A 10 mm diameter electrical conductor is covered by an insulation of 2 mm thickness. The conductivity of the insulation is 0.08 W/m-K and the convection coefficient at the insulation surface is 10 W/m2-K. Addition of further insulation of the same material will

decrease heat loss to a minimum and then increase heat loss

increase heat loss continuously

decrease heat loss continuously

increase heat loss to a maximum and then decrease heat loss

A 10 mm diameter electrical conductor is covered by an insulation of 2

1.	A 10 mm diameter electrical conductor is covered by an insulation of 2 mm thickness. The conductivity of the insulation is 0.08 W/m-K and the convection coefficient at the insulation surface is 10 W/m2-K. Addition of further insulation of the same material will
A.	increase heat loss continuously
B.	decrease heat loss continuously
C.	increase heat loss to a maximum and then decrease heat loss
D.	decrease heat loss to a minimum and then increase heat loss
Answer» D. decrease heat loss to a minimum and then increase heat loss

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A 10 mm diameter electrical conductor is covered by an insulation of 2 mm thickness. The conductivity of the insulation is 0.08 W/m-K and the convection coefficient at the insulation surface is 10 W/m2-K. Addition of further insulation of the same material will

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