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joachimngeny

  • one year ago

A pipe 19 m long and of radius r = 9 cm is to be coated by insulation material to a thickness of δr = 8 mm. Approximate the volume δV of insulation material required in m3. Please use Pi for π (rather than a decimal approximation) in your answer. Insulation volume (m3): ?

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  1. anonymous
    • one year ago
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    |dw:1443170693245:dw|

  2. steve816
    • one year ago
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    Wow, amazing drawing!

  3. anonymous
    • one year ago
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    thanks!

  4. joachimngeny
    • one year ago
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    is that SR (thickness x Radius) or SV (thickness)?

  5. anonymous
    • one year ago
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    in the equation?

  6. anonymous
    • one year ago
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    basically the volume of the insulation is the volume of the whole minus the volume of the pipe

  7. joachimngeny
    • one year ago
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    thanks i got it using \[\frac{ dv }{ dr }.thickness\]

  8. joachimngeny
    • one year ago
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    great drawing btw

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