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The highest thermal diffusivity is of

This question belongs to Mechanical Engineering Heat And Mass Transfer
Heat and Mass Transfer
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The highest thermal diffusivity is of

Answer & Solution
Correct Answer: Option B
Thermal diffusivity is the thermal conductivity of the material divided by the product of density and specific heat capacity, at constant pressure. The highest thermal diffusivity is of Lead
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Swagat Nayak
Swagat Nayak 7 years ago
For iron:

Thermal difference = k/(den*heat cap) = 46.33/(.26*.12) = 1484.93.

For lead:

Thermal diff = k/(den*heat cap) = 20.39/(.41*.032) = 1554.12.

HENCE LEAD is correct answer.
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