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Engineering

1 answer:

IrinaK [193]3 years ago

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Answer:

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δL = L∝L + δT ----(2)

we have δL = 12.5x10⁻⁶

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δT = 115°c - 15°c = 100°c

putting these values into equation 1, we have

δL = 200*12.5X10⁻⁶x100

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L₂ = 200.25mm

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kati45 [8]

Answer:

$X_B = 1.8 \times 10^{-3} m = 1.8 mm$

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Given data:

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location on which nitrogen concentration is 0.5 kg/m^3 ......?

from fick's first law

$J = D \frac{C_A C_B}{X_A X_B}$

Take C_A as point on which nitrogen concentration is 2 kg/m^3

$x_B = X_A + D\frac{C_A -C_B}{J}$

Assume X_A is zero at the surface

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