From Steam Plant Operation, Eighth Edition

1. Fractional equivalents

1/4 = 0.25

1/8 = 0.125

1/16 = 0.0625

2/4 = 0.50

3/8 = 0.375

3/16 = 0.1875

3/4 = 0.75

5/8 = 0.625

5/16 = 0.3125

7/8 = 0.875

7/16 = 0.4375

9/16 = 0.5625

11/16 = 0.6875

13/16 = 0.8125

15/16 = 0.9375

2. Area of a rectangle

where <i class="emphasis">A</i> = height<i class="emphasis">      B</i> = width

3. Volume of a rectangular solid

where <i class="emphasis">A</i> = height<i class="emphasis">      B</i> = width<i class="emphasis">      C</i> = depth

4. Circumference and area of a circle

where ?(pi) = 3.1416<i class="emphasis">      D </i>= diameter<i class="emphasis">      r </i>= radius

5. Surface and volume of a cylinder

where <i class="emphasis">D</i> = diameter<i class="emphasis">      H</i> = height

6. Area of a ring

where <i class="emphasis">D</i> = diameter of outer ring<i class="emphasis">      d</i> = diameter of inner ring
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