches

17
Q

How many inches in 1ft2?

A

144 in2

18
Q

How many inches in 1 ft3?

A

1728 in3

19
Q

How many mm in 1 inch?

A

25.40 mm

20
Q

How many centimetres in 1 inch?

A

2.54 cm

21
Q

What is the chart for determining Gig to Nano?

A

G M K H D M / L / G D C M M N
Giga/mega/kilo/hecto/deca/meter/litre/gram/deci/centi/milli/micro/nan

22
Q

What does BEDMAS stand for?

A 
Order of operation
Brackets
Exponents
Divide
Multiply
Add
Subtract
23
Q

1 imperial gallon = how many inches3?

A

1 imp gal = 277 in3

24
Q

1 ft3 = how many gallons?

A

1 ft3 = 6.239 gal

25
Q

Volume x 7.848 g/cm3 =

A

Weight in grams

26
Q

Volume x 0.2835 lb/in3=

A

Weight in lbs

27
Q

1 yd = 3 ft = ___in

A

1 yd = 3 ft = 36 in

28
Q

1 litre = _____ml

A

1 litre = 1000ml

Welding Math Formulas (1 decks)

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