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In an aggregate mix the proportions of coarse aggregate, fine aggregate and mineral filler are 55%, 40% and 5%, respectively. The values of bulk specific gravity of the coarse aggregate, fine aggregate and mineral filler are 2.55, 2.65 and 2.70, respectively. The bulk specific gravity of the aggregate mix (round off to two decimal places) is __________.
    Correct answer is '2.57'. Can you explain this answer?
    Most Upvoted Answer
    In an aggregate mix the proportions of coarse aggregate, fine aggrega...
    Bulk specific gravity = weight/volume
    =
    =
    = 1/0.389
    Bulk specific gravity (Gm) = 2.57
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    Community Answer
    In an aggregate mix the proportions of coarse aggregate, fine aggrega...
    Given data:
    - Proportions of coarse aggregate, fine aggregate, and mineral filler: 55%, 40%, and 5% respectively.
    - Bulk specific gravity of coarse aggregate: 2.55
    - Bulk specific gravity of fine aggregate: 2.65
    - Bulk specific gravity of mineral filler: 2.70

    Calculations:
    To find the bulk specific gravity of the aggregate mix, we need to calculate the weighted average of the individual specific gravities of the components.

    Step 1: Calculate the specific gravity of each component
    - Specific gravity of coarse aggregate = 2.55
    - Specific gravity of fine aggregate = 2.65
    - Specific gravity of mineral filler = 2.70

    Step 2: Calculate the weighted average
    To calculate the weighted average, we multiply the specific gravity of each component by its proportion and sum them up.

    Weighted average = (Specific gravity of coarse aggregate * Proportion of coarse aggregate) + (Specific gravity of fine aggregate * Proportion of fine aggregate) + (Specific gravity of mineral filler * Proportion of mineral filler)

    Weighted average = (2.55 * 55%) + (2.65 * 40%) + (2.70 * 5%)

    Weighted average = (1.4025) + (1.06) + (0.135)

    Weighted average = 2.5975

    Answer:
    The bulk specific gravity of the aggregate mix is 2.60 (rounded off to two decimal places).
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    In an aggregate mix the proportions of coarse aggregate, fine aggregate and mineral filler are 55%, 40% and 5%, respectively. The values of bulk specific gravity of the coarse aggregate, fine aggregate and mineral filler are 2.55, 2.65 and 2.70, respectively. The bulk specific gravity of the aggregate mix (round off to two decimal places) is __________.Correct answer is '2.57'. Can you explain this answer?
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