Thermal conductivity of a material may be defined as the
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The concept of overall coefficient of heat transfer is used in heat transfer problems of
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Thermal conductivity of air with rise in temperature
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Temperature of steam at around 540°C can be measured by
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Thermal conductivity of water in general with rise in temperature
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Which of the following is a case of steady state heat transfer?
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Pick up the wrong case. Heat flowing from one side to other depends directly on
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Depending on the radiating properties, body will be transparent when
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If the temperature of a solid surface changes form 27°C to 627°C, then its emissive power changes in the ratio of
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Planck's law holds good for
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Absorptivity of a body will be equal to its emissivity
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The emissive power of a body depends upon its
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