Question

Thickness of stock does not affect the fuel economy of furnaces, if the material to be heated is of

a.

low emissivity

b.

high thermal conductivity

c.

both (a) and (b)

d.

neither (a) nor (b)

Answer: (c).both (a) and (b)

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Q. Thickness of stock does not affect the fuel economy of furnaces, if the material to be heated is of

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